<!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/hasufell/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.10/src/lib.rs`."> <meta name="keywords" content="rust, rustlang, rust-lang"> <title>lib.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"> 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<LICENSE-APACHE or</span> <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license</span> <span class="comment">// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your</span> <span class="comment">// option. This file may not be copied, modified, or distributed</span> <span class="comment">// except according to those terms.</span> <span class="doccomment">//! # Serde</span> <span class="doccomment">//!</span> <span class="doccomment">//! Serde is a framework for ***ser***ializing and ***de***serializing Rust data</span> <span class="doccomment">//! structures efficiently and generically.</span> <span class="doccomment">//!</span> <span class="doccomment">//! The Serde ecosystem consists of data structures that know how to serialize</span> <span class="doccomment">//! and deserialize themselves along with data formats that know how to</span> <span class="doccomment">//! serialize and deserialize other things. Serde provides the layer by which</span> <span class="doccomment">//! these two groups interact with each other, allowing any supported data</span> <span class="doccomment">//! structure to be serialized and deserialized using any supported data format.</span> <span class="doccomment">//!</span> <span class="doccomment">//! See the Serde website [https://serde.rs/] for additional documentation and</span> <span class="doccomment">//! usage examples.</span> <span class="doccomment">//!</span> <span class="doccomment">//! [https://serde.rs/]: https://serde.rs/</span> <span class="doccomment">//!</span> <span class="doccomment">//! ## Design</span> <span class="doccomment">//!</span> <span class="doccomment">//! Where many other languages rely on runtime reflection for serializing data,</span> <span class="doccomment">//! Serde is instead built on Rust's powerful trait system. A data structure</span> <span class="doccomment">//! that knows how to serialize and deserialize itself is one that implements</span> <span class="doccomment">//! Serde's `Serialize` and `Deserialize` traits (or uses Serde's derive</span> <span class="doccomment">//! attribute to automatically generate implementations at compile time). This</span> <span class="doccomment">//! avoids any overhead of reflection or runtime type information. In fact in</span> <span class="doccomment">//! many situations the interaction between data structure and data format can</span> <span class="doccomment">//! be completely optimized away by the Rust compiler, leaving Serde</span> <span class="doccomment">//! serialization to perform the same speed as a handwritten serializer for the</span> <span class="doccomment">//! specific selection of data structure and data format.</span> <span class="doccomment">//!</span> <span class="doccomment">//! ## Data formats</span> <span class="doccomment">//!</span> <span class="doccomment">//! The following is a partial list of data formats that have been implemented</span> <span class="doccomment">//! for Serde by the community.</span> <span class="doccomment">//!</span> <span class="doccomment">//! - [JSON], the ubiquitous JavaScript Object Notation used by many HTTP APIs.</span> <span class="doccomment">//! - [Bincode], a compact binary format</span> <span class="doccomment">//! used for IPC within the Servo rendering engine.</span> <span class="doccomment">//! - [CBOR], a Concise Binary Object Representation designed for small message</span> <span class="doccomment">//! size without the need for version negotiation.</span> <span class="doccomment">//! - [YAML], a popular human-friendly configuration language that ain't markup</span> <span class="doccomment">//! language.</span> <span class="doccomment">//! - [MessagePack], an efficient binary format that resembles a compact JSON.</span> <span class="doccomment">//! - [TOML], a minimal configuration format used by [Cargo].</span> <span class="doccomment">//! - [Pickle], a format common in the Python world.</span> <span class="doccomment">//! - [Hjson], a variant of JSON designed to be readable and writable by humans.</span> <span class="doccomment">//! - [BSON], the data storage and network transfer format used by MongoDB.</span> <span class="doccomment">//! - [URL], the x-www-form-urlencoded format.</span> <span class="doccomment">//! - [XML], the flexible machine-friendly W3C standard.</span> <span class="doccomment">//! *(deserialization only)*</span> <span class="doccomment">//! - [Envy], a way to deserialize environment variables into Rust structs.</span> <span class="doccomment">//! *(deserialization only)*</span> <span class="doccomment">//! - [Redis], deserialize values from Redis when using [redis-rs].</span> <span class="doccomment">//! *(deserialization only)*</span> <span class="doccomment">//!</span> <span class="doccomment">//! [JSON]: https://github.com/serde-rs/json</span> <span class="doccomment">//! [Bincode]: https://github.com/TyOverby/bincode</span> <span class="doccomment">//! [CBOR]: https://github.com/pyfisch/cbor</span> <span class="doccomment">//! [YAML]: https://github.com/dtolnay/serde-yaml</span> <span class="doccomment">//! [MessagePack]: https://github.com/3Hren/msgpack-rust</span> <span class="doccomment">//! [TOML]: https://github.com/alexcrichton/toml-rs</span> <span class="doccomment">//! [Pickle]: https://github.com/birkenfeld/serde-pickle</span> <span class="doccomment">//! [Hjson]: https://github.com/laktak/hjson-rust</span> <span class="doccomment">//! [BSON]: https://github.com/zonyitoo/bson-rs</span> <span class="doccomment">//! [URL]: https://github.com/nox/serde_urlencoded</span> <span class="doccomment">//! [XML]: https://github.com/RReverser/serde-xml-rs</span> <span class="doccomment">//! [Envy]: https://github.com/softprops/envy</span> <span class="doccomment">//! [Redis]: https://github.com/OneSignal/serde-redis</span> <span class="doccomment">//! [Cargo]: http://doc.crates.io/manifest.html</span> <span class="doccomment">//! [redis-rs]: https://crates.io/crates/redis</span> <span class="comment">////////////////////////////////////////////////////////////////////////////////</span> <span class="comment">// Serde types in rustdoc of other crates get linked to here.</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">doc</span>(<span class="ident">html_root_url</span> <span class="op">=</span> <span class="string">"https://docs.rs/serde/1.0.10"</span>)]</span> <span class="comment">// Support using Serde without the standard library!</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">cfg_attr</span>(<span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>), <span class="ident">no_std</span>)]</span> <span class="comment">// Unstable functionality only if the user asks for it. For tracking and</span> <span class="comment">// discussion of these features please refer to this issue:</span> <span class="comment">//</span> <span class="comment">// https://github.com/serde-rs/serde/issues/812</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">cfg_attr</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"unstable"</span>, <span class="ident">feature</span>(<span class="ident">nonzero</span>, <span class="ident">specialization</span>))]</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">cfg_attr</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"unstable"</span>), <span class="ident">feature</span>(<span class="ident">into_boxed_c_str</span>))]</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">cfg_attr</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>, <span class="ident">feature</span>(<span class="ident">alloc</span>))]</span> <span class="comment">// Whitelisted clippy lints.</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">cfg_attr</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"cargo-clippy"</span>, <span class="ident">allow</span>(<span class="ident">doc_markdown</span>))]</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">cfg_attr</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"cargo-clippy"</span>, <span class="ident">allow</span>(<span class="ident">linkedlist</span>))]</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">cfg_attr</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"cargo-clippy"</span>, <span class="ident">allow</span>(<span class="ident">type_complexity</span>))]</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">cfg_attr</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"cargo-clippy"</span>, <span class="ident">allow</span>(<span class="ident">zero_prefixed_literal</span>))]</span> <span class="comment">// Blacklisted Rust lints.</span> <span class="attribute">#<span class="op">!</span>[<span class="ident">deny</span>(<span class="ident">missing_docs</span>, <span class="ident">unused_imports</span>)]</span> <span class="comment">////////////////////////////////////////////////////////////////////////////////</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>)]</span> <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">alloc</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"unstable"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>))]</span> <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">core</span>; <span class="doccomment">/// A facade around all the types we need from the `std`, `core`, and `alloc`</span> <span class="doccomment">/// crates. This avoids elaborate import wrangling having to happen in every</span> <span class="doccomment">/// module.</span> <span class="kw">mod</span> <span class="ident">lib</span> { <span class="kw">mod</span> <span class="ident">core</span> { <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="kw-2">*</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">core</span>::<span class="kw-2">*</span>; } <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::{<span class="ident">cmp</span>, <span class="ident">iter</span>, <span class="ident">mem</span>, <span class="ident">ops</span>, <span class="ident">slice</span>, <span class="ident">str</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::{<span class="ident">i8</span>, <span class="ident">i16</span>, <span class="ident">i32</span>, <span class="ident">i64</span>, <span class="ident">isize</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::{<span class="ident">u8</span>, <span class="ident">u16</span>, <span class="ident">u32</span>, <span class="ident">u64</span>, <span class="ident">usize</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::{<span class="ident">f32</span>, <span class="ident">f64</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::<span class="ident">cell</span>::{<span class="ident">Cell</span>, <span class="ident">RefCell</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::<span class="ident">clone</span>::{<span class="self">self</span>, <span class="ident">Clone</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::<span class="ident">convert</span>::{<span class="self">self</span>, <span class="ident">From</span>, <span class="ident">Into</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::<span class="ident">default</span>::{<span class="self">self</span>, <span class="ident">Default</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::<span class="ident">fmt</span>::{<span class="self">self</span>, <span class="ident">Debug</span>, <span class="ident">Display</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::<span class="ident">marker</span>::{<span class="self">self</span>, <span class="ident">PhantomData</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::<span class="ident">option</span>::{<span class="self">self</span>, <span class="prelude-ty">Option</span>}; <span class="kw">pub</span> <span class="kw">use</span> <span class="self">self</span>::<span class="ident">core</span>::<span class="ident">result</span>::{<span class="self">self</span>, <span class="prelude-ty">Result</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">borrow</span>::{<span class="ident">Cow</span>, <span class="ident">ToOwned</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>, <span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">alloc</span>::<span class="ident">borrow</span>::{<span class="ident">Cow</span>, <span class="ident">ToOwned</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">string</span>::<span class="ident">String</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>, <span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">alloc</span>::<span class="ident">string</span>::{<span class="ident">String</span>, <span class="ident">ToString</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">vec</span>::<span class="ident">Vec</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>, <span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">alloc</span>::<span class="ident">vec</span>::<span class="ident">Vec</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">boxed</span>::<span class="ident">Box</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>, <span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">alloc</span>::<span class="ident">boxed</span>::<span class="ident">Box</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rc"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">rc</span>::<span class="ident">Rc</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rc"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>, <span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">alloc</span>::<span class="ident">rc</span>::<span class="ident">Rc</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rc"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">sync</span>::<span class="ident">Arc</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"rc"</span>, <span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>, <span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">alloc</span>::<span class="ident">arc</span>::<span class="ident">Arc</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::{<span class="ident">BinaryHeap</span>, <span class="ident">BTreeMap</span>, <span class="ident">BTreeSet</span>, <span class="ident">LinkedList</span>, <span class="ident">VecDeque</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">all</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"alloc"</span>, <span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)))]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">alloc</span>::{<span class="ident">BinaryHeap</span>, <span class="ident">BTreeMap</span>, <span class="ident">BTreeSet</span>, <span class="ident">LinkedList</span>, <span class="ident">VecDeque</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">error</span>, <span class="ident">net</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::{<span class="ident">HashMap</span>, <span class="ident">HashSet</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">ffi</span>::{<span class="ident">CString</span>, <span class="ident">CStr</span>, <span class="ident">OsString</span>, <span class="ident">OsStr</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">hash</span>::{<span class="ident">Hash</span>, <span class="ident">BuildHasher</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">io</span>::<span class="ident">Write</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">path</span>::{<span class="ident">Path</span>, <span class="ident">PathBuf</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">time</span>::{<span class="ident">Duration</span>, <span class="ident">SystemTime</span>, <span class="ident">UNIX_EPOCH</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"std"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">sync</span>::{<span class="ident">Mutex</span>, <span class="ident">RwLock</span>}; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"unstable"</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">core</span>::<span class="ident">nonzero</span>::{<span class="ident">NonZero</span>, <span class="ident">Zeroable</span>}; } <span class="comment">////////////////////////////////////////////////////////////////////////////////</span> <span class="attribute">#[<span class="ident">macro_use</span>]</span> <span class="kw">mod</span> <span class="ident">macros</span>; <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">ser</span>; <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">de</span>; <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">inline</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">ser</span>::{<span class="ident">Serialize</span>, <span class="ident">Serializer</span>}; <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">inline</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">de</span>::{<span class="ident">Deserialize</span>, <span class="ident">Deserializer</span>}; <span class="comment">// Generated code uses these to support no_std. Not public API.</span> <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">export</span>; <span class="comment">// Helpers used by generated code and doc tests. Not public API.</span> <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> <span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">private</span>; <span class="comment">// Re-export #[derive(Serialize, Deserialize)].</span> <span class="comment">//</span> <span class="comment">// This is a workaround for https://github.com/rust-lang/cargo/issues/1286.</span> <span class="comment">// Without this re-export, crates that put Serde derives behind a cfg_attr would</span> <span class="comment">// need to use some silly feature name that depends on both serde and</span> <span class="comment">// serde_derive.</span> <span class="comment">//</span> <span class="comment">// [features]</span> <span class="comment">// serde-impls = ["serde", "serde_derive"]</span> <span class="comment">//</span> <span class="comment">// [dependencies]</span> <span class="comment">// serde = { version = "1.0", optional = true }</span> <span class="comment">// serde_derive = { version = "1.0", optional = true }</span> <span class="comment">//</span> <span class="comment">// # Used like this:</span> <span class="comment">// # #[cfg(feature = "serde-impls")]</span> <span class="comment">// # #[macro_use]</span> <span class="comment">// # extern crate serde_derive;</span> <span class="comment">// #</span> <span class="comment">// # #[cfg_attr(feature = "serde-impls", derive(Serialize, Deserialize))]</span> <span class="comment">// # struct S { /* ... */ }</span> <span class="comment">//</span> <span class="comment">// The re-exported derives allow crates to use "serde" as the name of their</span> <span class="comment">// Serde feature which is more intuitive.</span> <span class="comment">//</span> <span class="comment">// [dependencies]</span> <span class="comment">// serde = { version = "1.0", optional = true, features = ["derive"] }</span> <span class="comment">//</span> <span class="comment">// # Used like this:</span> <span class="comment">// # #[cfg(feature = "serde")]</span> <span class="comment">// # #[macro_use]</span> <span class="comment">// # extern crate serde;</span> <span class="comment">// #</span> <span class="comment">// # #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]</span> <span class="comment">// # struct S { /* ... */ }</span> <span class="comment">//</span> <span class="comment">// The reason re-exporting is not enabled by default is that disabling it would</span> <span class="comment">// be annoying for crates that provide handwritten impls or data formats. They</span> <span class="comment">// would need to disable default features and then explicitly re-enable std.</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"serde_derive"</span>)]</span> <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">unused_imports</span>)]</span> <span class="attribute">#[<span class="ident">macro_use</span>]</span> <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">serde_derive</span>; <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"serde_derive"</span>)]</span> <span class="attribute">#[<span class="ident">doc</span>(<span class="ident">hidden</span>)]</span> <span class="kw">pub</span> <span class="kw">use</span> <span class="ident">serde_derive</span>::<span class="kw-2">*</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 = "serde"; </script> <script src="../../main.js"></script> <script defer src="../../search-index.js"></script> </body> </html>