<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="generator" content="rustdoc"> <meta name="description" content="Source to the Rust file `/home/jule/.cargo/registry/src/github.com-1ecc6299db9ec823/chrono-0.2.25/src/format/parsed.rs`."> <meta name="keywords" content="rust, rustlang, rust-lang"> <title>parsed.rs.html -- source</title> <link rel="stylesheet" type="text/css" href="../../../normalize.css"> <link rel="stylesheet" type="text/css" href="../../../rustdoc.css"> <link rel="stylesheet" type="text/css" href="../../../main.css"> </head> <body class="rustdoc source"> <!--[if lte IE 8]> <div class="warning"> This old browser is unsupported and will most likely display funky things. </div> <![endif]--> <nav class="sidebar"> </nav> <nav class="sub"> <form class="search-form js-only"> <div class="search-container"> <input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"> </div> </form> </nav> <section id='main' class="content"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 5</span> <span id="6"> 6</span> <span id="7"> 7</span> <span id="8"> 8</span> <span id="9"> 9</span> <span id="10"> 10</span> <span id="11"> 11</span> <span id="12"> 12</span> <span id="13"> 13</span> <span id="14"> 14</span> <span id="15"> 15</span> <span id="16"> 16</span> <span id="17"> 17</span> <span id="18"> 18</span> <span id="19"> 19</span> <span id="20"> 20</span> <span id="21"> 21</span> <span id="22"> 22</span> <span id="23"> 23</span> <span id="24"> 24</span> <span id="25"> 25</span> <span id="26"> 26</span> <span id="27"> 27</span> <span id="28"> 28</span> <span id="29"> 29</span> <span id="30"> 30</span> <span id="31"> 31</span> <span id="32"> 32</span> <span id="33"> 33</span> <span id="34"> 34</span> <span id="35"> 35</span> <span id="36"> 36</span> <span id="37"> 37</span> <span id="38"> 38</span> <span id="39"> 39</span> <span id="40"> 40</span> <span id="41"> 41</span> <span id="42"> 42</span> <span id="43"> 43</span> <span id="44"> 44</span> <span id="45"> 45</span> <span id="46"> 46</span> <span id="47"> 47</span> <span id="48"> 48</span> <span id="49"> 49</span> <span id="50"> 50</span> <span id="51"> 51</span> <span id="52"> 52</span> <span id="53"> 53</span> <span id="54"> 54</span> <span id="55"> 55</span> <span id="56"> 56</span> <span id="57"> 57</span> <span id="58"> 58</span> <span id="59"> 59</span> <span id="60"> 60</span> <span id="61"> 61</span> <span id="62"> 62</span> <span id="63"> 63</span> <span id="64"> 64</span> <span id="65"> 65</span> <span id="66"> 66</span> <span id="67"> 67</span> <span id="68"> 68</span> <span id="69"> 69</span> <span id="70"> 70</span> <span id="71"> 71</span> <span id="72"> 72</span> <span id="73"> 73</span> <span id="74"> 74</span> <span id="75"> 75</span> <span id="76"> 76</span> <span id="77"> 77</span> <span id="78"> 78</span> <span id="79"> 79</span> <span id="80"> 80</span> <span id="81"> 81</span> <span id="82"> 82</span> <span id="83"> 83</span> <span id="84"> 84</span> <span id="85"> 85</span> <span id="86"> 86</span> <span id="87"> 87</span> <span id="88"> 88</span> <span id="89"> 89</span> <span id="90"> 90</span> <span id="91"> 91</span> <span id="92"> 92</span> <span id="93"> 93</span> <span id="94"> 94</span> <span id="95"> 95</span> <span id="96"> 96</span> <span id="97"> 97</span> <span id="98"> 98</span> <span id="99"> 99</span> <span id="100"> 100</span> <span id="101"> 101</span> <span id="102"> 102</span> <span id="103"> 103</span> <span id="104"> 104</span> <span id="105"> 105</span> <span id="106"> 106</span> <span id="107"> 107</span> <span id="108"> 108</span> <span id="109"> 109</span> <span id="110"> 110</span> <span id="111"> 111</span> <span id="112"> 112</span> <span id="113"> 113</span> <span id="114"> 114</span> <span id="115"> 115</span> <span id="116"> 116</span> <span id="117"> 117</span> <span id="118"> 118</span> <span id="119"> 119</span> <span id="120"> 120</span> <span id="121"> 121</span> <span id="122"> 122</span> <span id="123"> 123</span> <span id="124"> 124</span> <span id="125"> 125</span> <span id="126"> 126</span> <span id="127"> 127</span> <span id="128"> 128</span> <span id="129"> 129</span> <span id="130"> 130</span> <span id="131"> 131</span> <span id="132"> 132</span> <span id="133"> 133</span> <span id="134"> 134</span> <span id="135"> 135</span> <span id="136"> 136</span> <span id="137"> 137</span> <span id="138"> 138</span> <span id="139"> 139</span> <span id="140"> 140</span> <span id="141"> 141</span> <span id="142"> 142</span> <span id="143"> 143</span> <span id="144"> 144</span> <span id="145"> 145</span> <span id="146"> 146</span> <span id="147"> 147</span> <span id="148"> 148</span> <span id="149"> 149</span> <span id="150"> 150</span> <span id="151"> 151</span> <span id="152"> 152</span> <span id="153"> 153</span> <span id="154"> 154</span> <span id="155"> 155</span> <span id="156"> 156</span> <span id="157"> 157</span> <span id="158"> 158</span> <span id="159"> 159</span> <span id="160"> 160</span> <span id="161"> 161</span> <span id="162"> 162</span> <span id="163"> 163</span> <span id="164"> 164</span> <span id="165"> 165</span> <span id="166"> 166</span> <span id="167"> 167</span> <span id="168"> 168</span> <span id="169"> 169</span> <span id="170"> 170</span> <span id="171"> 171</span> <span id="172"> 172</span> <span id="173"> 173</span> <span id="174"> 174</span> <span id="175"> 175</span> <span id="176"> 176</span> <span id="177"> 177</span> <span id="178"> 178</span> <span id="179"> 179</span> <span id="180"> 180</span> <span id="181"> 181</span> <span id="182"> 182</span> <span id="183"> 183</span> <span id="184"> 184</span> <span id="185"> 185</span> <span id="186"> 186</span> <span id="187"> 187</span> <span id="188"> 188</span> <span id="189"> 189</span> <span id="190"> 190</span> <span id="191"> 191</span> <span id="192"> 192</span> <span id="193"> 193</span> <span id="194"> 194</span> <span id="195"> 195</span> <span id="196"> 196</span> <span id="197"> 197</span> <span id="198"> 198</span> <span id="199"> 199</span> <span id="200"> 200</span> <span id="201"> 201</span> <span id="202"> 202</span> <span id="203"> 203</span> <span id="204"> 204</span> <span id="205"> 205</span> <span id="206"> 206</span> <span id="207"> 207</span> <span id="208"> 208</span> <span id="209"> 209</span> <span id="210"> 210</span> <span id="211"> 211</span> <span id="212"> 212</span> <span id="213"> 213</span> <span id="214"> 214</span> <span id="215"> 215</span> <span id="216"> 216</span> <span id="217"> 217</span> <span id="218"> 218</span> <span id="219"> 219</span> <span id="220"> 220</span> <span id="221"> 221</span> <span id="222"> 222</span> <span id="223"> 223</span> <span id="224"> 224</span> <span id="225"> 225</span> <span id="226"> 226</span> <span id="227"> 227</span> <span id="228"> 228</span> <span id="229"> 229</span> <span id="230"> 230</span> <span id="231"> 231</span> <span id="232"> 232</span> <span id="233"> 233</span> <span id="234"> 234</span> <span id="235"> 235</span> <span id="236"> 236</span> <span id="237"> 237</span> <span id="238"> 238</span> <span id="239"> 239</span> <span id="240"> 240</span> <span id="241"> 241</span> <span id="242"> 242</span> <span id="243"> 243</span> <span id="244"> 244</span> <span id="245"> 245</span> <span id="246"> 246</span> <span id="247"> 247</span> <span id="248"> 248</span> <span id="249"> 249</span> <span id="250"> 250</span> <span id="251"> 251</span> <span id="252"> 252</span> <span id="253"> 253</span> <span id="254"> 254</span> <span id="255"> 255</span> <span id="256"> 256</span> <span id="257"> 257</span> <span id="258"> 258</span> <span id="259"> 259</span> <span id="260"> 260</span> <span id="261"> 261</span> <span id="262"> 262</span> <span id="263"> 263</span> <span id="264"> 264</span> <span id="265"> 265</span> <span id="266"> 266</span> <span id="267"> 267</span> <span id="268"> 268</span> <span id="269"> 269</span> <span id="270"> 270</span> <span id="271"> 271</span> <span id="272"> 272</span> <span id="273"> 273</span> <span id="274"> 274</span> <span id="275"> 275</span> <span id="276"> 276</span> <span id="277"> 277</span> <span id="278"> 278</span> <span id="279"> 279</span> <span id="280"> 280</span> <span id="281"> 281</span> <span id="282"> 282</span> <span id="283"> 283</span> <span id="284"> 284</span> <span id="285"> 285</span> <span id="286"> 286</span> <span id="287"> 287</span> <span id="288"> 288</span> <span id="289"> 289</span> <span id="290"> 290</span> <span id="291"> 291</span> <span id="292"> 292</span> <span id="293"> 293</span> <span id="294"> 294</span> <span id="295"> 295</span> <span id="296"> 296</span> <span id="297"> 297</span> <span id="298"> 298</span> <span id="299"> 299</span> <span id="300"> 300</span> <span id="301"> 301</span> <span id="302"> 302</span> <span id="303"> 303</span> <span id="304"> 304</span> <span id="305"> 305</span> <span id="306"> 306</span> <span id="307"> 307</span> <span id="308"> 308</span> <span id="309"> 309</span> <span id="310"> 310</span> <span id="311"> 311</span> <span id="312"> 312</span> <span id="313"> 313</span> <span id="314"> 314</span> <span id="315"> 315</span> <span id="316"> 316</span> <span id="317"> 317</span> <span id="318"> 318</span> <span id="319"> 319</span> <span id="320"> 320</span> <span id="321"> 321</span> <span id="322"> 322</span> <span id="323"> 323</span> <span id="324"> 324</span> <span id="325"> 325</span> <span id="326"> 326</span> <span id="327"> 327</span> <span id="328"> 328</span> <span id="329"> 329</span> <span id="330"> 330</span> <span id="331"> 331</span> <span id="332"> 332</span> <span id="333"> 333</span> <span id="334"> 334</span> <span id="335"> 335</span> <span id="336"> 336</span> <span id="337"> 337</span> <span id="338"> 338</span> <span id="339"> 339</span> <span id="340"> 340</span> <span id="341"> 341</span> <span id="342"> 342</span> <span id="343"> 343</span> <span id="344"> 344</span> <span id="345"> 345</span> <span id="346"> 346</span> <span id="347"> 347</span> <span id="348"> 348</span> <span id="349"> 349</span> <span id="350"> 350</span> <span id="351"> 351</span> <span id="352"> 352</span> <span id="353"> 353</span> <span id="354"> 354</span> <span id="355"> 355</span> <span id="356"> 356</span> <span id="357"> 357</span> <span id="358"> 358</span> <span id="359"> 359</span> <span id="360"> 360</span> <span id="361"> 361</span> <span id="362"> 362</span> <span id="363"> 363</span> <span id="364"> 364</span> <span id="365"> 365</span> <span id="366"> 366</span> <span id="367"> 367</span> <span id="368"> 368</span> <span id="369"> 369</span> <span id="370"> 370</span> <span id="371"> 371</span> <span id="372"> 372</span> <span id="373"> 373</span> <span id="374"> 374</span> <span id="375"> 375</span> <span id="376"> 376</span> <span id="377"> 377</span> <span id="378"> 378</span> <span id="379"> 379</span> <span id="380"> 380</span> <span id="381"> 381</span> <span id="382"> 382</span> <span id="383"> 383</span> <span id="384"> 384</span> <span id="385"> 385</span> <span id="386"> 386</span> <span id="387"> 387</span> <span id="388"> 388</span> <span id="389"> 389</span> <span id="390"> 390</span> <span id="391"> 391</span> <span id="392"> 392</span> <span id="393"> 393</span> <span id="394"> 394</span> <span id="395"> 395</span> <span id="396"> 396</span> <span id="397"> 397</span> <span id="398"> 398</span> <span id="399"> 399</span> <span id="400"> 400</span> <span id="401"> 401</span> <span id="402"> 402</span> <span id="403"> 403</span> <span id="404"> 404</span> <span id="405"> 405</span> <span id="406"> 406</span> <span id="407"> 407</span> <span id="408"> 408</span> <span id="409"> 409</span> <span id="410"> 410</span> <span id="411"> 411</span> <span id="412"> 412</span> <span id="413"> 413</span> <span id="414"> 414</span> <span id="415"> 415</span> <span id="416"> 416</span> <span id="417"> 417</span> <span id="418"> 418</span> <span id="419"> 419</span> <span id="420"> 420</span> <span id="421"> 421</span> <span id="422"> 422</span> <span id="423"> 423</span> <span id="424"> 424</span> <span id="425"> 425</span> <span id="426"> 426</span> <span id="427"> 427</span> <span id="428"> 428</span> <span id="429"> 429</span> <span id="430"> 430</span> <span id="431"> 431</span> <span id="432"> 432</span> <span id="433"> 433</span> <span id="434"> 434</span> <span id="435"> 435</span> <span id="436"> 436</span> <span id="437"> 437</span> <span id="438"> 438</span> <span id="439"> 439</span> <span id="440"> 440</span> <span id="441"> 441</span> <span id="442"> 442</span> <span id="443"> 443</span> <span id="444"> 444</span> <span id="445"> 445</span> <span id="446"> 446</span> <span id="447"> 447</span> <span id="448"> 448</span> <span id="449"> 449</span> <span id="450"> 450</span> <span id="451"> 451</span> <span id="452"> 452</span> <span id="453"> 453</span> <span id="454"> 454</span> <span id="455"> 455</span> <span id="456"> 456</span> <span id="457"> 457</span> <span id="458"> 458</span> <span id="459"> 459</span> <span id="460"> 460</span> <span id="461"> 461</span> <span id="462"> 462</span> <span id="463"> 463</span> <span id="464"> 464</span> <span id="465"> 465</span> <span id="466"> 466</span> <span id="467"> 467</span> <span id="468"> 468</span> <span id="469"> 469</span> <span id="470"> 470</span> <span id="471"> 471</span> <span id="472"> 472</span> <span id="473"> 473</span> <span id="474"> 474</span> <span id="475"> 475</span> <span id="476"> 476</span> <span id="477"> 477</span> <span id="478"> 478</span> <span id="479"> 479</span> <span id="480"> 480</span> <span id="481"> 481</span> <span id="482"> 482</span> <span id="483"> 483</span> <span id="484"> 484</span> <span id="485"> 485</span> <span id="486"> 486</span> <span id="487"> 487</span> <span id="488"> 488</span> <span id="489"> 489</span> <span id="490"> 490</span> <span id="491"> 491</span> <span id="492"> 492</span> <span id="493"> 493</span> <span id="494"> 494</span> <span id="495"> 495</span> <span id="496"> 496</span> <span id="497"> 497</span> <span id="498"> 498</span> <span id="499"> 499</span> <span id="500"> 500</span> <span id="501"> 501</span> <span id="502"> 502</span> <span id="503"> 503</span> <span id="504"> 504</span> <span id="505"> 505</span> <span id="506"> 506</span> <span id="507"> 507</span> <span id="508"> 508</span> <span id="509"> 509</span> <span id="510"> 510</span> <span id="511"> 511</span> <span id="512"> 512</span> <span id="513"> 513</span> <span id="514"> 514</span> <span id="515"> 515</span> <span id="516"> 516</span> <span id="517"> 517</span> <span id="518"> 518</span> <span id="519"> 519</span> <span id="520"> 520</span> <span id="521"> 521</span> <span id="522"> 522</span> <span id="523"> 523</span> <span id="524"> 524</span> <span id="525"> 525</span> <span id="526"> 526</span> <span id="527"> 527</span> <span id="528"> 528</span> <span id="529"> 529</span> <span id="530"> 530</span> <span id="531"> 531</span> <span id="532"> 532</span> <span id="533"> 533</span> <span id="534"> 534</span> <span id="535"> 535</span> <span id="536"> 536</span> <span id="537"> 537</span> <span id="538"> 538</span> <span id="539"> 539</span> <span id="540"> 540</span> <span id="541"> 541</span> <span id="542"> 542</span> <span id="543"> 543</span> <span id="544"> 544</span> <span id="545"> 545</span> <span id="546"> 546</span> <span id="547"> 547</span> <span id="548"> 548</span> <span id="549"> 549</span> <span id="550"> 550</span> <span id="551"> 551</span> <span id="552"> 552</span> <span id="553"> 553</span> <span id="554"> 554</span> <span id="555"> 555</span> <span id="556"> 556</span> <span id="557"> 557</span> <span id="558"> 558</span> <span id="559"> 559</span> <span id="560"> 560</span> <span id="561"> 561</span> <span id="562"> 562</span> <span id="563"> 563</span> <span id="564"> 564</span> <span id="565"> 565</span> <span id="566"> 566</span> <span id="567"> 567</span> <span id="568"> 568</span> <span id="569"> 569</span> <span id="570"> 570</span> <span id="571"> 571</span> <span id="572"> 572</span> <span id="573"> 573</span> <span id="574"> 574</span> <span id="575"> 575</span> <span id="576"> 576</span> <span id="577"> 577</span> <span id="578"> 578</span> <span id="579"> 579</span> <span id="580"> 580</span> <span id="581"> 581</span> <span id="582"> 582</span> <span id="583"> 583</span> <span id="584"> 584</span> <span id="585"> 585</span> <span id="586"> 586</span> <span id="587"> 587</span> <span id="588"> 588</span> <span id="589"> 589</span> <span id="590"> 590</span> <span id="591"> 591</span> <span id="592"> 592</span> <span id="593"> 593</span> <span id="594"> 594</span> <span id="595"> 595</span> <span id="596"> 596</span> <span id="597"> 597</span> <span id="598"> 598</span> <span id="599"> 599</span> <span id="600"> 600</span> <span id="601"> 601</span> <span id="602"> 602</span> <span id="603"> 603</span> <span id="604"> 604</span> <span id="605"> 605</span> <span id="606"> 606</span> <span id="607"> 607</span> <span id="608"> 608</span> <span id="609"> 609</span> <span id="610"> 610</span> <span id="611"> 611</span> <span id="612"> 612</span> <span id="613"> 613</span> <span id="614"> 614</span> <span id="615"> 615</span> <span id="616"> 616</span> <span id="617"> 617</span> <span id="618"> 618</span> <span id="619"> 619</span> <span id="620"> 620</span> <span id="621"> 621</span> <span id="622"> 622</span> <span id="623"> 623</span> <span id="624"> 624</span> <span id="625"> 625</span> <span id="626"> 626</span> <span id="627"> 627</span> <span id="628"> 628</span> <span id="629"> 629</span> <span id="630"> 630</span> <span id="631"> 631</span> <span id="632"> 632</span> <span id="633"> 633</span> <span id="634"> 634</span> <span id="635"> 635</span> <span id="636"> 636</span> <span id="637"> 637</span> <span id="638"> 638</span> <span id="639"> 639</span> <span id="640"> 640</span> <span id="641"> 641</span> <span id="642"> 642</span> <span id="643"> 643</span> <span id="644"> 644</span> <span id="645"> 645</span> <span id="646"> 646</span> <span id="647"> 647</span> <span id="648"> 648</span> <span id="649"> 649</span> <span id="650"> 650</span> <span id="651"> 651</span> <span id="652"> 652</span> <span id="653"> 653</span> <span id="654"> 654</span> <span id="655"> 655</span> <span id="656"> 656</span> <span id="657"> 657</span> <span id="658"> 658</span> <span id="659"> 659</span> <span id="660"> 660</span> <span id="661"> 661</span> <span id="662"> 662</span> <span id="663"> 663</span> <span id="664"> 664</span> <span id="665"> 665</span> <span id="666"> 666</span> <span id="667"> 667</span> <span id="668"> 668</span> <span id="669"> 669</span> <span id="670"> 670</span> <span id="671"> 671</span> <span id="672"> 672</span> <span id="673"> 673</span> <span id="674"> 674</span> <span id="675"> 675</span> <span id="676"> 676</span> <span id="677"> 677</span> <span id="678"> 678</span> <span id="679"> 679</span> <span id="680"> 680</span> <span id="681"> 681</span> <span id="682"> 682</span> <span id="683"> 683</span> <span id="684"> 684</span> <span id="685"> 685</span> <span id="686"> 686</span> <span id="687"> 687</span> <span id="688"> 688</span> <span id="689"> 689</span> <span id="690"> 690</span> <span id="691"> 691</span> <span id="692"> 692</span> <span id="693"> 693</span> <span id="694"> 694</span> <span id="695"> 695</span> <span id="696"> 696</span> <span id="697"> 697</span> <span id="698"> 698</span> <span id="699"> 699</span> <span id="700"> 700</span> <span id="701"> 701</span> <span id="702"> 702</span> <span id="703"> 703</span> <span id="704"> 704</span> <span id="705"> 705</span> <span id="706"> 706</span> <span id="707"> 707</span> <span id="708"> 708</span> <span id="709"> 709</span> <span id="710"> 710</span> <span id="711"> 711</span> <span id="712"> 712</span> <span id="713"> 713</span> <span id="714"> 714</span> <span id="715"> 715</span> <span id="716"> 716</span> <span id="717"> 717</span> <span id="718"> 718</span> <span id="719"> 719</span> <span id="720"> 720</span> <span id="721"> 721</span> <span id="722"> 722</span> <span id="723"> 723</span> <span id="724"> 724</span> <span id="725"> 725</span> <span id="726"> 726</span> <span id="727"> 727</span> <span id="728"> 728</span> <span id="729"> 729</span> <span id="730"> 730</span> <span id="731"> 731</span> <span id="732"> 732</span> <span id="733"> 733</span> <span id="734"> 734</span> <span id="735"> 735</span> <span id="736"> 736</span> <span id="737"> 737</span> <span id="738"> 738</span> <span id="739"> 739</span> <span id="740"> 740</span> <span id="741"> 741</span> <span id="742"> 742</span> <span id="743"> 743</span> <span id="744"> 744</span> <span id="745"> 745</span> <span id="746"> 746</span> <span id="747"> 747</span> <span id="748"> 748</span> <span id="749"> 749</span> <span id="750"> 750</span> <span id="751"> 751</span> <span id="752"> 752</span> <span id="753"> 753</span> <span id="754"> 754</span> <span id="755"> 755</span> <span id="756"> 756</span> <span id="757"> 757</span> <span id="758"> 758</span> <span id="759"> 759</span> <span id="760"> 760</span> <span id="761"> 761</span> <span id="762"> 762</span> <span id="763"> 763</span> <span id="764"> 764</span> <span id="765"> 765</span> <span id="766"> 766</span> <span id="767"> 767</span> <span id="768"> 768</span> <span id="769"> 769</span> <span id="770"> 770</span> <span id="771"> 771</span> <span id="772"> 772</span> <span id="773"> 773</span> <span id="774"> 774</span> <span id="775"> 775</span> <span id="776"> 776</span> <span id="777"> 777</span> <span id="778"> 778</span> <span id="779"> 779</span> <span id="780"> 780</span> <span id="781"> 781</span> <span id="782"> 782</span> <span id="783"> 783</span> <span id="784"> 784</span> <span id="785"> 785</span> <span id="786"> 786</span> <span id="787"> 787</span> <span id="788"> 788</span> <span id="789"> 789</span> <span id="790"> 790</span> <span id="791"> 791</span> <span id="792"> 792</span> <span id="793"> 793</span> <span id="794"> 794</span> <span id="795"> 795</span> <span id="796"> 796</span> <span id="797"> 797</span> <span id="798"> 798</span> <span id="799"> 799</span> <span id="800"> 800</span> <span id="801"> 801</span> <span id="802"> 802</span> <span id="803"> 803</span> <span id="804"> 804</span> <span id="805"> 805</span> <span id="806"> 806</span> <span id="807"> 807</span> <span id="808"> 808</span> <span id="809"> 809</span> <span id="810"> 810</span> <span id="811"> 811</span> <span id="812"> 812</span> <span id="813"> 813</span> <span id="814"> 814</span> <span id="815"> 815</span> <span id="816"> 816</span> <span id="817"> 817</span> <span id="818"> 818</span> <span id="819"> 819</span> <span id="820"> 820</span> <span id="821"> 821</span> <span id="822"> 822</span> <span id="823"> 823</span> <span id="824"> 824</span> <span id="825"> 825</span> <span id="826"> 826</span> <span id="827"> 827</span> <span id="828"> 828</span> <span id="829"> 829</span> <span id="830"> 830</span> <span id="831"> 831</span> <span id="832"> 832</span> <span id="833"> 833</span> <span id="834"> 834</span> <span id="835"> 835</span> <span id="836"> 836</span> <span id="837"> 837</span> <span id="838"> 838</span> <span id="839"> 839</span> <span id="840"> 840</span> <span id="841"> 841</span> <span id="842"> 842</span> <span id="843"> 843</span> <span id="844"> 844</span> <span id="845"> 845</span> <span id="846"> 846</span> <span id="847"> 847</span> <span id="848"> 848</span> <span id="849"> 849</span> <span id="850"> 850</span> <span id="851"> 851</span> <span id="852"> 852</span> <span id="853"> 853</span> <span id="854"> 854</span> <span id="855"> 855</span> <span id="856"> 856</span> <span id="857"> 857</span> <span id="858"> 858</span> <span id="859"> 859</span> <span id="860"> 860</span> <span id="861"> 861</span> <span id="862"> 862</span> <span id="863"> 863</span> <span id="864"> 864</span> <span id="865"> 865</span> <span id="866"> 866</span> <span id="867"> 867</span> <span id="868"> 868</span> <span id="869"> 869</span> <span id="870"> 870</span> <span id="871"> 871</span> <span id="872"> 872</span> <span id="873"> 873</span> <span id="874"> 874</span> <span id="875"> 875</span> <span id="876"> 876</span> <span id="877"> 877</span> <span id="878"> 878</span> <span id="879"> 879</span> <span id="880"> 880</span> <span id="881"> 881</span> <span id="882"> 882</span> <span id="883"> 883</span> <span id="884"> 884</span> <span id="885"> 885</span> <span id="886"> 886</span> <span id="887"> 887</span> <span id="888"> 888</span> <span id="889"> 889</span> <span id="890"> 890</span> <span id="891"> 891</span> <span id="892"> 892</span> <span id="893"> 893</span> <span id="894"> 894</span> <span id="895"> 895</span> <span id="896"> 896</span> <span id="897"> 897</span> <span id="898"> 898</span> <span id="899"> 899</span> <span id="900"> 900</span> <span id="901"> 901</span> <span id="902"> 902</span> <span id="903"> 903</span> <span id="904"> 904</span> <span id="905"> 905</span> <span id="906"> 906</span> <span id="907"> 907</span> <span id="908"> 908</span> <span id="909"> 909</span> <span id="910"> 910</span> <span id="911"> 911</span> <span id="912"> 912</span> <span id="913"> 913</span> <span id="914"> 914</span> <span id="915"> 915</span> <span id="916"> 916</span> <span id="917"> 917</span> <span id="918"> 918</span> <span id="919"> 919</span> <span id="920"> 920</span> <span id="921"> 921</span> <span id="922"> 922</span> <span id="923"> 923</span> <span id="924"> 924</span> <span id="925"> 925</span> <span id="926"> 926</span> <span id="927"> 927</span> <span id="928"> 928</span> <span id="929"> 929</span> <span id="930"> 930</span> <span id="931"> 931</span> <span id="932"> 932</span> <span id="933"> 933</span> <span id="934"> 934</span> <span id="935"> 935</span> <span id="936"> 936</span> <span id="937"> 937</span> <span id="938"> 938</span> <span id="939"> 939</span> <span id="940"> 940</span> <span id="941"> 941</span> <span id="942"> 942</span> <span id="943"> 943</span> <span id="944"> 944</span> <span id="945"> 945</span> <span id="946"> 946</span> <span id="947"> 947</span> <span id="948"> 948</span> <span id="949"> 949</span> <span id="950"> 950</span> <span id="951"> 951</span> <span id="952"> 952</span> <span id="953"> 953</span> <span id="954"> 954</span> <span id="955"> 955</span> <span id="956"> 956</span> <span id="957"> 957</span> <span id="958"> 958</span> <span id="959"> 959</span> <span id="960"> 960</span> <span id="961"> 961</span> <span id="962"> 962</span> <span id="963"> 963</span> <span id="964"> 964</span> <span id="965"> 965</span> <span id="966"> 966</span> <span id="967"> 967</span> <span id="968"> 968</span> <span id="969"> 969</span> <span id="970"> 970</span> <span id="971"> 971</span> <span id="972"> 972</span> <span id="973"> 973</span> <span id="974"> 974</span> <span id="975"> 975</span> <span id="976"> 976</span> <span id="977"> 977</span> <span id="978"> 978</span> <span id="979"> 979</span> <span id="980"> 980</span> <span id="981"> 981</span> <span id="982"> 982</span> <span id="983"> 983</span> <span id="984"> 984</span> <span id="985"> 985</span> <span id="986"> 986</span> <span id="987"> 987</span> <span id="988"> 988</span> <span id="989"> 989</span> <span id="990"> 990</span> <span id="991"> 991</span> <span id="992"> 992</span> <span id="993"> 993</span> <span id="994"> 994</span> <span id="995"> 995</span> <span id="996"> 996</span> <span id="997"> 997</span> <span id="998"> 998</span> <span id="999"> 999</span> <span id="1000">1000</span> <span id="1001">1001</span> <span id="1002">1002</span> <span id="1003">1003</span> <span id="1004">1004</span> <span id="1005">1005</span> <span id="1006">1006</span> <span id="1007">1007</span> <span id="1008">1008</span> <span id="1009">1009</span> <span id="1010">1010</span> <span id="1011">1011</span> <span id="1012">1012</span> <span id="1013">1013</span> <span id="1014">1014</span> <span id="1015">1015</span> <span id="1016">1016</span> <span id="1017">1017</span> <span id="1018">1018</span> <span id="1019">1019</span> <span id="1020">1020</span> <span id="1021">1021</span> <span id="1022">1022</span> <span id="1023">1023</span> <span id="1024">1024</span> <span id="1025">1025</span> <span id="1026">1026</span> <span id="1027">1027</span> <span id="1028">1028</span> <span id="1029">1029</span> <span id="1030">1030</span> <span id="1031">1031</span> <span id="1032">1032</span> <span id="1033">1033</span> <span id="1034">1034</span> <span id="1035">1035</span> <span id="1036">1036</span> <span id="1037">1037</span> <span id="1038">1038</span> <span id="1039">1039</span> <span id="1040">1040</span> <span id="1041">1041</span> <span id="1042">1042</span> <span id="1043">1043</span> <span id="1044">1044</span> <span id="1045">1045</span> <span id="1046">1046</span> <span id="1047">1047</span> <span id="1048">1048</span> <span id="1049">1049</span> <span id="1050">1050</span> <span id="1051">1051</span> <span id="1052">1052</span> <span id="1053">1053</span> <span id="1054">1054</span> <span id="1055">1055</span> <span id="1056">1056</span> <span id="1057">1057</span> <span id="1058">1058</span> <span id="1059">1059</span> <span id="1060">1060</span> <span id="1061">1061</span> <span id="1062">1062</span> <span id="1063">1063</span> <span id="1064">1064</span> <span id="1065">1065</span> <span id="1066">1066</span> <span id="1067">1067</span> <span id="1068">1068</span> <span id="1069">1069</span> <span id="1070">1070</span> <span id="1071">1071</span> <span id="1072">1072</span> <span id="1073">1073</span> <span id="1074">1074</span> <span id="1075">1075</span> <span id="1076">1076</span> <span id="1077">1077</span> <span id="1078">1078</span> <span id="1079">1079</span> <span id="1080">1080</span> <span id="1081">1081</span> <span id="1082">1082</span> <span id="1083">1083</span> <span id="1084">1084</span> <span id="1085">1085</span> </pre><pre class="rust "> <span class="comment">// This is a part of rust-chrono.</span> <span class="comment">// Copyright (c) 2015, Kang Seonghoon.</span> <span class="comment">// See README.md and LICENSE.txt for details.</span> <span class="doccomment">//! A collection of parsed date and time items.</span> <span class="doccomment">//! They can be constructed incrementally while being checked for consistency.</span> <span class="kw">use</span> <span class="ident">num</span>::<span class="ident">traits</span>::<span class="ident">ToPrimitive</span>; <span class="kw">use</span> {<span class="ident">Datelike</span>, <span class="ident">Timelike</span>}; <span class="kw">use</span> <span class="ident">Weekday</span>; <span class="kw">use</span> <span class="ident">div</span>::<span class="ident">div_rem</span>; <span class="kw">use</span> <span class="ident">duration</span>::<span class="ident">Duration</span>; <span class="kw">use</span> <span class="ident">offset</span>::{<span class="ident">TimeZone</span>, <span class="ident">Offset</span>, <span class="ident">LocalResult</span>}; <span class="kw">use</span> <span class="ident">offset</span>::<span class="ident">fixed</span>::<span class="ident">FixedOffset</span>; <span class="kw">use</span> <span class="ident">naive</span>::<span class="ident">date</span>::<span class="ident">NaiveDate</span>; <span class="kw">use</span> <span class="ident">naive</span>::<span class="ident">time</span>::<span class="ident">NaiveTime</span>; <span class="kw">use</span> <span class="ident">naive</span>::<span class="ident">datetime</span>::<span class="ident">NaiveDateTime</span>; <span class="kw">use</span> <span class="ident">datetime</span>::<span class="ident">DateTime</span>; <span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">ParseResult</span>, <span class="ident">OUT_OF_RANGE</span>, <span class="ident">IMPOSSIBLE</span>, <span class="ident">NOT_ENOUGH</span>}; <span class="doccomment">/// Parsed parts of date and time. There are two classes of methods:</span> <span class="doccomment">///</span> <span class="doccomment">/// - `set_*` methods try to set given field(s) while checking for the consistency.</span> <span class="doccomment">/// It may or may not check for the range constraint immediately (for efficiency reasons).</span> <span class="doccomment">///</span> <span class="doccomment">/// - `to_*` methods try to make a concrete date and time value out of set fields.</span> <span class="doccomment">/// It fully checks any remaining out-of-range conditions and inconsistent/impossible fields.</span> <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">missing_copy_implementations</span>)]</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">PartialEq</span>, <span class="ident">Debug</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Parsed</span> { <span class="doccomment">/// Year.</span> <span class="doccomment">///</span> <span class="doccomment">/// This can be negative unlike [`year_div_100`](#structfield.year_div_100)</span> <span class="doccomment">/// and [`year_mod_100`](#structfield.year_mod_100) fields.</span> <span class="kw">pub</span> <span class="ident">year</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>, <span class="doccomment">/// Year divided by 100. Implies that the year is >= 1 BCE when set.</span> <span class="doccomment">///</span> <span class="doccomment">/// Due to the common usage, if this field is missing but</span> <span class="doccomment">/// [`year_mod_100`](#structfield.year_mod_100) is present,</span> <span class="doccomment">/// it is inferred to 19 when `year_mod_100 >= 70` and 20 otherwise.</span> <span class="kw">pub</span> <span class="ident">year_div_100</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>, <span class="doccomment">/// Year modulo 100. Implies that the year is >= 1 BCE when set.</span> <span class="kw">pub</span> <span class="ident">year_mod_100</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>, <span class="doccomment">/// Year in the [ISO week date](../../naive/date/index.html#week-date).</span> <span class="doccomment">///</span> <span class="doccomment">/// This can be negative unlike [`isoyear_div_100`](#structfield.isoyear_div_100) and</span> <span class="doccomment">/// [`isoyear_mod_100`](#structfield.isoyear_mod_100) fields.</span> <span class="kw">pub</span> <span class="ident">isoyear</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>, <span class="doccomment">/// Year in the [ISO week date](../../naive/date/index.html#week-date), divided by 100.</span> <span class="doccomment">/// Implies that the year is >= 1 BCE when set.</span> <span class="doccomment">///</span> <span class="doccomment">/// Due to the common usage, if this field is missing but</span> <span class="doccomment">/// [`isoyear_mod_100`](#structfield.isoyear_mod_100) is present,</span> <span class="doccomment">/// it is inferred to 19 when `isoyear_mod_100 >= 70` and 20 otherwise.</span> <span class="kw">pub</span> <span class="ident">isoyear_div_100</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>, <span class="doccomment">/// Year in the [ISO week date](../../naive/date/index.html#week-date), modulo 100.</span> <span class="doccomment">/// Implies that the year is >= 1 BCE when set.</span> <span class="kw">pub</span> <span class="ident">isoyear_mod_100</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>, <span class="doccomment">/// Month (1--12).</span> <span class="kw">pub</span> <span class="ident">month</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// Week number, where the week 1 starts at the first Sunday of January</span> <span class="doccomment">/// (0--53, 1--53 or 1--52 depending on the year).</span> <span class="kw">pub</span> <span class="ident">week_from_sun</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// Week number, where the week 1 starts at the first Monday of January</span> <span class="doccomment">/// (0--53, 1--53 or 1--52 depending on the year).</span> <span class="kw">pub</span> <span class="ident">week_from_mon</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// [ISO week number](../../naive/date/index.html#week-date)</span> <span class="doccomment">/// (1--52 or 1--53 depending on the year).</span> <span class="kw">pub</span> <span class="ident">isoweek</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// Day of the week.</span> <span class="kw">pub</span> <span class="ident">weekday</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Weekday</span><span class="op">></span>, <span class="doccomment">/// Day of the year (1--365 or 1--366 depending on the year).</span> <span class="kw">pub</span> <span class="ident">ordinal</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// Day of the month (1--28, 1--29, 1--30 or 1--31 depending on the month).</span> <span class="kw">pub</span> <span class="ident">day</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// Hour number divided by 12 (0--1). 0 indicates AM and 1 indicates PM.</span> <span class="kw">pub</span> <span class="ident">hour_div_12</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// Hour number modulo 12 (0--11).</span> <span class="kw">pub</span> <span class="ident">hour_mod_12</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// Minute number (0--59).</span> <span class="kw">pub</span> <span class="ident">minute</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// Second number (0--60, accounting for leap seconds).</span> <span class="kw">pub</span> <span class="ident">second</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// The number of nanoseconds since the whole second (0--999,999,999).</span> <span class="kw">pub</span> <span class="ident">nanosecond</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span>, <span class="doccomment">/// The number of non-leap seconds since the midnight UTC on January 1, 1970.</span> <span class="doccomment">///</span> <span class="doccomment">/// This can be off by one if [`second`](#structfield.second) is 60 (a leap second).</span> <span class="kw">pub</span> <span class="ident">timestamp</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i64</span><span class="op">></span>, <span class="doccomment">/// Offset from the local time to UTC, in seconds.</span> <span class="kw">pub</span> <span class="ident">offset</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>, } <span class="doccomment">/// Checks if `old` is either empty or has the same value to `new` (i.e. "consistent"),</span> <span class="doccomment">/// and if it is empty, set `old` to `new` as well.</span> <span class="kw">fn</span> <span class="ident">set_if_consistent</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">PartialEq</span><span class="op">></span>(<span class="ident">old</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>, <span class="ident">new</span>: <span class="ident">T</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">old</span>) <span class="op">=</span> <span class="kw-2">*</span><span class="ident">old</span> { <span class="kw">if</span> <span class="kw-2">*</span><span class="ident">old</span> <span class="op">==</span> <span class="ident">new</span> {<span class="prelude-val">Ok</span>(())} <span class="kw">else</span> {<span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)} } <span class="kw">else</span> { <span class="kw-2">*</span><span class="ident">old</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">new</span>); <span class="prelude-val">Ok</span>(()) } } <span class="kw">impl</span> <span class="ident">Parsed</span> { <span class="doccomment">/// Returns the initial value of parsed parts.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() <span class="op">-></span> <span class="ident">Parsed</span> { <span class="ident">Parsed</span> { <span class="ident">year</span>: <span class="prelude-val">None</span>, <span class="ident">year_div_100</span>: <span class="prelude-val">None</span>, <span class="ident">year_mod_100</span>: <span class="prelude-val">None</span>, <span class="ident">isoyear</span>: <span class="prelude-val">None</span>, <span class="ident">isoyear_div_100</span>: <span class="prelude-val">None</span>, <span class="ident">isoyear_mod_100</span>: <span class="prelude-val">None</span>, <span class="ident">month</span>: <span class="prelude-val">None</span>, <span class="ident">week_from_sun</span>: <span class="prelude-val">None</span>, <span class="ident">week_from_mon</span>: <span class="prelude-val">None</span>, <span class="ident">isoweek</span>: <span class="prelude-val">None</span>, <span class="ident">weekday</span>: <span class="prelude-val">None</span>, <span class="ident">ordinal</span>: <span class="prelude-val">None</span>, <span class="ident">day</span>: <span class="prelude-val">None</span>, <span class="ident">hour_div_12</span>: <span class="prelude-val">None</span>, <span class="ident">hour_mod_12</span>: <span class="prelude-val">None</span>, <span class="ident">minute</span>: <span class="prelude-val">None</span>, <span class="ident">second</span>: <span class="prelude-val">None</span>, <span class="ident">nanosecond</span>: <span class="prelude-val">None</span>, <span class="ident">timestamp</span>: <span class="prelude-val">None</span>, <span class="ident">offset</span>: <span class="prelude-val">None</span> } } <span class="doccomment">/// Tries to set the [`year`](#structfield.year) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_year</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">year</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_i32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`year_div_100`](#structfield.year_div_100) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_year_div_100</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">if</span> <span class="ident">value</span> <span class="op"><</span> <span class="number">0</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">year_div_100</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_i32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`year_mod_100`](#structfield.year_mod_100) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_year_mod_100</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">if</span> <span class="ident">value</span> <span class="op"><</span> <span class="number">0</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">year_mod_100</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_i32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`isoyear`](#structfield.isoyear) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_isoyear</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">isoyear</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_i32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`isoyear_div_100`](#structfield.isoyear_div_100) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_isoyear_div_100</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">if</span> <span class="ident">value</span> <span class="op"><</span> <span class="number">0</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">isoyear_div_100</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_i32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`isoyear_mod_100`](#structfield.isoyear_mod_100) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_isoyear_mod_100</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">if</span> <span class="ident">value</span> <span class="op"><</span> <span class="number">0</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">isoyear_mod_100</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_i32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`month`](#structfield.month) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_month</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">month</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`week_from_sun`](#structfield.week_from_sun) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_week_from_sun</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">week_from_sun</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`week_from_mon`](#structfield.week_from_mon) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_week_from_mon</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">week_from_mon</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`isoweek`](#structfield.isoweek) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_isoweek</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">isoweek</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`weekday`](#structfield.weekday) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_weekday</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">Weekday</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">weekday</span>, <span class="ident">value</span>) } <span class="doccomment">/// Tries to set the [`ordinal`](#structfield.ordinal) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_ordinal</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">ordinal</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`day`](#structfield.day) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_day</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">day</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`hour_div_12`](#structfield.hour_div_12) field from given value.</span> <span class="doccomment">/// (`false` for AM, `true` for PM)</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_ampm</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">bool</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">hour_div_12</span>, <span class="kw">if</span> <span class="ident">value</span> {<span class="number">1</span>} <span class="kw">else</span> {<span class="number">0</span>}) } <span class="doccomment">/// Tries to set the [`hour_mod_12`](#structfield.hour_mod_12) field from</span> <span class="doccomment">/// given hour number in 12-hour clocks.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_hour12</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">if</span> <span class="ident">value</span> <span class="op"><</span> <span class="number">1</span> <span class="op">||</span> <span class="ident">value</span> <span class="op">></span> <span class="number">12</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">hour_mod_12</span>, <span class="ident">value</span> <span class="kw">as</span> <span class="ident">u32</span> <span class="op">%</span> <span class="number">12</span>) } <span class="doccomment">/// Tries to set both [`hour_div_12`](#structfield.hour_div_12) and</span> <span class="doccomment">/// [`hour_mod_12`](#structfield.hour_mod_12) fields from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_hour</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="kw">let</span> <span class="ident">v</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">try</span><span class="macro">!</span>(<span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">hour_div_12</span>, <span class="ident">v</span> <span class="op">/</span> <span class="number">12</span>)); <span class="macro">try</span><span class="macro">!</span>(<span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">hour_mod_12</span>, <span class="ident">v</span> <span class="op">%</span> <span class="number">12</span>)); <span class="prelude-val">Ok</span>(()) } <span class="doccomment">/// Tries to set the [`minute`](#structfield.minute) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_minute</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">minute</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`second`](#structfield.second) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_second</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">second</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`nanosecond`](#structfield.nanosecond) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_nanosecond</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">nanosecond</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_u32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Tries to set the [`timestamp`](#structfield.timestamp) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_timestamp</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">timestamp</span>, <span class="ident">value</span>) } <span class="doccomment">/// Tries to set the [`offset`](#structfield.offset) field from given value.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_offset</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">value</span>: <span class="ident">i64</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span>()<span class="op">></span> { <span class="ident">set_if_consistent</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">offset</span>, <span class="macro">try</span><span class="macro">!</span>(<span class="ident">value</span>.<span class="ident">to_i32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>))) } <span class="doccomment">/// Returns a parsed naive date out of given fields.</span> <span class="doccomment">///</span> <span class="doccomment">/// This method is able to determine the date from given subset of fields:</span> <span class="doccomment">///</span> <span class="doccomment">/// - Year, month, day.</span> <span class="doccomment">/// - Year, day of the year (ordinal).</span> <span class="doccomment">/// - Year, week number counted from Sunday or Monday, day of the week.</span> <span class="doccomment">/// - ISO week date.</span> <span class="doccomment">///</span> <span class="doccomment">/// Gregorian year and ISO week date year can have their century number (`*_div_100`) omitted,</span> <span class="doccomment">/// the two-digit year is used to guess the century number then.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">to_naive_date</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span><span class="ident">NaiveDate</span><span class="op">></span> { <span class="kw">fn</span> <span class="ident">resolve_year</span>(<span class="ident">y</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>, <span class="ident">q</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>, <span class="ident">r</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">></span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">i32</span><span class="op">>></span> { <span class="kw">match</span> (<span class="ident">y</span>, <span class="ident">q</span>, <span class="ident">r</span>) { <span class="comment">// if there is no further information, simply return the given full year.</span> <span class="comment">// this is a common case, so let's avoid division here.</span> (<span class="ident">y</span>, <span class="prelude-val">None</span>, <span class="prelude-val">None</span>) <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">y</span>), <span class="comment">// if there is a full year *and* also quotient and/or modulo,</span> <span class="comment">// check if present quotient and/or modulo is consistent to the full year.</span> <span class="comment">// since the presence of those fields means a positive full year,</span> <span class="comment">// we should filter a negative full year first.</span> (<span class="prelude-val">Some</span>(<span class="ident">y</span>), <span class="ident">q</span>, <span class="ident">r</span> @ <span class="prelude-val">Some</span>(<span class="number">0</span>...<span class="number">99</span>)) <span class="op">|</span> (<span class="prelude-val">Some</span>(<span class="ident">y</span>), <span class="ident">q</span>, <span class="ident">r</span> @ <span class="prelude-val">None</span>) <span class="op">=></span> { <span class="kw">if</span> <span class="ident">y</span> <span class="op"><</span> <span class="number">0</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="kw">let</span> (<span class="ident">q_</span>, <span class="ident">r_</span>) <span class="op">=</span> <span class="ident">div_rem</span>(<span class="ident">y</span>, <span class="number">100</span>); <span class="kw">if</span> <span class="ident">q</span>.<span class="ident">unwrap_or</span>(<span class="ident">q_</span>) <span class="op">==</span> <span class="ident">q_</span> <span class="op">&&</span> <span class="ident">r</span>.<span class="ident">unwrap_or</span>(<span class="ident">r_</span>) <span class="op">==</span> <span class="ident">r_</span> { <span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(<span class="ident">y</span>)) } <span class="kw">else</span> { <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>) } }, <span class="comment">// the full year is missing but we have quotient and modulo.</span> <span class="comment">// reconstruct the full year. make sure that the result is always positive.</span> (<span class="prelude-val">None</span>, <span class="prelude-val">Some</span>(<span class="ident">q</span>), <span class="prelude-val">Some</span>(<span class="ident">r</span> @ <span class="number">0</span>...<span class="number">99</span>)) <span class="op">=></span> { <span class="kw">if</span> <span class="ident">q</span> <span class="op"><</span> <span class="number">0</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="kw">let</span> <span class="ident">y</span> <span class="op">=</span> <span class="ident">q</span>.<span class="ident">checked_mul</span>(<span class="number">100</span>).<span class="ident">and_then</span>(<span class="op">|</span><span class="ident">v</span><span class="op">|</span> <span class="ident">v</span>.<span class="ident">checked_add</span>(<span class="ident">r</span>)); <span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(<span class="macro">try</span><span class="macro">!</span>(<span class="ident">y</span>.<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)))) }, <span class="comment">// we only have modulo. try to interpret a modulo as a conventional two-digit year.</span> <span class="comment">// note: we are affected by Rust issue #18060. avoid multiple range patterns.</span> (<span class="prelude-val">None</span>, <span class="prelude-val">None</span>, <span class="prelude-val">Some</span>(<span class="ident">r</span> @ <span class="number">0</span>...<span class="number">99</span>)) <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(<span class="ident">r</span> <span class="op">+</span> <span class="kw">if</span> <span class="ident">r</span> <span class="op"><</span> <span class="number">70</span> {<span class="number">2000</span>} <span class="kw">else</span> {<span class="number">1900</span>})), <span class="comment">// otherwise it is an out-of-bound or insufficient condition.</span> (<span class="prelude-val">None</span>, <span class="prelude-val">Some</span>(_), <span class="prelude-val">None</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>), (_, _, <span class="prelude-val">Some</span>(_)) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>), } } <span class="kw">let</span> <span class="ident">given_year</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">resolve_year</span>(<span class="self">self</span>.<span class="ident">year</span>, <span class="self">self</span>.<span class="ident">year_div_100</span>, <span class="self">self</span>.<span class="ident">year_mod_100</span>)); <span class="kw">let</span> <span class="ident">given_isoyear</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">resolve_year</span>(<span class="self">self</span>.<span class="ident">isoyear</span>, <span class="self">self</span>.<span class="ident">isoyear_div_100</span>, <span class="self">self</span>.<span class="ident">isoyear_mod_100</span>)); <span class="comment">// verify the normal year-month-day date.</span> <span class="kw">let</span> <span class="ident">verify_ymd</span> <span class="op">=</span> <span class="op">|</span><span class="ident">date</span>: <span class="ident">NaiveDate</span><span class="op">|</span> { <span class="kw">let</span> <span class="ident">year</span> <span class="op">=</span> <span class="ident">date</span>.<span class="ident">year</span>(); <span class="kw">let</span> (<span class="ident">year_div_100</span>, <span class="ident">year_mod_100</span>) <span class="op">=</span> <span class="kw">if</span> <span class="ident">year</span> <span class="op">>=</span> <span class="number">0</span> { <span class="kw">let</span> (<span class="ident">q</span>, <span class="ident">r</span>) <span class="op">=</span> <span class="ident">div_rem</span>(<span class="ident">year</span>, <span class="number">100</span>); (<span class="prelude-val">Some</span>(<span class="ident">q</span>), <span class="prelude-val">Some</span>(<span class="ident">r</span>)) } <span class="kw">else</span> { (<span class="prelude-val">None</span>, <span class="prelude-val">None</span>) <span class="comment">// they should be empty to be consistent</span> }; <span class="kw">let</span> <span class="ident">month</span> <span class="op">=</span> <span class="ident">date</span>.<span class="ident">month</span>(); <span class="kw">let</span> <span class="ident">day</span> <span class="op">=</span> <span class="ident">date</span>.<span class="ident">day</span>(); (<span class="self">self</span>.<span class="ident">year</span>.<span class="ident">unwrap_or</span>(<span class="ident">year</span>) <span class="op">==</span> <span class="ident">year</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">year_div_100</span>.<span class="ident">or</span>(<span class="ident">year_div_100</span>) <span class="op">==</span> <span class="ident">year_div_100</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">year_mod_100</span>.<span class="ident">or</span>(<span class="ident">year_mod_100</span>) <span class="op">==</span> <span class="ident">year_mod_100</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">month</span>.<span class="ident">unwrap_or</span>(<span class="ident">month</span>) <span class="op">==</span> <span class="ident">month</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">day</span>.<span class="ident">unwrap_or</span>(<span class="ident">day</span>) <span class="op">==</span> <span class="ident">day</span>) }; <span class="comment">// verify the ISO week date.</span> <span class="kw">let</span> <span class="ident">verify_isoweekdate</span> <span class="op">=</span> <span class="op">|</span><span class="ident">date</span>: <span class="ident">NaiveDate</span><span class="op">|</span> { <span class="kw">let</span> (<span class="ident">isoyear</span>, <span class="ident">isoweek</span>, <span class="ident">weekday</span>) <span class="op">=</span> <span class="ident">date</span>.<span class="ident">isoweekdate</span>(); <span class="kw">let</span> (<span class="ident">isoyear_div_100</span>, <span class="ident">isoyear_mod_100</span>) <span class="op">=</span> <span class="kw">if</span> <span class="ident">isoyear</span> <span class="op">>=</span> <span class="number">0</span> { <span class="kw">let</span> (<span class="ident">q</span>, <span class="ident">r</span>) <span class="op">=</span> <span class="ident">div_rem</span>(<span class="ident">isoyear</span>, <span class="number">100</span>); (<span class="prelude-val">Some</span>(<span class="ident">q</span>), <span class="prelude-val">Some</span>(<span class="ident">r</span>)) } <span class="kw">else</span> { (<span class="prelude-val">None</span>, <span class="prelude-val">None</span>) <span class="comment">// they should be empty to be consistent</span> }; (<span class="self">self</span>.<span class="ident">isoyear</span>.<span class="ident">unwrap_or</span>(<span class="ident">isoyear</span>) <span class="op">==</span> <span class="ident">isoyear</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">isoyear_div_100</span>.<span class="ident">or</span>(<span class="ident">isoyear_div_100</span>) <span class="op">==</span> <span class="ident">isoyear_div_100</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">isoyear_mod_100</span>.<span class="ident">or</span>(<span class="ident">isoyear_mod_100</span>) <span class="op">==</span> <span class="ident">isoyear_mod_100</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">isoweek</span>.<span class="ident">unwrap_or</span>(<span class="ident">isoweek</span>) <span class="op">==</span> <span class="ident">isoweek</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">weekday</span>.<span class="ident">unwrap_or</span>(<span class="ident">weekday</span>) <span class="op">==</span> <span class="ident">weekday</span>) }; <span class="comment">// verify the ordinal and other (non-ISO) week dates.</span> <span class="kw">let</span> <span class="ident">verify_ordinal</span> <span class="op">=</span> <span class="op">|</span><span class="ident">date</span>: <span class="ident">NaiveDate</span><span class="op">|</span> { <span class="kw">let</span> <span class="ident">ordinal</span> <span class="op">=</span> <span class="ident">date</span>.<span class="ident">ordinal</span>(); <span class="kw">let</span> <span class="ident">weekday</span> <span class="op">=</span> <span class="ident">date</span>.<span class="ident">weekday</span>(); <span class="kw">let</span> <span class="ident">week_from_sun</span> <span class="op">=</span> (<span class="ident">ordinal</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="ident">weekday</span>.<span class="ident">num_days_from_sunday</span>() <span class="kw">as</span> <span class="ident">i32</span> <span class="op">+</span> <span class="number">7</span>) <span class="op">/</span> <span class="number">7</span>; <span class="kw">let</span> <span class="ident">week_from_mon</span> <span class="op">=</span> (<span class="ident">ordinal</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="ident">weekday</span>.<span class="ident">num_days_from_monday</span>() <span class="kw">as</span> <span class="ident">i32</span> <span class="op">+</span> <span class="number">7</span>) <span class="op">/</span> <span class="number">7</span>; (<span class="self">self</span>.<span class="ident">ordinal</span>.<span class="ident">unwrap_or</span>(<span class="ident">ordinal</span>) <span class="op">==</span> <span class="ident">ordinal</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">week_from_sun</span>.<span class="ident">map_or</span>(<span class="ident">week_from_sun</span>, <span class="op">|</span><span class="ident">v</span><span class="op">|</span> <span class="ident">v</span> <span class="kw">as</span> <span class="ident">i32</span>) <span class="op">==</span> <span class="ident">week_from_sun</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">week_from_mon</span>.<span class="ident">map_or</span>(<span class="ident">week_from_mon</span>, <span class="op">|</span><span class="ident">v</span><span class="op">|</span> <span class="ident">v</span> <span class="kw">as</span> <span class="ident">i32</span>) <span class="op">==</span> <span class="ident">week_from_mon</span>) }; <span class="comment">// test several possibilities.</span> <span class="comment">// tries to construct a full `NaiveDate` as much as possible, then verifies that</span> <span class="comment">// it is consistent with other given fields.</span> <span class="kw">let</span> (<span class="ident">verified</span>, <span class="ident">parsed_date</span>) <span class="op">=</span> <span class="kw">match</span> (<span class="ident">given_year</span>, <span class="ident">given_isoyear</span>, <span class="self">self</span>) { (<span class="prelude-val">Some</span>(<span class="ident">year</span>), _, <span class="kw-2">&</span><span class="ident">Parsed</span> { <span class="ident">month</span>: <span class="prelude-val">Some</span>(<span class="ident">month</span>), <span class="ident">day</span>: <span class="prelude-val">Some</span>(<span class="ident">day</span>), .. }) <span class="op">=></span> { <span class="comment">// year, month, day</span> <span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">NaiveDate</span>::<span class="ident">from_ymd_opt</span>(<span class="ident">year</span>, <span class="ident">month</span>, <span class="ident">day</span>).<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); (<span class="ident">verify_isoweekdate</span>(<span class="ident">date</span>) <span class="op">&&</span> <span class="ident">verify_ordinal</span>(<span class="ident">date</span>), <span class="ident">date</span>) }, (<span class="prelude-val">Some</span>(<span class="ident">year</span>), _, <span class="kw-2">&</span><span class="ident">Parsed</span> { <span class="ident">ordinal</span>: <span class="prelude-val">Some</span>(<span class="ident">ordinal</span>), .. }) <span class="op">=></span> { <span class="comment">// year, day of the year</span> <span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">NaiveDate</span>::<span class="ident">from_yo_opt</span>(<span class="ident">year</span>, <span class="ident">ordinal</span>).<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); (<span class="ident">verify_ymd</span>(<span class="ident">date</span>) <span class="op">&&</span> <span class="ident">verify_isoweekdate</span>(<span class="ident">date</span>) <span class="op">&&</span> <span class="ident">verify_ordinal</span>(<span class="ident">date</span>), <span class="ident">date</span>) }, (<span class="prelude-val">Some</span>(<span class="ident">year</span>), _, <span class="kw-2">&</span><span class="ident">Parsed</span> { <span class="ident">week_from_sun</span>: <span class="prelude-val">Some</span>(<span class="ident">week_from_sun</span>), <span class="ident">weekday</span>: <span class="prelude-val">Some</span>(<span class="ident">weekday</span>), .. }) <span class="op">=></span> { <span class="comment">// year, week (starting at 1st Sunday), day of the week</span> <span class="kw">let</span> <span class="ident">newyear</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">NaiveDate</span>::<span class="ident">from_yo_opt</span>(<span class="ident">year</span>, <span class="number">1</span>).<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="kw">let</span> <span class="ident">firstweek</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">newyear</span>.<span class="ident">weekday</span>() { <span class="ident">Weekday</span>::<span class="ident">Sun</span> <span class="op">=></span> <span class="number">0</span>, <span class="ident">Weekday</span>::<span class="ident">Mon</span> <span class="op">=></span> <span class="number">6</span>, <span class="ident">Weekday</span>::<span class="ident">Tue</span> <span class="op">=></span> <span class="number">5</span>, <span class="ident">Weekday</span>::<span class="ident">Wed</span> <span class="op">=></span> <span class="number">4</span>, <span class="ident">Weekday</span>::<span class="ident">Thu</span> <span class="op">=></span> <span class="number">3</span>, <span class="ident">Weekday</span>::<span class="ident">Fri</span> <span class="op">=></span> <span class="number">2</span>, <span class="ident">Weekday</span>::<span class="ident">Sat</span> <span class="op">=></span> <span class="number">1</span>, }; <span class="comment">// `firstweek+1`-th day of January is the beginning of the week 1.</span> <span class="kw">if</span> <span class="ident">week_from_sun</span> <span class="op">></span> <span class="number">53</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="comment">// can it overflow?</span> <span class="kw">let</span> <span class="ident">ndays</span> <span class="op">=</span> <span class="ident">firstweek</span> <span class="op">+</span> (<span class="ident">week_from_sun</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="number">1</span>) <span class="op">*</span> <span class="number">7</span> <span class="op">+</span> <span class="ident">weekday</span>.<span class="ident">num_days_from_sunday</span>() <span class="kw">as</span> <span class="ident">i32</span>; <span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">newyear</span>.<span class="ident">checked_add</span>(<span class="ident">Duration</span>::<span class="ident">days</span>(<span class="ident">ndays</span> <span class="kw">as</span> <span class="ident">i64</span>)) .<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="kw">if</span> <span class="ident">date</span>.<span class="ident">year</span>() <span class="op">!=</span> <span class="ident">year</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="comment">// early exit for correct error</span> (<span class="ident">verify_ymd</span>(<span class="ident">date</span>) <span class="op">&&</span> <span class="ident">verify_isoweekdate</span>(<span class="ident">date</span>) <span class="op">&&</span> <span class="ident">verify_ordinal</span>(<span class="ident">date</span>), <span class="ident">date</span>) }, (<span class="prelude-val">Some</span>(<span class="ident">year</span>), _, <span class="kw-2">&</span><span class="ident">Parsed</span> { <span class="ident">week_from_mon</span>: <span class="prelude-val">Some</span>(<span class="ident">week_from_mon</span>), <span class="ident">weekday</span>: <span class="prelude-val">Some</span>(<span class="ident">weekday</span>), .. }) <span class="op">=></span> { <span class="comment">// year, week (starting at 1st Monday), day of the week</span> <span class="kw">let</span> <span class="ident">newyear</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">NaiveDate</span>::<span class="ident">from_yo_opt</span>(<span class="ident">year</span>, <span class="number">1</span>).<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="kw">let</span> <span class="ident">firstweek</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">newyear</span>.<span class="ident">weekday</span>() { <span class="ident">Weekday</span>::<span class="ident">Sun</span> <span class="op">=></span> <span class="number">1</span>, <span class="ident">Weekday</span>::<span class="ident">Mon</span> <span class="op">=></span> <span class="number">0</span>, <span class="ident">Weekday</span>::<span class="ident">Tue</span> <span class="op">=></span> <span class="number">6</span>, <span class="ident">Weekday</span>::<span class="ident">Wed</span> <span class="op">=></span> <span class="number">5</span>, <span class="ident">Weekday</span>::<span class="ident">Thu</span> <span class="op">=></span> <span class="number">4</span>, <span class="ident">Weekday</span>::<span class="ident">Fri</span> <span class="op">=></span> <span class="number">3</span>, <span class="ident">Weekday</span>::<span class="ident">Sat</span> <span class="op">=></span> <span class="number">2</span>, }; <span class="comment">// `firstweek+1`-th day of January is the beginning of the week 1.</span> <span class="kw">if</span> <span class="ident">week_from_mon</span> <span class="op">></span> <span class="number">53</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="comment">// can it overflow?</span> <span class="kw">let</span> <span class="ident">ndays</span> <span class="op">=</span> <span class="ident">firstweek</span> <span class="op">+</span> (<span class="ident">week_from_mon</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="number">1</span>) <span class="op">*</span> <span class="number">7</span> <span class="op">+</span> <span class="ident">weekday</span>.<span class="ident">num_days_from_monday</span>() <span class="kw">as</span> <span class="ident">i32</span>; <span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">newyear</span>.<span class="ident">checked_add</span>(<span class="ident">Duration</span>::<span class="ident">days</span>(<span class="ident">ndays</span> <span class="kw">as</span> <span class="ident">i64</span>)) .<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="kw">if</span> <span class="ident">date</span>.<span class="ident">year</span>() <span class="op">!=</span> <span class="ident">year</span> { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>); } <span class="comment">// early exit for correct error</span> (<span class="ident">verify_ymd</span>(<span class="ident">date</span>) <span class="op">&&</span> <span class="ident">verify_isoweekdate</span>(<span class="ident">date</span>) <span class="op">&&</span> <span class="ident">verify_ordinal</span>(<span class="ident">date</span>), <span class="ident">date</span>) }, (_, <span class="prelude-val">Some</span>(<span class="ident">isoyear</span>), <span class="kw-2">&</span><span class="ident">Parsed</span> { <span class="ident">isoweek</span>: <span class="prelude-val">Some</span>(<span class="ident">isoweek</span>), <span class="ident">weekday</span>: <span class="prelude-val">Some</span>(<span class="ident">weekday</span>), .. }) <span class="op">=></span> { <span class="comment">// ISO year, week, day of the week</span> <span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="ident">NaiveDate</span>::<span class="ident">from_isoywd_opt</span>(<span class="ident">isoyear</span>, <span class="ident">isoweek</span>, <span class="ident">weekday</span>); <span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">date</span>.<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); (<span class="ident">verify_ymd</span>(<span class="ident">date</span>) <span class="op">&&</span> <span class="ident">verify_ordinal</span>(<span class="ident">date</span>), <span class="ident">date</span>) }, (_, _, _) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>) }; <span class="kw">if</span> <span class="ident">verified</span> { <span class="prelude-val">Ok</span>(<span class="ident">parsed_date</span>) } <span class="kw">else</span> { <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>) } } <span class="doccomment">/// Returns a parsed naive time out of given fields.</span> <span class="doccomment">///</span> <span class="doccomment">/// This method is able to determine the time from given subset of fields:</span> <span class="doccomment">///</span> <span class="doccomment">/// - Hour, minute. (second and nanosecond assumed to be 0)</span> <span class="doccomment">/// - Hour, minute, second. (nanosecond assumed to be 0)</span> <span class="doccomment">/// - Hour, minute, second, nanosecond.</span> <span class="doccomment">///</span> <span class="doccomment">/// It is able to handle leap seconds when given second is 60.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">to_naive_time</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span><span class="ident">NaiveTime</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">hour_div_12</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">hour_div_12</span> { <span class="prelude-val">Some</span>(<span class="ident">v</span> @ <span class="number">0</span>...<span class="number">1</span>) <span class="op">=></span> <span class="ident">v</span>, <span class="prelude-val">Some</span>(_) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>), <span class="prelude-val">None</span> <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>), }; <span class="kw">let</span> <span class="ident">hour_mod_12</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">hour_mod_12</span> { <span class="prelude-val">Some</span>(<span class="ident">v</span> @ <span class="number">0</span>...<span class="number">11</span>) <span class="op">=></span> <span class="ident">v</span>, <span class="prelude-val">Some</span>(_) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>), <span class="prelude-val">None</span> <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>), }; <span class="kw">let</span> <span class="ident">hour</span> <span class="op">=</span> <span class="ident">hour_div_12</span> <span class="op">*</span> <span class="number">12</span> <span class="op">+</span> <span class="ident">hour_mod_12</span>; <span class="kw">let</span> <span class="ident">minute</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">minute</span> { <span class="prelude-val">Some</span>(<span class="ident">v</span> @ <span class="number">0</span>...<span class="number">59</span>) <span class="op">=></span> <span class="ident">v</span>, <span class="prelude-val">Some</span>(_) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>), <span class="prelude-val">None</span> <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>), }; <span class="comment">// we allow omitting seconds or nanoseconds, but they should be in the range.</span> <span class="kw">let</span> (<span class="ident">second</span>, <span class="kw-2">mut</span> <span class="ident">nano</span>) <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">second</span>.<span class="ident">unwrap_or</span>(<span class="number">0</span>) { <span class="ident">v</span> @ <span class="number">0</span>...<span class="number">59</span> <span class="op">=></span> (<span class="ident">v</span>, <span class="number">0</span>), <span class="number">60</span> <span class="op">=></span> (<span class="number">59</span>, <span class="number">1_000_000_000</span>), _ <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>), }; <span class="ident">nano</span> <span class="op">+=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">nanosecond</span> { <span class="prelude-val">Some</span>(<span class="ident">v</span> @ <span class="number">0</span>...<span class="number">999_999_999</span>) <span class="kw">if</span> <span class="self">self</span>.<span class="ident">second</span>.<span class="ident">is_some</span>() <span class="op">=></span> <span class="ident">v</span>, <span class="prelude-val">Some</span>(<span class="number">0</span>...<span class="number">999_999_999</span>) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>), <span class="comment">// second is missing</span> <span class="prelude-val">Some</span>(_) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>), <span class="prelude-val">None</span> <span class="op">=></span> <span class="number">0</span>, }; <span class="ident">NaiveTime</span>::<span class="ident">from_hms_nano_opt</span>(<span class="ident">hour</span>, <span class="ident">minute</span>, <span class="ident">second</span>, <span class="ident">nano</span>).<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>) } <span class="doccomment">/// Returns a parsed naive date and time out of given fields,</span> <span class="doccomment">/// except for the [`offset`](#structfield.offset) field (assumed to have a given value).</span> <span class="doccomment">/// This is required for parsing a local time or other known-timezone inputs.</span> <span class="doccomment">///</span> <span class="doccomment">/// This method is able to determine the combined date and time</span> <span class="doccomment">/// from date and time fields or a single [`timestamp`](#structfield.timestamp) field.</span> <span class="doccomment">/// Either way those fields have to be consistent to each other.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">to_naive_datetime_with_offset</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">offset</span>: <span class="ident">i32</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span><span class="ident">NaiveDateTime</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">to_naive_date</span>(); <span class="kw">let</span> <span class="ident">time</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">to_naive_time</span>(); <span class="kw">if</span> <span class="kw">let</span> (<span class="prelude-val">Ok</span>(<span class="ident">date</span>), <span class="prelude-val">Ok</span>(<span class="ident">time</span>)) <span class="op">=</span> (<span class="ident">date</span>, <span class="ident">time</span>) { <span class="kw">let</span> <span class="ident">datetime</span> <span class="op">=</span> <span class="ident">date</span>.<span class="ident">and_time</span>(<span class="ident">time</span>); <span class="comment">// verify the timestamp field if any</span> <span class="comment">// the following is safe, `timestamp` is very limited in range</span> <span class="kw">let</span> <span class="ident">timestamp</span> <span class="op">=</span> <span class="ident">datetime</span>.<span class="ident">timestamp</span>() <span class="op">-</span> <span class="ident">offset</span> <span class="kw">as</span> <span class="ident">i64</span>; <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">given_timestamp</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">timestamp</span> { <span class="comment">// if `datetime` represents a leap second, it might be off by one second.</span> <span class="kw">if</span> <span class="ident">given_timestamp</span> <span class="op">!=</span> <span class="ident">timestamp</span> <span class="op">&&</span> <span class="op">!</span>(<span class="ident">datetime</span>.<span class="ident">nanosecond</span>() <span class="op">>=</span> <span class="number">1_000_000_000</span> <span class="op">&&</span> <span class="ident">given_timestamp</span> <span class="op">==</span> <span class="ident">timestamp</span> <span class="op">+</span> <span class="number">1</span>) { <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>); } } <span class="prelude-val">Ok</span>(<span class="ident">datetime</span>) } <span class="kw">else</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">timestamp</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">timestamp</span> { <span class="kw">use</span> <span class="kw">super</span>::<span class="ident">ParseError</span> <span class="kw">as</span> <span class="ident">PE</span>; <span class="kw">use</span> <span class="kw">super</span>::<span class="ident">ParseErrorKind</span>::{<span class="ident">OutOfRange</span>, <span class="ident">Impossible</span>}; <span class="comment">// if date and time is problematic already, there is no point proceeding.</span> <span class="comment">// we at least try to give a correct error though.</span> <span class="kw">match</span> (<span class="ident">date</span>, <span class="ident">time</span>) { (<span class="prelude-val">Err</span>(<span class="ident">PE</span>(<span class="ident">OutOfRange</span>)), _) <span class="op">|</span> (_, <span class="prelude-val">Err</span>(<span class="ident">PE</span>(<span class="ident">OutOfRange</span>))) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>), (<span class="prelude-val">Err</span>(<span class="ident">PE</span>(<span class="ident">Impossible</span>)), _) <span class="op">|</span> (_, <span class="prelude-val">Err</span>(<span class="ident">PE</span>(<span class="ident">Impossible</span>))) <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>), (_, _) <span class="op">=></span> {} <span class="comment">// one of them is insufficient</span> } <span class="comment">// reconstruct date and time fields from timestamp</span> <span class="kw">let</span> <span class="ident">ts</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">timestamp</span>.<span class="ident">checked_add</span>(<span class="ident">offset</span> <span class="kw">as</span> <span class="ident">i64</span>).<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="kw">let</span> <span class="ident">datetime</span> <span class="op">=</span> <span class="ident">NaiveDateTime</span>::<span class="ident">from_timestamp_opt</span>(<span class="ident">ts</span>, <span class="number">0</span>); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">datetime</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">datetime</span>.<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// fill year, ordinal, hour, minute and second fields from timestamp.</span> <span class="comment">// if existing fields are consistent, this will allow the full date/time reconstruction.</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">parsed</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">clone</span>(); <span class="kw">if</span> <span class="ident">parsed</span>.<span class="ident">second</span> <span class="op">==</span> <span class="prelude-val">Some</span>(<span class="number">60</span>) { <span class="comment">// `datetime.second()` cannot be 60, so this is the only case for a leap second.</span> <span class="kw">match</span> <span class="ident">datetime</span>.<span class="ident">second</span>() { <span class="comment">// it's okay, just do not try to overwrite the existing field.</span> <span class="number">59</span> <span class="op">=></span> {} <span class="comment">// `datetime` is known to be off by one second.</span> <span class="number">0</span> <span class="op">=></span> { <span class="ident">datetime</span> <span class="op">=</span> <span class="ident">datetime</span> <span class="op">-</span> <span class="ident">Duration</span>::<span class="ident">seconds</span>(<span class="number">1</span>); } <span class="comment">// otherwise it is impossible.</span> _ <span class="op">=></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>) } <span class="comment">// ...and we have the correct candidates for other fields.</span> } <span class="kw">else</span> { <span class="macro">try</span><span class="macro">!</span>(<span class="ident">parsed</span>.<span class="ident">set_second</span>(<span class="ident">datetime</span>.<span class="ident">second</span>() <span class="kw">as</span> <span class="ident">i64</span>)); } <span class="macro">try</span><span class="macro">!</span>(<span class="ident">parsed</span>.<span class="ident">set_year</span> (<span class="ident">datetime</span>.<span class="ident">year</span>() <span class="kw">as</span> <span class="ident">i64</span>)); <span class="macro">try</span><span class="macro">!</span>(<span class="ident">parsed</span>.<span class="ident">set_ordinal</span>(<span class="ident">datetime</span>.<span class="ident">ordinal</span>() <span class="kw">as</span> <span class="ident">i64</span>)); <span class="comment">// more efficient than ymd</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">parsed</span>.<span class="ident">set_hour</span> (<span class="ident">datetime</span>.<span class="ident">hour</span>() <span class="kw">as</span> <span class="ident">i64</span>)); <span class="macro">try</span><span class="macro">!</span>(<span class="ident">parsed</span>.<span class="ident">set_minute</span> (<span class="ident">datetime</span>.<span class="ident">minute</span>() <span class="kw">as</span> <span class="ident">i64</span>)); <span class="macro">try</span><span class="macro">!</span>(<span class="ident">parsed</span>.<span class="ident">set_nanosecond</span>(<span class="number">0</span>)); <span class="comment">// no nanosecond precision in timestamp</span> <span class="comment">// validate other fields (e.g. week) and return</span> <span class="kw">let</span> <span class="ident">date</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">parsed</span>.<span class="ident">to_naive_date</span>()); <span class="kw">let</span> <span class="ident">time</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">parsed</span>.<span class="ident">to_naive_time</span>()); <span class="prelude-val">Ok</span>(<span class="ident">date</span>.<span class="ident">and_time</span>(<span class="ident">time</span>)) } <span class="kw">else</span> { <span class="comment">// reproduce the previous error(s)</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">date</span>); <span class="macro">try</span><span class="macro">!</span>(<span class="ident">time</span>); <span class="macro">unreachable</span><span class="macro">!</span>() } } <span class="doccomment">/// Returns a parsed fixed time zone offset out of given fields.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">to_fixed_offset</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span><span class="ident">FixedOffset</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">offset</span>.<span class="ident">and_then</span>(<span class="op">|</span><span class="ident">offset</span><span class="op">|</span> <span class="ident">FixedOffset</span>::<span class="ident">east_opt</span>(<span class="ident">offset</span>)).<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>) } <span class="doccomment">/// Returns a parsed timezone-aware date and time out of given fields.</span> <span class="doccomment">///</span> <span class="doccomment">/// This method is able to determine the combined date and time</span> <span class="doccomment">/// from date and time fields or a single [`timestamp`](#structfield.timestamp) field,</span> <span class="doccomment">/// plus a time zone offset.</span> <span class="doccomment">/// Either way those fields have to be consistent to each other.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">to_datetime</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span><span class="ident">DateTime</span><span class="op"><</span><span class="ident">FixedOffset</span><span class="op">>></span> { <span class="kw">let</span> <span class="ident">offset</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">offset</span>.<span class="ident">ok_or</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="kw">let</span> <span class="ident">datetime</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">to_naive_datetime_with_offset</span>(<span class="ident">offset</span>)); <span class="kw">let</span> <span class="ident">offset</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">FixedOffset</span>::<span class="ident">east_opt</span>(<span class="ident">offset</span>).<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="kw">match</span> <span class="ident">offset</span>.<span class="ident">from_local_datetime</span>(<span class="kw-2">&</span><span class="ident">datetime</span>) { <span class="ident">LocalResult</span>::<span class="prelude-val">None</span> <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>), <span class="ident">LocalResult</span>::<span class="ident">Single</span>(<span class="ident">t</span>) <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">t</span>), <span class="ident">LocalResult</span>::<span class="ident">Ambiguous</span>(..) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>), } } <span class="doccomment">/// Returns a parsed timezone-aware date and time out of given fields,</span> <span class="doccomment">/// with an additional `TimeZone` used to interpret and validate the local date.</span> <span class="doccomment">///</span> <span class="doccomment">/// This method is able to determine the combined date and time</span> <span class="doccomment">/// from date and time fields or a single [`timestamp`](#structfield.timestamp) field,</span> <span class="doccomment">/// plus a time zone offset.</span> <span class="doccomment">/// Either way those fields have to be consistent to each other.</span> <span class="doccomment">/// If parsed fields include an UTC offset, it also has to be consistent to</span> <span class="doccomment">/// [`offset`](#structfield.offset).</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">to_datetime_with_timezone</span><span class="op"><</span><span class="ident">Tz</span>: <span class="ident">TimeZone</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">tz</span>: <span class="kw-2">&</span><span class="ident">Tz</span>) <span class="op">-></span> <span class="ident">ParseResult</span><span class="op"><</span><span class="ident">DateTime</span><span class="op"><</span><span class="ident">Tz</span><span class="op">>></span> { <span class="comment">// if we have `timestamp` specified, guess an offset from that.</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">guessed_offset</span> <span class="op">=</span> <span class="number">0</span>; <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">timestamp</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">timestamp</span> { <span class="comment">// make a naive `DateTime` from given timestamp and (if any) nanosecond.</span> <span class="comment">// an empty `nanosecond` is always equal to zero, so missing nanosecond is fine.</span> <span class="kw">let</span> <span class="ident">nanosecond</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">nanosecond</span>.<span class="ident">unwrap_or</span>(<span class="number">0</span>); <span class="kw">let</span> <span class="ident">dt</span> <span class="op">=</span> <span class="ident">NaiveDateTime</span>::<span class="ident">from_timestamp_opt</span>(<span class="ident">timestamp</span>, <span class="ident">nanosecond</span>); <span class="kw">let</span> <span class="ident">dt</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">dt</span>.<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// we cannot handle offsets larger than i32 at all. give up if so.</span> <span class="comment">// we can instead make `to_naive_datetime_with_offset` to accept i64, but this makes</span> <span class="comment">// the algorithm too complex and tons of edge cases. i32 should be enough for all.</span> <span class="kw">let</span> <span class="ident">offset</span> <span class="op">=</span> <span class="ident">tz</span>.<span class="ident">offset_from_utc_datetime</span>(<span class="kw-2">&</span><span class="ident">dt</span>).<span class="ident">local_minus_utc</span>().<span class="ident">num_seconds</span>(); <span class="ident">guessed_offset</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">offset</span>.<span class="ident">to_i32</span>().<span class="ident">ok_or</span>(<span class="ident">OUT_OF_RANGE</span>)); } <span class="comment">// checks if the given `DateTime` has a consistent `Offset` with given `self.offset`.</span> <span class="kw">let</span> <span class="ident">check_offset</span> <span class="op">=</span> <span class="op">|</span><span class="ident">dt</span>: <span class="kw-2">&</span><span class="ident">DateTime</span><span class="op"><</span><span class="ident">Tz</span><span class="op">></span><span class="op">|</span> { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">offset</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">offset</span> { <span class="kw">let</span> <span class="ident">delta</span> <span class="op">=</span> <span class="ident">dt</span>.<span class="ident">offset</span>().<span class="ident">local_minus_utc</span>().<span class="ident">num_seconds</span>(); <span class="comment">// if `delta` does not fit in `i32`, it cannot equal to `self.offset` anyway.</span> <span class="ident">delta</span>.<span class="ident">to_i32</span>() <span class="op">==</span> <span class="prelude-val">Some</span>(<span class="ident">offset</span>) } <span class="kw">else</span> { <span class="bool-val">true</span> } }; <span class="comment">// `guessed_offset` should be correct when `self.timestamp` is given.</span> <span class="comment">// it will be 0 otherwise, but this is fine as the algorithm ignores offset for that case.</span> <span class="kw">let</span> <span class="ident">datetime</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">to_naive_datetime_with_offset</span>(<span class="ident">guessed_offset</span>)); <span class="kw">match</span> <span class="ident">tz</span>.<span class="ident">from_local_datetime</span>(<span class="kw-2">&</span><span class="ident">datetime</span>) { <span class="ident">LocalResult</span>::<span class="prelude-val">None</span> <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>), <span class="ident">LocalResult</span>::<span class="ident">Single</span>(<span class="ident">t</span>) <span class="op">=></span> <span class="kw">if</span> <span class="ident">check_offset</span>(<span class="kw-2">&</span><span class="ident">t</span>) {<span class="prelude-val">Ok</span>(<span class="ident">t</span>)} <span class="kw">else</span> {<span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)}, <span class="ident">LocalResult</span>::<span class="ident">Ambiguous</span>(<span class="ident">min</span>, <span class="ident">max</span>) <span class="op">=></span> { <span class="comment">// try to disambiguate two possible local dates by offset.</span> <span class="kw">match</span> (<span class="ident">check_offset</span>(<span class="kw-2">&</span><span class="ident">min</span>), <span class="ident">check_offset</span>(<span class="kw-2">&</span><span class="ident">max</span>)) { (<span class="bool-val">false</span>, <span class="bool-val">false</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>), (<span class="bool-val">false</span>, <span class="bool-val">true</span>) <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">max</span>), (<span class="bool-val">true</span>, <span class="bool-val">false</span>) <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">min</span>), (<span class="bool-val">true</span>, <span class="bool-val">true</span>) <span class="op">=></span> <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>), } } } } } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span> <span class="kw">mod</span> <span class="ident">tests</span> { <span class="kw">use</span> <span class="kw">super</span>::<span class="ident">Parsed</span>; <span class="kw">use</span> <span class="kw">super</span>::<span class="kw">super</span>::{<span class="ident">OUT_OF_RANGE</span>, <span class="ident">IMPOSSIBLE</span>, <span class="ident">NOT_ENOUGH</span>}; <span class="kw">use</span> <span class="ident">Datelike</span>; <span class="kw">use</span> <span class="ident">Weekday</span>::<span class="kw-2">*</span>; <span class="kw">use</span> <span class="ident">naive</span>::<span class="ident">date</span>::{<span class="self">self</span>, <span class="ident">NaiveDate</span>}; <span class="kw">use</span> <span class="ident">naive</span>::<span class="ident">time</span>::<span class="ident">NaiveTime</span>; <span class="kw">use</span> <span class="ident">offset</span>::<span class="ident">TimeZone</span>; <span class="kw">use</span> <span class="ident">offset</span>::<span class="ident">utc</span>::<span class="ident">UTC</span>; <span class="kw">use</span> <span class="ident">offset</span>::<span class="ident">fixed</span>::<span class="ident">FixedOffset</span>; <span class="attribute">#[<span class="ident">test</span>]</span> <span class="kw">fn</span> <span class="ident">test_parsed_set_fields</span>() { <span class="comment">// year*, isoyear*</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="ident">Parsed</span>::<span class="ident">new</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year</span>(<span class="number">1987</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year</span>(<span class="number">1986</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year</span>(<span class="number">1988</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year</span>(<span class="number">1987</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_div_100</span>(<span class="number">20</span>), <span class="prelude-val">Ok</span>(())); <span class="comment">// independent to `year`</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_div_100</span>(<span class="number">21</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_div_100</span>(<span class="number">19</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_mod_100</span>(<span class="number">37</span>), <span class="prelude-val">Ok</span>(())); <span class="comment">// ditto</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_mod_100</span>(<span class="number">38</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_mod_100</span>(<span class="number">36</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="ident">Parsed</span>::<span class="ident">new</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year</span>(<span class="number">0</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_div_100</span>(<span class="number">0</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_mod_100</span>(<span class="number">0</span>), <span class="prelude-val">Ok</span>(())); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="ident">Parsed</span>::<span class="ident">new</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_div_100</span>(<span class="op">-</span><span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_mod_100</span>(<span class="op">-</span><span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year</span>(<span class="op">-</span><span class="number">1</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year</span>(<span class="op">-</span><span class="number">2</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year</span>(<span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="ident">Parsed</span>::<span class="ident">new</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_div_100</span>(<span class="number">0x1_0000_0008</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_div_100</span>(<span class="number">8</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_year_div_100</span>(<span class="number">0x1_0000_0008</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// month, week*, isoweek, ordinal, day, minute, second, nanosecond, offset</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="ident">Parsed</span>::<span class="ident">new</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_month</span>(<span class="number">7</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_month</span>(<span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_month</span>(<span class="number">6</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_month</span>(<span class="number">8</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_month</span>(<span class="number">12</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="ident">Parsed</span>::<span class="ident">new</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_month</span>(<span class="number">8</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_month</span>(<span class="number">0x1_0000_0008</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// hour</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="ident">Parsed</span>::<span class="ident">new</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour</span>(<span class="number">12</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour</span>(<span class="number">11</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour</span>(<span class="number">13</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour</span>(<span class="number">12</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_ampm</span>(<span class="bool-val">false</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_ampm</span>(<span class="bool-val">true</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour12</span>(<span class="number">12</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour12</span>(<span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// requires canonical representation</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour12</span>(<span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour12</span>(<span class="number">11</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="ident">Parsed</span>::<span class="ident">new</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_ampm</span>(<span class="bool-val">true</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour12</span>(<span class="number">7</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour</span>(<span class="number">7</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour</span>(<span class="number">18</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_hour</span>(<span class="number">19</span>), <span class="prelude-val">Ok</span>(())); <span class="comment">// timestamp</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">p</span> <span class="op">=</span> <span class="ident">Parsed</span>::<span class="ident">new</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_timestamp</span>(<span class="number">1_234_567_890</span>), <span class="prelude-val">Ok</span>(())); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_timestamp</span>(<span class="number">1_234_567_889</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">p</span>.<span class="ident">set_timestamp</span>(<span class="number">1_234_567_891</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); } <span class="attribute">#[<span class="ident">test</span>]</span> <span class="kw">fn</span> <span class="ident">test_parsed_to_naive_date</span>() { <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">parse</span> { ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>:<span class="ident">expr</span>),<span class="kw-2">*</span>) <span class="op">=></span> ( <span class="ident">Parsed</span> { $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>: <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>),)<span class="op">*</span> ..<span class="ident">Parsed</span>::<span class="ident">new</span>() }.<span class="ident">to_naive_date</span>() ) } <span class="kw">let</span> <span class="ident">ymd</span> <span class="op">=</span> <span class="op">|</span><span class="ident">y</span>,<span class="ident">m</span>,<span class="ident">d</span><span class="op">|</span> <span class="prelude-val">Ok</span>(<span class="ident">NaiveDate</span>::<span class="ident">from_ymd</span>(<span class="ident">y</span>, <span class="ident">m</span>, <span class="ident">d</span>)); <span class="comment">// ymd: omission of fields</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">month</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">2</span>), <span class="ident">ymd</span>(<span class="number">1984</span>, <span class="number">1</span>, <span class="number">2</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">day</span>: <span class="number">2</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">84</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">84</span>, <span class="ident">month</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">84</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">2</span>), <span class="ident">ymd</span>(<span class="number">1984</span>, <span class="number">1</span>, <span class="number">2</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">84</span>, <span class="ident">day</span>: <span class="number">2</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">2</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_mod_100</span>: <span class="number">70</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">2</span>), <span class="ident">ymd</span>(<span class="number">1970</span>, <span class="number">1</span>, <span class="number">2</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_mod_100</span>: <span class="number">69</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">2</span>), <span class="ident">ymd</span>(<span class="number">2069</span>, <span class="number">1</span>, <span class="number">2</span>)); <span class="comment">// ymd: out-of-range conditions</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">84</span>, <span class="ident">month</span>: <span class="number">2</span>, <span class="ident">day</span>: <span class="number">29</span>), <span class="ident">ymd</span>(<span class="number">1984</span>, <span class="number">2</span>, <span class="number">29</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">83</span>, <span class="ident">month</span>: <span class="number">2</span>, <span class="ident">day</span>: <span class="number">29</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">83</span>, <span class="ident">month</span>: <span class="number">13</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">83</span>, <span class="ident">month</span>: <span class="number">12</span>, <span class="ident">day</span>: <span class="number">31</span>), <span class="ident">ymd</span>(<span class="number">1983</span>, <span class="number">12</span>, <span class="number">31</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">83</span>, <span class="ident">month</span>: <span class="number">12</span>, <span class="ident">day</span>: <span class="number">32</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">83</span>, <span class="ident">month</span>: <span class="number">12</span>, <span class="ident">day</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">100</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="op">-</span><span class="number">1</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">0</span>, <span class="ident">year_mod_100</span>: <span class="number">0</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="ident">ymd</span>(<span class="number">0</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="op">-</span><span class="number">1</span>, <span class="ident">year_mod_100</span>: <span class="number">42</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="kw">let</span> <span class="ident">max_year</span> <span class="op">=</span> <span class="ident">date</span>::<span class="ident">MAX</span>.<span class="ident">year</span>(); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="ident">max_year</span> <span class="op">/</span> <span class="number">100</span>, <span class="ident">year_mod_100</span>: <span class="ident">max_year</span> <span class="op">%</span> <span class="number">100</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="ident">ymd</span>(<span class="ident">max_year</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: (<span class="ident">max_year</span> <span class="op">+</span> <span class="number">1</span>) <span class="op">/</span> <span class="number">100</span>, <span class="ident">year_mod_100</span>: (<span class="ident">max_year</span> <span class="op">+</span> <span class="number">1</span>) <span class="op">%</span> <span class="number">100</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// ymd: conflicting inputs</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="ident">ymd</span>(<span class="number">1984</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">year_div_100</span>: <span class="number">20</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">year_mod_100</span>: <span class="number">84</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="ident">ymd</span>(<span class="number">1984</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">year_mod_100</span>: <span class="number">83</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">year_div_100</span>: <span class="number">19</span>, <span class="ident">year_mod_100</span>: <span class="number">84</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="ident">ymd</span>(<span class="number">1984</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">year_div_100</span>: <span class="number">18</span>, <span class="ident">year_mod_100</span>: <span class="number">94</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1984</span>, <span class="ident">year_div_100</span>: <span class="number">18</span>, <span class="ident">year_mod_100</span>: <span class="number">184</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="op">-</span><span class="number">1</span>, <span class="ident">year_div_100</span>: <span class="number">0</span>, <span class="ident">year_mod_100</span>: <span class="op">-</span><span class="number">1</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="op">-</span><span class="number">1</span>, <span class="ident">year_div_100</span>: <span class="op">-</span><span class="number">1</span>, <span class="ident">year_mod_100</span>: <span class="number">99</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="op">-</span><span class="number">1</span>, <span class="ident">year_div_100</span>: <span class="number">0</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="op">-</span><span class="number">1</span>, <span class="ident">year_mod_100</span>: <span class="number">99</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// weekdates</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">0</span>, <span class="ident">weekday</span>: <span class="ident">Fri</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">0</span>, <span class="ident">weekday</span>: <span class="ident">Fri</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">0</span>, <span class="ident">weekday</span>: <span class="ident">Sat</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">0</span>, <span class="ident">weekday</span>: <span class="ident">Sat</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">0</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">2</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">1</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">2</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">1</span>, <span class="ident">weekday</span>: <span class="ident">Mon</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">3</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">1</span>, <span class="ident">weekday</span>: <span class="ident">Mon</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">3</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">1</span>, <span class="ident">weekday</span>: <span class="ident">Sat</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">8</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">1</span>, <span class="ident">weekday</span>: <span class="ident">Sat</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">8</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">1</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">9</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">2</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">9</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">2</span>, <span class="ident">weekday</span>: <span class="ident">Mon</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">10</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">52</span>, <span class="ident">weekday</span>: <span class="ident">Sat</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">12</span>, <span class="number">30</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">53</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">12</span>, <span class="number">31</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">53</span>, <span class="ident">weekday</span>: <span class="ident">Mon</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_sun</span>: <span class="number">0xffffffff</span>, <span class="ident">weekday</span>: <span class="ident">Mon</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2006</span>, <span class="ident">week_from_sun</span>: <span class="number">0</span>, <span class="ident">weekday</span>: <span class="ident">Sat</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2006</span>, <span class="ident">week_from_sun</span>: <span class="number">1</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="ident">ymd</span>(<span class="number">2006</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="comment">// weekdates: conflicting inputs</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">1</span>, <span class="ident">week_from_sun</span>: <span class="number">1</span>, <span class="ident">weekday</span>: <span class="ident">Sat</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">8</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">1</span>, <span class="ident">week_from_sun</span>: <span class="number">2</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">9</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">1</span>, <span class="ident">week_from_sun</span>: <span class="number">1</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">week_from_mon</span>: <span class="number">2</span>, <span class="ident">week_from_sun</span>: <span class="number">2</span>, <span class="ident">weekday</span>: <span class="ident">Sun</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="comment">// ISO weekdates</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">isoyear</span>: <span class="number">2004</span>, <span class="ident">isoweek</span>: <span class="number">53</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">isoyear</span>: <span class="number">2004</span>, <span class="ident">isoweek</span>: <span class="number">53</span>, <span class="ident">weekday</span>: <span class="ident">Fri</span>), <span class="ident">ymd</span>(<span class="number">2004</span>, <span class="number">12</span>, <span class="number">31</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">isoyear</span>: <span class="number">2004</span>, <span class="ident">isoweek</span>: <span class="number">53</span>, <span class="ident">weekday</span>: <span class="ident">Sat</span>), <span class="ident">ymd</span>(<span class="number">2005</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">isoyear</span>: <span class="number">2004</span>, <span class="ident">isoweek</span>: <span class="number">0xffffffff</span>, <span class="ident">weekday</span>: <span class="ident">Sat</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">isoyear</span>: <span class="number">2005</span>, <span class="ident">isoweek</span>: <span class="number">0</span>, <span class="ident">weekday</span>: <span class="ident">Thu</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">isoyear</span>: <span class="number">2005</span>, <span class="ident">isoweek</span>: <span class="number">5</span>, <span class="ident">weekday</span>: <span class="ident">Thu</span>), <span class="ident">ymd</span>(<span class="number">2005</span>, <span class="number">2</span>, <span class="number">3</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">isoyear</span>: <span class="number">2005</span>, <span class="ident">weekday</span>: <span class="ident">Thu</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="comment">// year and ordinal</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">ordinal</span>: <span class="number">123</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">ordinal</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">ordinal</span>: <span class="number">1</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">ordinal</span>: <span class="number">60</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">2</span>, <span class="number">29</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">ordinal</span>: <span class="number">61</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">3</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">ordinal</span>: <span class="number">366</span>), <span class="ident">ymd</span>(<span class="number">2000</span>, <span class="number">12</span>, <span class="number">31</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">ordinal</span>: <span class="number">367</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2000</span>, <span class="ident">ordinal</span>: <span class="number">0xffffffff</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2100</span>, <span class="ident">ordinal</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2100</span>, <span class="ident">ordinal</span>: <span class="number">1</span>), <span class="ident">ymd</span>(<span class="number">2100</span>, <span class="number">1</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2100</span>, <span class="ident">ordinal</span>: <span class="number">59</span>), <span class="ident">ymd</span>(<span class="number">2100</span>, <span class="number">2</span>, <span class="number">28</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2100</span>, <span class="ident">ordinal</span>: <span class="number">60</span>), <span class="ident">ymd</span>(<span class="number">2100</span>, <span class="number">3</span>, <span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2100</span>, <span class="ident">ordinal</span>: <span class="number">365</span>), <span class="ident">ymd</span>(<span class="number">2100</span>, <span class="number">12</span>, <span class="number">31</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2100</span>, <span class="ident">ordinal</span>: <span class="number">366</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2100</span>, <span class="ident">ordinal</span>: <span class="number">0xffffffff</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// more complex cases</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">month</span>: <span class="number">12</span>, <span class="ident">day</span>: <span class="number">31</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">isoyear</span>: <span class="number">2015</span>, <span class="ident">isoweek</span>: <span class="number">1</span>, <span class="ident">week_from_sun</span>: <span class="number">52</span>, <span class="ident">week_from_mon</span>: <span class="number">52</span>, <span class="ident">weekday</span>: <span class="ident">Wed</span>), <span class="ident">ymd</span>(<span class="number">2014</span>, <span class="number">12</span>, <span class="number">31</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">month</span>: <span class="number">12</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">isoyear</span>: <span class="number">2015</span>, <span class="ident">isoweek</span>: <span class="number">1</span>, <span class="ident">week_from_sun</span>: <span class="number">52</span>, <span class="ident">week_from_mon</span>: <span class="number">52</span>), <span class="ident">ymd</span>(<span class="number">2014</span>, <span class="number">12</span>, <span class="number">31</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">month</span>: <span class="number">12</span>, <span class="ident">day</span>: <span class="number">31</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">isoyear</span>: <span class="number">2014</span>, <span class="ident">isoweek</span>: <span class="number">53</span>, <span class="ident">week_from_sun</span>: <span class="number">52</span>, <span class="ident">week_from_mon</span>: <span class="number">52</span>, <span class="ident">weekday</span>: <span class="ident">Wed</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="comment">// no ISO week date 2014-W53-3</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">isoyear</span>: <span class="number">2015</span>, <span class="ident">isoweek</span>: <span class="number">1</span>, <span class="ident">week_from_sun</span>: <span class="number">52</span>, <span class="ident">week_from_mon</span>: <span class="number">52</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="comment">// ambiguous (2014-12-29, 2014-12-30, 2014-12-31)</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year_div_100</span>: <span class="number">20</span>, <span class="ident">isoyear_mod_100</span>: <span class="number">15</span>, <span class="ident">ordinal</span>: <span class="number">366</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="comment">// technically unique (2014-12-31) but Chrono gives up</span> } <span class="attribute">#[<span class="ident">test</span>]</span> <span class="kw">fn</span> <span class="ident">test_parsed_to_naive_time</span>() { <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">parse</span> { ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>:<span class="ident">expr</span>),<span class="kw-2">*</span>) <span class="op">=></span> ( <span class="ident">Parsed</span> { $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>: <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>),)<span class="op">*</span> ..<span class="ident">Parsed</span>::<span class="ident">new</span>() }.<span class="ident">to_naive_time</span>() ) } <span class="kw">let</span> <span class="ident">hms</span> <span class="op">=</span> <span class="op">|</span><span class="ident">h</span>,<span class="ident">m</span>,<span class="ident">s</span><span class="op">|</span> <span class="prelude-val">Ok</span>(<span class="ident">NaiveTime</span>::<span class="ident">from_hms</span>(<span class="ident">h</span>, <span class="ident">m</span>, <span class="ident">s</span>)); <span class="kw">let</span> <span class="ident">hmsn</span> <span class="op">=</span> <span class="op">|</span><span class="ident">h</span>,<span class="ident">m</span>,<span class="ident">s</span>,<span class="ident">n</span><span class="op">|</span> <span class="prelude-val">Ok</span>(<span class="ident">NaiveTime</span>::<span class="ident">from_hms_nano</span>(<span class="ident">h</span>, <span class="ident">m</span>, <span class="ident">s</span>, <span class="ident">n</span>)); <span class="comment">// omission of fields</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">23</span>), <span class="ident">hms</span>(<span class="number">1</span>,<span class="number">23</span>,<span class="number">0</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">23</span>, <span class="ident">second</span>: <span class="number">45</span>), <span class="ident">hms</span>(<span class="number">1</span>,<span class="number">23</span>,<span class="number">45</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">23</span>, <span class="ident">second</span>: <span class="number">45</span>, <span class="ident">nanosecond</span>: <span class="number">678_901_234</span>), <span class="ident">hmsn</span>(<span class="number">1</span>,<span class="number">23</span>,<span class="number">45</span>,<span class="number">678_901_234</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">11</span>, <span class="ident">minute</span>: <span class="number">45</span>, <span class="ident">second</span>: <span class="number">6</span>), <span class="ident">hms</span>(<span class="number">23</span>,<span class="number">45</span>,<span class="number">6</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">23</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">23</span>, <span class="ident">nanosecond</span>: <span class="number">456_789_012</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="comment">// out-of-range conditions</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">2</span>, <span class="ident">hour_mod_12</span>: <span class="number">0</span>, <span class="ident">minute</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">12</span>, <span class="ident">minute</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">60</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">23</span>, <span class="ident">second</span>: <span class="number">61</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">23</span>, <span class="ident">second</span>: <span class="number">34</span>, <span class="ident">nanosecond</span>: <span class="number">1_000_000_000</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// leap seconds</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">23</span>, <span class="ident">second</span>: <span class="number">60</span>), <span class="ident">hmsn</span>(<span class="number">1</span>,<span class="number">23</span>,<span class="number">59</span>,<span class="number">1_000_000_000</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">23</span>, <span class="ident">second</span>: <span class="number">60</span>, <span class="ident">nanosecond</span>: <span class="number">999_999_999</span>), <span class="ident">hmsn</span>(<span class="number">1</span>,<span class="number">23</span>,<span class="number">59</span>,<span class="number">1_999_999_999</span>)); } <span class="attribute">#[<span class="ident">test</span>]</span> <span class="kw">fn</span> <span class="ident">test_parsed_to_naive_datetime_with_offset</span>() { <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">parse</span> { (<span class="ident">offset</span> <span class="op">=</span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">offset</span>:<span class="ident">expr</span>; $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>:<span class="ident">expr</span>),<span class="kw-2">*</span>) <span class="op">=></span> ( <span class="ident">Parsed</span> { $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>: <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>),)<span class="op">*</span> ..<span class="ident">Parsed</span>::<span class="ident">new</span>() }.<span class="ident">to_naive_datetime_with_offset</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">offset</span>) ); ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>:<span class="ident">expr</span>),<span class="kw-2">*</span>) <span class="op">=></span> (<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">offset</span> <span class="op">=</span> <span class="number">0</span>; $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>),<span class="kw-2">*</span>)) } <span class="kw">let</span> <span class="ident">ymdhms</span> <span class="op">=</span> <span class="op">|</span><span class="ident">y</span>,<span class="ident">m</span>,<span class="ident">d</span>,<span class="ident">h</span>,<span class="ident">n</span>,<span class="ident">s</span><span class="op">|</span> <span class="prelude-val">Ok</span>(<span class="ident">NaiveDate</span>::<span class="ident">from_ymd</span>(<span class="ident">y</span>, <span class="ident">m</span>, <span class="ident">d</span>).<span class="ident">and_hms</span>(<span class="ident">h</span>, <span class="ident">n</span>, <span class="ident">s</span>)); <span class="kw">let</span> <span class="ident">ymdhmsn</span> <span class="op">=</span> <span class="op">|</span><span class="ident">y</span>,<span class="ident">m</span>,<span class="ident">d</span>,<span class="ident">h</span>,<span class="ident">n</span>,<span class="ident">s</span>,<span class="ident">nano</span><span class="op">|</span> <span class="prelude-val">Ok</span>(<span class="ident">NaiveDate</span>::<span class="ident">from_ymd</span>(<span class="ident">y</span>, <span class="ident">m</span>, <span class="ident">d</span>).<span class="ident">and_hms_nano</span>(<span class="ident">h</span>, <span class="ident">n</span>, <span class="ident">s</span>, <span class="ident">nano</span>)); <span class="comment">// omission of fields</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2015</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">30</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">2</span>, <span class="ident">minute</span>: <span class="number">38</span>), <span class="ident">ymdhms</span>(<span class="number">2015</span>,<span class="number">1</span>,<span class="number">30</span>, <span class="number">14</span>,<span class="number">38</span>,<span class="number">0</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">1997</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">30</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">2</span>, <span class="ident">minute</span>: <span class="number">38</span>, <span class="ident">second</span>: <span class="number">5</span>), <span class="ident">ymdhms</span>(<span class="number">1997</span>,<span class="number">1</span>,<span class="number">30</span>, <span class="number">14</span>,<span class="number">38</span>,<span class="number">5</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">ordinal</span>: <span class="number">34</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">5</span>, <span class="ident">minute</span>: <span class="number">6</span>, <span class="ident">second</span>: <span class="number">7</span>, <span class="ident">nanosecond</span>: <span class="number">890_123_456</span>), <span class="ident">ymdhmsn</span>(<span class="number">2012</span>,<span class="number">2</span>,<span class="number">3</span>, <span class="number">5</span>,<span class="number">6</span>,<span class="number">7</span>,<span class="number">890_123_456</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">timestamp</span>: <span class="number">0</span>), <span class="ident">ymdhms</span>(<span class="number">1970</span>,<span class="number">1</span>,<span class="number">1</span>, <span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">timestamp</span>: <span class="number">1</span>, <span class="ident">nanosecond</span>: <span class="number">0</span>), <span class="ident">ymdhms</span>(<span class="number">1970</span>,<span class="number">1</span>,<span class="number">1</span>, <span class="number">0</span>,<span class="number">0</span>,<span class="number">1</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">timestamp</span>: <span class="number">1</span>, <span class="ident">nanosecond</span>: <span class="number">1</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">timestamp</span>: <span class="number">1_420_000_000</span>), <span class="ident">ymdhms</span>(<span class="number">2014</span>,<span class="number">12</span>,<span class="number">31</span>, <span class="number">4</span>,<span class="number">26</span>,<span class="number">40</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">timestamp</span>: <span class="op">-</span><span class="number">0x1_0000_0000</span>), <span class="ident">ymdhms</span>(<span class="number">1833</span>,<span class="number">11</span>,<span class="number">24</span>, <span class="number">17</span>,<span class="number">31</span>,<span class="number">44</span>)); <span class="comment">// full fields</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">year_div_100</span>: <span class="number">20</span>, <span class="ident">year_mod_100</span>: <span class="number">14</span>, <span class="ident">month</span>: <span class="number">12</span>, <span class="ident">day</span>: <span class="number">31</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">isoyear</span>: <span class="number">2015</span>, <span class="ident">isoyear_div_100</span>: <span class="number">20</span>, <span class="ident">isoyear_mod_100</span>: <span class="number">15</span>, <span class="ident">isoweek</span>: <span class="number">1</span>, <span class="ident">week_from_sun</span>: <span class="number">52</span>, <span class="ident">week_from_mon</span>: <span class="number">52</span>, <span class="ident">weekday</span>: <span class="ident">Wed</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">4</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">timestamp</span>: <span class="number">1_420_000_000</span>), <span class="ident">ymdhmsn</span>(<span class="number">2014</span>,<span class="number">12</span>,<span class="number">31</span>, <span class="number">4</span>,<span class="number">26</span>,<span class="number">40</span>,<span class="number">12_345_678</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">year_div_100</span>: <span class="number">20</span>, <span class="ident">year_mod_100</span>: <span class="number">14</span>, <span class="ident">month</span>: <span class="number">12</span>, <span class="ident">day</span>: <span class="number">31</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">isoyear</span>: <span class="number">2015</span>, <span class="ident">isoyear_div_100</span>: <span class="number">20</span>, <span class="ident">isoyear_mod_100</span>: <span class="number">15</span>, <span class="ident">isoweek</span>: <span class="number">1</span>, <span class="ident">week_from_sun</span>: <span class="number">52</span>, <span class="ident">week_from_mon</span>: <span class="number">52</span>, <span class="ident">weekday</span>: <span class="ident">Wed</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">4</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">timestamp</span>: <span class="number">1_419_999_999</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">offset</span> <span class="op">=</span> <span class="number">32400</span>; <span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">year_div_100</span>: <span class="number">20</span>, <span class="ident">year_mod_100</span>: <span class="number">14</span>, <span class="ident">month</span>: <span class="number">12</span>, <span class="ident">day</span>: <span class="number">31</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">isoyear</span>: <span class="number">2015</span>, <span class="ident">isoyear_div_100</span>: <span class="number">20</span>, <span class="ident">isoyear_mod_100</span>: <span class="number">15</span>, <span class="ident">isoweek</span>: <span class="number">1</span>, <span class="ident">week_from_sun</span>: <span class="number">52</span>, <span class="ident">week_from_mon</span>: <span class="number">52</span>, <span class="ident">weekday</span>: <span class="ident">Wed</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">4</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">timestamp</span>: <span class="number">1_419_967_600</span>), <span class="ident">ymdhmsn</span>(<span class="number">2014</span>,<span class="number">12</span>,<span class="number">31</span>, <span class="number">4</span>,<span class="number">26</span>,<span class="number">40</span>,<span class="number">12_345_678</span>)); <span class="comment">// more timestamps</span> <span class="kw">let</span> <span class="ident">max_days_from_year_1970</span> <span class="op">=</span> <span class="ident">date</span>::<span class="ident">MAX</span> <span class="op">-</span> <span class="ident">NaiveDate</span>::<span class="ident">from_ymd</span>(<span class="number">1970</span>,<span class="number">1</span>,<span class="number">1</span>); <span class="kw">let</span> <span class="ident">year_0_from_year_1970</span> <span class="op">=</span> <span class="ident">NaiveDate</span>::<span class="ident">from_ymd</span>(<span class="number">0</span>,<span class="number">1</span>,<span class="number">1</span>) <span class="op">-</span> <span class="ident">NaiveDate</span>::<span class="ident">from_ymd</span>(<span class="number">1970</span>,<span class="number">1</span>,<span class="number">1</span>); <span class="kw">let</span> <span class="ident">min_days_from_year_1970</span> <span class="op">=</span> <span class="ident">date</span>::<span class="ident">MIN</span> <span class="op">-</span> <span class="ident">NaiveDate</span>::<span class="ident">from_ymd</span>(<span class="number">1970</span>,<span class="number">1</span>,<span class="number">1</span>); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">timestamp</span>: <span class="ident">min_days_from_year_1970</span>.<span class="ident">num_seconds</span>()), <span class="ident">ymdhms</span>(<span class="ident">date</span>::<span class="ident">MIN</span>.<span class="ident">year</span>(),<span class="number">1</span>,<span class="number">1</span>, <span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">timestamp</span>: <span class="ident">year_0_from_year_1970</span>.<span class="ident">num_seconds</span>()), <span class="ident">ymdhms</span>(<span class="number">0</span>,<span class="number">1</span>,<span class="number">1</span>, <span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">timestamp</span>: <span class="ident">max_days_from_year_1970</span>.<span class="ident">num_seconds</span>() <span class="op">+</span> <span class="number">86399</span>), <span class="ident">ymdhms</span>(<span class="ident">date</span>::<span class="ident">MAX</span>.<span class="ident">year</span>(),<span class="number">12</span>,<span class="number">31</span>, <span class="number">23</span>,<span class="number">59</span>,<span class="number">59</span>)); <span class="comment">// leap seconds #1: partial fields</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">second</span>: <span class="number">59</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_798</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">second</span>: <span class="number">59</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_799</span>), <span class="ident">ymdhms</span>(<span class="number">2012</span>,<span class="number">6</span>,<span class="number">30</span>, <span class="number">23</span>,<span class="number">59</span>,<span class="number">59</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">second</span>: <span class="number">59</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_800</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">second</span>: <span class="number">60</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_799</span>), <span class="ident">ymdhmsn</span>(<span class="number">2012</span>,<span class="number">6</span>,<span class="number">30</span>, <span class="number">23</span>,<span class="number">59</span>,<span class="number">59</span>,<span class="number">1_000_000_000</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">second</span>: <span class="number">60</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_800</span>), <span class="ident">ymdhmsn</span>(<span class="number">2012</span>,<span class="number">6</span>,<span class="number">30</span>, <span class="number">23</span>,<span class="number">59</span>,<span class="number">59</span>,<span class="number">1_000_000_000</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">second</span>: <span class="number">0</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_800</span>), <span class="ident">ymdhms</span>(<span class="number">2012</span>,<span class="number">7</span>,<span class="number">1</span>, <span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">second</span>: <span class="number">1</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_800</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">second</span>: <span class="number">60</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_801</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="comment">// leap seconds #2: full fields</span> <span class="comment">// we need to have separate tests for them since it uses another control flow.</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">ordinal</span>: <span class="number">182</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">11</span>, <span class="ident">minute</span>: <span class="number">59</span>, <span class="ident">second</span>: <span class="number">59</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_798</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">ordinal</span>: <span class="number">182</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">11</span>, <span class="ident">minute</span>: <span class="number">59</span>, <span class="ident">second</span>: <span class="number">59</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_799</span>), <span class="ident">ymdhms</span>(<span class="number">2012</span>,<span class="number">6</span>,<span class="number">30</span>, <span class="number">23</span>,<span class="number">59</span>,<span class="number">59</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">ordinal</span>: <span class="number">182</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">11</span>, <span class="ident">minute</span>: <span class="number">59</span>, <span class="ident">second</span>: <span class="number">59</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_800</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">ordinal</span>: <span class="number">182</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">11</span>, <span class="ident">minute</span>: <span class="number">59</span>, <span class="ident">second</span>: <span class="number">60</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_799</span>), <span class="ident">ymdhmsn</span>(<span class="number">2012</span>,<span class="number">6</span>,<span class="number">30</span>, <span class="number">23</span>,<span class="number">59</span>,<span class="number">59</span>,<span class="number">1_000_000_000</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">ordinal</span>: <span class="number">182</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">11</span>, <span class="ident">minute</span>: <span class="number">59</span>, <span class="ident">second</span>: <span class="number">60</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_800</span>), <span class="ident">ymdhmsn</span>(<span class="number">2012</span>,<span class="number">6</span>,<span class="number">30</span>, <span class="number">23</span>,<span class="number">59</span>,<span class="number">59</span>,<span class="number">1_000_000_000</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">ordinal</span>: <span class="number">183</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">0</span>, <span class="ident">minute</span>: <span class="number">0</span>, <span class="ident">second</span>: <span class="number">0</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_800</span>), <span class="ident">ymdhms</span>(<span class="number">2012</span>,<span class="number">7</span>,<span class="number">1</span>, <span class="number">0</span>,<span class="number">0</span>,<span class="number">0</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">ordinal</span>: <span class="number">183</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">0</span>, <span class="ident">minute</span>: <span class="number">0</span>, <span class="ident">second</span>: <span class="number">1</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_800</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2012</span>, <span class="ident">ordinal</span>: <span class="number">182</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">11</span>, <span class="ident">minute</span>: <span class="number">59</span>, <span class="ident">second</span>: <span class="number">60</span>, <span class="ident">timestamp</span>: <span class="number">1_341_100_801</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="comment">// error codes</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2015</span>, <span class="ident">month</span>: <span class="number">1</span>, <span class="ident">day</span>: <span class="number">20</span>, <span class="ident">weekday</span>: <span class="ident">Tue</span>, <span class="ident">hour_div_12</span>: <span class="number">2</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">35</span>, <span class="ident">second</span>: <span class="number">20</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// `hour_div_12` is out of range</span> } <span class="attribute">#[<span class="ident">test</span>]</span> <span class="kw">fn</span> <span class="ident">test_parsed_to_datetime</span>() { <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">parse</span> { ($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>:<span class="ident">expr</span>),<span class="kw-2">*</span>) <span class="op">=></span> ( <span class="ident">Parsed</span> { $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>: <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>),)<span class="op">*</span> ..<span class="ident">Parsed</span>::<span class="ident">new</span>() }.<span class="ident">to_datetime</span>() ) } <span class="kw">let</span> <span class="ident">ymdhmsn</span> <span class="op">=</span> <span class="op">|</span><span class="ident">y</span>,<span class="ident">m</span>,<span class="ident">d</span>,<span class="ident">h</span>,<span class="ident">n</span>,<span class="ident">s</span>,<span class="ident">nano</span>,<span class="ident">off</span><span class="op">|</span> <span class="prelude-val">Ok</span>(<span class="ident">FixedOffset</span>::<span class="ident">east</span>(<span class="ident">off</span>).<span class="ident">ymd</span>(<span class="ident">y</span>, <span class="ident">m</span>, <span class="ident">d</span>) .<span class="ident">and_hms_nano</span>(<span class="ident">h</span>, <span class="ident">n</span>, <span class="ident">s</span>, <span class="ident">nano</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">offset</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">4</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>), <span class="prelude-val">Err</span>(<span class="ident">NOT_ENOUGH</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">4</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">offset</span>: <span class="number">0</span>), <span class="ident">ymdhmsn</span>(<span class="number">2014</span>,<span class="number">12</span>,<span class="number">31</span>, <span class="number">4</span>,<span class="number">26</span>,<span class="number">40</span>,<span class="number">12_345_678</span>, <span class="number">0</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">offset</span>: <span class="number">32400</span>), <span class="ident">ymdhmsn</span>(<span class="number">2014</span>,<span class="number">12</span>,<span class="number">31</span>, <span class="number">13</span>,<span class="number">26</span>,<span class="number">40</span>,<span class="number">12_345_678</span>, <span class="number">32400</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">42</span>, <span class="ident">second</span>: <span class="number">4</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">offset</span>: <span class="op">-</span><span class="number">9876</span>), <span class="ident">ymdhmsn</span>(<span class="number">2014</span>,<span class="number">12</span>,<span class="number">31</span>, <span class="number">1</span>,<span class="number">42</span>,<span class="number">4</span>,<span class="number">12_345_678</span>, <span class="op">-</span><span class="number">9876</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">year</span>: <span class="number">2015</span>, <span class="ident">ordinal</span>: <span class="number">1</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">4</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">offset</span>: <span class="number">86400</span>), <span class="prelude-val">Err</span>(<span class="ident">OUT_OF_RANGE</span>)); <span class="comment">// `FixedOffset` does not support such huge offset</span> } <span class="attribute">#[<span class="ident">test</span>]</span> <span class="kw">fn</span> <span class="ident">test_parsed_to_datetime_with_timezone</span>() { <span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">parse</span> { (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">tz</span>:<span class="ident">expr</span>; $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>:<span class="ident">ident</span>: <span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>:<span class="ident">expr</span>),<span class="kw-2">*</span>) <span class="op">=></span> ( <span class="ident">Parsed</span> { $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">k</span>: <span class="prelude-val">Some</span>(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">v</span>),)<span class="op">*</span> ..<span class="ident">Parsed</span>::<span class="ident">new</span>() }.<span class="ident">to_datetime_with_timezone</span>(<span class="kw-2">&</span><span class="macro-nonterminal">$</span><span class="macro-nonterminal">tz</span>) ) } <span class="comment">// single result from ymdhms</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">UTC</span>; <span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">4</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">offset</span>: <span class="number">0</span>), <span class="prelude-val">Ok</span>(<span class="ident">UTC</span>.<span class="ident">ymd</span>(<span class="number">2014</span>, <span class="number">12</span>, <span class="number">31</span>).<span class="ident">and_hms_nano</span>(<span class="number">4</span>, <span class="number">26</span>, <span class="number">40</span>, <span class="number">12_345_678</span>))); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">UTC</span>; <span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">offset</span>: <span class="number">32400</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">FixedOffset</span>::<span class="ident">east</span>(<span class="number">32400</span>); <span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">hour_div_12</span>: <span class="number">0</span>, <span class="ident">hour_mod_12</span>: <span class="number">4</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">offset</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">FixedOffset</span>::<span class="ident">east</span>(<span class="number">32400</span>); <span class="ident">year</span>: <span class="number">2014</span>, <span class="ident">ordinal</span>: <span class="number">365</span>, <span class="ident">hour_div_12</span>: <span class="number">1</span>, <span class="ident">hour_mod_12</span>: <span class="number">1</span>, <span class="ident">minute</span>: <span class="number">26</span>, <span class="ident">second</span>: <span class="number">40</span>, <span class="ident">nanosecond</span>: <span class="number">12_345_678</span>, <span class="ident">offset</span>: <span class="number">32400</span>), <span class="prelude-val">Ok</span>(<span class="ident">FixedOffset</span>::<span class="ident">east</span>(<span class="number">32400</span>).<span class="ident">ymd</span>(<span class="number">2014</span>, <span class="number">12</span>, <span class="number">31</span>) .<span class="ident">and_hms_nano</span>(<span class="number">13</span>, <span class="number">26</span>, <span class="number">40</span>, <span class="number">12_345_678</span>))); <span class="comment">// single result from timestamp</span> <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">UTC</span>; <span class="ident">timestamp</span>: <span class="number">1_420_000_000</span>, <span class="ident">offset</span>: <span class="number">0</span>), <span class="prelude-val">Ok</span>(<span class="ident">UTC</span>.<span class="ident">ymd</span>(<span class="number">2014</span>, <span class="number">12</span>, <span class="number">31</span>).<span class="ident">and_hms</span>(<span class="number">4</span>, <span class="number">26</span>, <span class="number">40</span>))); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">UTC</span>; <span class="ident">timestamp</span>: <span class="number">1_420_000_000</span>, <span class="ident">offset</span>: <span class="number">32400</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">FixedOffset</span>::<span class="ident">east</span>(<span class="number">32400</span>); <span class="ident">timestamp</span>: <span class="number">1_420_000_000</span>, <span class="ident">offset</span>: <span class="number">0</span>), <span class="prelude-val">Err</span>(<span class="ident">IMPOSSIBLE</span>)); <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="macro">parse</span><span class="macro">!</span>(<span class="ident">FixedOffset</span>::<span class="ident">east</span>(<span class="number">32400</span>); <span class="ident">timestamp</span>: <span class="number">1_420_000_000</span>, <span class="ident">offset</span>: <span class="number">32400</span>), <span class="prelude-val">Ok</span>(<span class="ident">FixedOffset</span>::<span class="ident">east</span>(<span class="number">32400</span>).<span class="ident">ymd</span>(<span class="number">2014</span>, <span class="number">12</span>, <span class="number">31</span>).<span class="ident">and_hms</span>(<span class="number">13</span>, <span class="number">26</span>, <span class="number">40</span>))); <span class="comment">// TODO test with a variable time zone (for None and Ambiguous cases)</span> } } </pre> </section> <section id='search' class="content hidden"></section> <section class="footer"></section> <aside id="help" class="hidden"> <div> <h1 class="hidden">Help</h1> <div class="shortcuts"> <h2>Keyboard Shortcuts</h2> <dl> <dt>?</dt> <dd>Show this help dialog</dd> <dt>S</dt> <dd>Focus the search field</dd> <dt>⇤</dt> <dd>Move up in search results</dd> <dt>⇥</dt> <dd>Move down in search results</dd> <dt>⏎</dt> <dd>Go to active search result</dd> <dt>+</dt> <dd>Collapse/expand all sections</dd> </dl> </div> <div class="infos"> <h2>Search Tricks</h2> <p> Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type. </p> <p> Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>. </p> <p> Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>) </p> </div> </div> </aside> <script> window.rootPath = "../../../"; window.currentCrate = "chrono"; </script> <script src="../../../main.js"></script> <script defer src="../../../search-index.js"></script> </body> </html>