140 lines
5.5 KiB
HTML
140 lines
5.5 KiB
HTML
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<meta name="keywords" content="rust, rustlang, rust-lang, interpose">
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<title>mentat_core::interpose - Rust</title>
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<p class='location'><a href='index.html'>mentat_core</a></p><script>window.sidebarCurrent = {name: 'interpose', 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'>mentat_core</a>::<wbr><a class="macro" href=''>interpose</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../src/mentat_core/lib.rs.html#228-232' 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">interpose</span> {
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( <span class="macro-nonterminal">$</span><span class="macro-nonterminal">name</span>: <span class="ident">pat</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">across</span>: <span class="ident">expr</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">body</span>: <span class="ident">block</span>, <span class="macro-nonterminal">$</span><span class="macro-nonterminal">inter</span>: <span class="ident">block</span> ) <span class="op">=></span> { ... };
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}</pre>
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<div class='docblock'><p>A helper macro to sequentially process an iterable sequence,
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evaluating a block between each pair of items.</p>
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<p>This is used to simply and efficiently produce output like</p>
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<pre><code class="language-sql"> 1, 2, 3
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</code></pre>
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<p>or</p>
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<pre><code class="language-sql">x = 1 AND y = 2
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</code></pre>
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<p>without producing an intermediate string sequence.</p>
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</div></section>
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<h2>Keyboard Shortcuts</h2>
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<div class="infos">
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<h2>Search Tricks</h2>
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<p>
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Accepted types are: <code>fn</code>, <code>mod</code>,
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<code>struct</code>, <code>enum</code>,
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<code>trait</code>, <code>type</code>, <code>macro</code>,
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and <code>const</code>.
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</p>
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<p>
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Search functions by type signature (e.g.
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<code>vec -> usize</code> or <code>* -> vec</code>)
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