edlang/tinyvec/macro.tiny_vec.html
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<!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="Helper to make a `TinyVec`."><title>tiny_vec in tinyvec - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="tinyvec" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.0 (051478957 2024-07-21)" data-channel="1.80.0" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-118b08c4c78b968e.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-df360f571f6edeae.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc macro"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../tinyvec/index.html">tinyvec</a><span class="version">1.8.0</span></h2></div><div class="sidebar-elems"></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Macro <a href="index.html">tinyvec</a>::<wbr><a class="macro" href="#">tiny_vec</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../src/tinyvec/tinyvec.rs.html#39-68">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><span class="macro">macro_rules!</span> tiny_vec {
(<span class="macro-nonterminal">$array_type</span>:ty =&gt; $(<span class="macro-nonterminal">$elem</span>:expr),* $(,)<span class="question-mark">?</span>) =&gt; { ... };
(<span class="macro-nonterminal">$array_type</span>:ty) =&gt; { ... };
($(<span class="macro-nonterminal">$elem</span>:expr),<span class="kw-2">*</span>) =&gt; { ... };
(<span class="macro-nonterminal">$elem</span>:expr; <span class="macro-nonterminal">$n</span>:expr) =&gt; { ... };
() =&gt; { ... };
}</pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Helper to make a <code>TinyVec</code>.</p>
<p>You specify the backing array type, and optionally give all the elements you
want to initially place into the array.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tinyvec::<span class="kw-2">*</span>;
<span class="comment">// The backing array type can be specified in the macro call
</span><span class="kw">let </span>empty_tv = <span class="macro">tiny_vec!</span>([u8; <span class="number">16</span>]);
<span class="kw">let </span>some_ints = <span class="macro">tiny_vec!</span>([i32; <span class="number">4</span>] =&gt; <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>);
<span class="kw">let </span>many_ints = <span class="macro">tiny_vec!</span>([i32; <span class="number">4</span>] =&gt; <span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">10</span>);
<span class="comment">// Or left to inference
</span><span class="kw">let </span>empty_tv: TinyVec&lt;[u8; <span class="number">16</span>]&gt; = <span class="macro">tiny_vec!</span>();
<span class="kw">let </span>some_ints: TinyVec&lt;[i32; <span class="number">4</span>]&gt; = <span class="macro">tiny_vec!</span>(<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>);
<span class="kw">let </span>many_ints: TinyVec&lt;[i32; <span class="number">4</span>]&gt; = <span class="macro">tiny_vec!</span>(<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>, <span class="number">4</span>, <span class="number">5</span>, <span class="number">6</span>, <span class="number">7</span>, <span class="number">8</span>, <span class="number">9</span>, <span class="number">10</span>);</code></pre></div>
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