2017-07-14 23:24:09 +00:00
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2017-07-14 23:30:16 +00:00
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2017-07-14 23:24:09 +00:00
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2017-07-14 23:30:16 +00:00
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<title>synom::tuple - Rust</title>
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2017-07-14 23:24:09 +00:00
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2017-07-14 23:30:16 +00:00
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2017-07-14 23:24:09 +00:00
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<section id='main' class="content">
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2017-07-14 23:30:16 +00:00
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<h1 class='fqn'><span class='in-band'>Macro <a href='index.html'>synom</a>::<wbr><a class="macro" href=''>tuple</a></span><span class='out-of-band'><span id='render-detail'>
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2017-07-14 23:24:09 +00:00
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2017-07-14 23:30:16 +00:00
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</span><a class='srclink' href='../src/synom/lib.rs.html#1022-1026' title='goto source code'>[src]</a></span></h1>
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<pre class="rust macro">
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<span class="macro">macro_rules</span><span class="macro">!</span> <span class="ident">tuple</span> {
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(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">expr</span>, $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">rest</span>:<span class="ident">tt</span>)<span class="kw-2">*</span>) <span class="op">=></span> { ... };
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}</pre>
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<div class='docblock'><p>Run a series of parsers and produce all of the results in a tuple.</p>
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<ul>
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<li><strong>Syntax:</strong> <code>tuple!(A, B, C, ...)</code></li>
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<li><strong>Output:</strong> <code>(A, B, C, ...)</code></li>
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</ul>
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<pre class="rust rust-example-rendered">
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<span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">syn</span>;
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<span class="attribute">#[<span class="ident">macro_use</span>]</span> <span class="kw">extern</span> <span class="kw">crate</span> <span class="ident">synom</span>;
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<span class="kw">use</span> <span class="ident">syn</span>::<span class="ident">Ty</span>;
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<span class="kw">use</span> <span class="ident">syn</span>::<span class="ident">parse</span>::<span class="ident">ty</span>;
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<span class="macro">named</span><span class="macro">!</span>(<span class="ident">two_types</span> <span class="op">-></span> (<span class="ident">Ty</span>, <span class="ident">Ty</span>), <span class="macro">tuple</span><span class="macro">!</span>(<span class="ident">ty</span>, <span class="ident">ty</span>));
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<span class="kw">fn</span> <span class="ident">main</span>() {
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<span class="kw">let</span> <span class="ident">input</span> <span class="op">=</span> <span class="string">"&str Map<K, V>"</span>;
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<span class="kw">let</span> <span class="ident">parsed</span> <span class="op">=</span> <span class="ident">two_types</span>(<span class="ident">input</span>).<span class="ident">expect</span>(<span class="string">"two types"</span>);
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<span class="macro">println</span><span class="macro">!</span>(<span class="string">"{:?}"</span>, <span class="ident">parsed</span>);
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}</pre>
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