149 lines
7.3 KiB
HTML
149 lines
7.3 KiB
HTML
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<meta name="description" content="API documentation for the Rust `ordermap` macro in crate `ordermap`.">
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<meta name="keywords" content="rust, rustlang, rust-lang, ordermap">
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<title>ordermap::ordermap - Rust</title>
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<body class="rustdoc macro">
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<div class="sidebar-menu">☰</div>
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<p class='location'><a href='index.html'>ordermap</a></p><script>window.sidebarCurrent = {name: 'ordermap', ty: 'macro', relpath: ''};</script><script defer src="sidebar-items.js"></script>
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<section id='main' class="content">
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<h1 class='fqn'><span class='in-band'>Macro <a href='index.html'>ordermap</a>::<wbr><a class="macro" href=''>ordermap</a></span><span class='out-of-band'><span id='render-detail'>
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[<span class='inner'>−</span>]
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</a>
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</span><a class='srclink' href='../src/ordermap/macros.rs.html#23-38' 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">ordermap</span> {
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(@<span class="ident">single</span> $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">x</span>:<span class="ident">tt</span>)<span class="kw-2">*</span>) <span class="op">=></span> { ... };
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(@<span class="ident">count</span> $(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">rest</span>:<span class="ident">expr</span>),<span class="kw-2">*</span>) <span class="op">=></span> { ... };
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($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">key</span>:<span class="ident">expr</span> <span class="op">=></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>:<span class="ident">expr</span>,)<span class="op">+</span>) <span class="op">=></span> { ... };
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($(<span class="macro-nonterminal">$</span><span class="macro-nonterminal">key</span>:<span class="ident">expr</span> <span class="op">=></span> <span class="macro-nonterminal">$</span><span class="macro-nonterminal">value</span>:<span class="ident">expr</span>),<span class="kw-2">*</span>) <span class="op">=></span> { ... };
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}</pre>
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<div class='docblock'><p>Create an <code>OrderMap</code> from a list of key-value pairs</p>
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<h2 id="example" class="section-header"><a href="#example">Example</a></h2>
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<pre class="rust rust-example-rendered">
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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">ordermap</span>;
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<span class="kw">let</span> <span class="ident">map</span> <span class="op">=</span> <span class="macro">ordermap</span><span class="macro">!</span>{
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<span class="string">"a"</span> <span class="op">=></span> <span class="number">1</span>,
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<span class="string">"b"</span> <span class="op">=></span> <span class="number">2</span>,
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};
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">map</span>[<span class="string">"a"</span>], <span class="number">1</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">map</span>[<span class="string">"b"</span>], <span class="number">2</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">map</span>.<span class="ident">get</span>(<span class="string">"c"</span>), <span class="prelude-val">None</span>);
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<span class="comment">// "a" is the first key</span>
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">map</span>.<span class="ident">keys</span>().<span class="ident">next</span>(), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="string">"a"</span>));</pre>
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</div></section>
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<h1 class="hidden">Help</h1>
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Accepted types are: <code>fn</code>, <code>mod</code>,
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and <code>const</code>.
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Search functions by type signature (e.g.
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window.currentCrate = "ordermap";
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