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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="Slice methods that use `Box` and `Vec` from this crate."><title>SliceExt in allocator_api2 - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="allocator_api2" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><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 trait"><!--[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">☰</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../allocator_api2/index.html">allocator_api2</a><span class="version">0.2.16</span></h2></div><h2 class="location"><a href="#">SliceExt</a></h2><div class="sidebar-elems"><section><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.repeat">repeat</a></li><li><a href="#tymethod.to_vec_in">to_vec_in</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.to_vec">to_vec</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-SliceExt%3CT%3E-for-%5BT%5D">[T]</a></li></ul><h3><a href="#object-safety">Object Safety</a></h3><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In crate allocator_api2</a></h2></div></nav><div class="sidebar-resizer"></div>
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../allocator_api2/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Trait <a href="index.html">allocator_api2</a>::<wbr><a class="trait" href="#">SliceExt</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/allocator_api2/stable/slice.rs.html#7-67">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><pre class="rust item-decl"><code>pub trait SliceExt<T> {
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// Required methods
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fn <a href="#tymethod.to_vec_in" class="fn">to_vec_in</a><A: <a class="trait" href="alloc/trait.Allocator.html" title="trait allocator_api2::alloc::Allocator">Allocator</a>>(&self, alloc: A) -> <a class="struct" href="vec/struct.Vec.html" title="struct allocator_api2::vec::Vec">Vec</a><T, A>
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<span class="where">where T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a></span>;
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<span class="item-spacer"></span> fn <a href="#tymethod.repeat" class="fn">repeat</a>(&self, n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="struct" href="vec/struct.Vec.html" title="struct allocator_api2::vec::Vec">Vec</a><T, <a class="struct" href="alloc/struct.Global.html" title="struct allocator_api2::alloc::Global">Global</a>>
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<span class="where">where T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a></span>;
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// Provided method
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fn <a href="#method.to_vec" class="fn">to_vec</a>(&self) -> <a class="struct" href="vec/struct.Vec.html" title="struct allocator_api2::vec::Vec">Vec</a><T, <a class="struct" href="alloc/struct.Global.html" title="struct allocator_api2::alloc::Global">Global</a>>
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<span class="where">where T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a></span> { ... }
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}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Slice methods that use <code>Box</code> and <code>Vec</code> from this crate.</p>
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</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.to_vec_in" class="method"><a class="src rightside" href="../src/allocator_api2/stable/slice.rs.html#40-42">source</a><h4 class="code-header">fn <a href="#tymethod.to_vec_in" class="fn">to_vec_in</a><A: <a class="trait" href="alloc/trait.Allocator.html" title="trait allocator_api2::alloc::Allocator">Allocator</a>>(&self, alloc: A) -> <a class="struct" href="vec/struct.Vec.html" title="struct allocator_api2::vec::Vec">Vec</a><T, A><div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h4></section></summary><div class="docblock"><p>Copies <code>self</code> into a new <code>Vec</code> with an allocator.</p>
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<h5 id="examples"><a href="#examples">Examples</a></h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="attr">#![feature(allocator_api)]
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</span><span class="kw">use </span>std::alloc::System;
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<span class="kw">let </span>s = [<span class="number">10</span>, <span class="number">40</span>, <span class="number">30</span>];
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<span class="kw">let </span>x = s.to_vec_in(System);
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<span class="comment">// Here, `s` and `x` can be modified independently.</span></code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.repeat" class="method"><a class="src rightside" href="../src/allocator_api2/stable/slice.rs.html#64-66">source</a><h4 class="code-header">fn <a href="#tymethod.repeat" class="fn">repeat</a>(&self, n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="struct" href="vec/struct.Vec.html" title="struct allocator_api2::vec::Vec">Vec</a><T, <a class="struct" href="alloc/struct.Global.html" title="struct allocator_api2::alloc::Global">Global</a>><div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a>,</div></h4></section></summary><div class="docblock"><p>Creates a vector by copying a slice <code>n</code> times.</p>
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<h5 id="panics"><a href="#panics">Panics</a></h5>
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<p>This function will panic if the capacity would overflow.</p>
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<h5 id="examples-1"><a href="#examples-1">Examples</a></h5>
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<p>Basic usage:</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="macro">assert_eq!</span>([<span class="number">1</span>, <span class="number">2</span>].repeat(<span class="number">3</span>), <span class="macro">vec!</span>[<span class="number">1</span>, <span class="number">2</span>, <span class="number">1</span>, <span class="number">2</span>, <span class="number">1</span>, <span class="number">2</span>]);</code></pre></div>
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<p>A panic upon overflow:</p>
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<div class="example-wrap should_panic"><a href="#" class="tooltip" title="This example panics">ⓘ</a><pre class="rust rust-example-rendered"><code><span class="comment">// this will panic at runtime
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</span><span class="string">b"0123456789abcdef"</span>.repeat(usize::MAX);</code></pre></div>
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</div></details></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.to_vec" class="method"><a class="src rightside" href="../src/allocator_api2/stable/slice.rs.html#19-24">source</a><h4 class="code-header">fn <a href="#method.to_vec" class="fn">to_vec</a>(&self) -> <a class="struct" href="vec/struct.Vec.html" title="struct allocator_api2::vec::Vec">Vec</a><T, <a class="struct" href="alloc/struct.Global.html" title="struct allocator_api2::alloc::Global">Global</a>><div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h4></section></summary><div class="docblock"><p>Copies <code>self</code> into a new <code>Vec</code>.</p>
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<h5 id="examples-2"><a href="#examples-2">Examples</a></h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let </span>s = [<span class="number">10</span>, <span class="number">40</span>, <span class="number">30</span>];
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<span class="kw">let </span>x = s.to_vec();
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<span class="comment">// Here, `s` and `x` can be modified independently.</span></code></pre></div>
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</div></details></div><h2 id="object-safety" class="section-header">Object Safety<a href="#object-safety" class="anchor">§</a></h2><div class="object-safety-info">This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.76.0/reference/items/traits.html#object-safety">object safe</a>.</div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-SliceExt%3CT%3E-for-%5BT%5D" class="impl"><a class="src rightside" href="../src/allocator_api2/stable/slice.rs.html#69-171">source</a><a href="#impl-SliceExt%3CT%3E-for-%5BT%5D" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="trait.SliceExt.html" title="trait allocator_api2::SliceExt">SliceExt</a><T> for <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.slice.html">[T]</a></h3></section></summary><div class="impl-items"><section id="method.to_vec_in" class="method trait-impl"><a class="src rightside" href="../src/allocator_api2/stable/slice.rs.html#72-110">source</a><a href="#method.to_vec_in" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.to_vec_in" class="fn">to_vec_in</a><A: <a class="trait" href="alloc/trait.Allocator.html" title="trait allocator_api2::alloc::Allocator">Allocator</a>>(&self, alloc: A) -> <a class="struct" href="vec/struct.Vec.html" title="struct allocator_api2::vec::Vec">Vec</a><T, A><div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h4></section><section id="method.repeat" class="method trait-impl"><a class="src rightside" href="../src/allocator_api2/stable/slice.rs.html#114-170">source</a><a href="#method.repeat" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.repeat" class="fn">repeat</a>(&self, n: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/core/primitive.usize.html">usize</a>) -> <a class="struct" href="vec/struct.Vec.html" title="struct allocator_api2::vec::Vec">Vec</a><T, <a class="struct" href="alloc/struct.Global.html" title="struct allocator_api2::alloc::Global">Global</a>><div class="where">where
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T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a>,</div></h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"></div><script src="../trait.impl/allocator_api2/stable/slice/trait.SliceExt.js" data-ignore-extern-crates="core" async></script></section></div></main></body></html> |