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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="API documentation for the Rust `ExtendFromSlice` trait in crate `smallvec`."><meta name="keywords" content="rust, rustlang, rust-lang, ExtendFromSlice"><title>smallvec::ExtendFromSlice - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="../favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../smallvec/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Trait ExtendFromSlice</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.extend_from_slice">extend_from_slice</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-ExtendFromSlice%3CT%3E-for-Vec%3CT%3E">Vec<T></a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>smallvec</a></p><script>window.sidebarCurrent = {name: 'ExtendFromSlice', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../src/smallvec/lib.rs.html#222-225' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='index.html'>smallvec</a>::<wbr><a class="trait" href=''>ExtendFromSlice</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait ExtendFromSlice<T> {
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fn <a href='#tymethod.extend_from_slice' class='fnname'>extend_from_slice</a>(&mut self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[T]</a>);
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}</pre></div><div class='docblock'><p>Trait to be implemented by a collection that can be extended from a slice</p>
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<h2 id="example" class="section-header"><a href="#example">Example</a></h2>
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<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">smallvec</span>::{<span class="ident">ExtendFromSlice</span>, <span class="ident">SmallVec</span>};
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<span class="kw">fn</span> <span class="ident">initialize</span><span class="op"><</span><span class="ident">V</span>: <span class="ident">ExtendFromSlice</span><span class="op"><</span><span class="ident">u8</span><span class="op">></span><span class="op">></span>(<span class="ident">v</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">V</span>) {
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<span class="ident">v</span>.<span class="ident">extend_from_slice</span>(<span class="string">b"Test!"</span>);
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}
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vec</span> <span class="op">=</span> <span class="ident">Vec</span>::<span class="ident">new</span>();
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<span class="ident">initialize</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">vec</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">&</span><span class="ident">vec</span>, <span class="string">b"Test!"</span>);
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">small_vec</span> <span class="op">=</span> <span class="ident">SmallVec</span>::<span class="op"><</span>[<span class="ident">u8</span>; <span class="number">8</span>]<span class="op">></span>::<span class="ident">new</span>();
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<span class="ident">initialize</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">small_vec</span>);
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="kw-2">&</span><span class="ident">small_vec</span> <span class="kw">as</span> <span class="kw-2">&</span>[<span class="kw">_</span>], <span class="string">b"Test!"</span>);</pre></div>
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</div>
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<h2 id='required-methods' class='small-section-header'>Required methods<a href='#required-methods' class='anchor'></a></h2><div class='methods'><h3 id='tymethod.extend_from_slice' class='method'><code id='extend_from_slice.v'>fn <a href='#tymethod.extend_from_slice' class='fnname'>extend_from_slice</a>(&mut self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[T]</a>)</code></h3><div class='docblock'><p>Extends a collection from a slice of its element type</p>
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<h2 id='foreign-impls' class='small-section-header'>Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a></h2><h3 id='impl-ExtendFromSlice%3CT%3E-for-Vec%3CT%3E' class='impl'><code class='in-band'>impl<T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>> <a class="trait" href="../smallvec/trait.ExtendFromSlice.html" title="trait smallvec::ExtendFromSlice">ExtendFromSlice</a><T> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><T></code><a href='#impl-ExtendFromSlice%3CT%3E-for-Vec%3CT%3E' class='anchor'></a><a class='srclink' href='../src/smallvec/lib.rs.html#227-231' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.extend_from_slice' class="method hidden"><code id='extend_from_slice.v-1'>fn <a href='#method.extend_from_slice' class='fnname'>extend_from_slice</a>(&mut self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[T]</a>)</code><a class='srclink' href='../src/smallvec/lib.rs.html#228-230' title='goto source code'>[src]</a></h4></div><span class='loading-content'>Loading content...</span>
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<h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'><h3 id='impl-ExtendFromSlice%3C%3CA%20as%20Array%3E%3A%3AItem%3E' class='impl'><code class='in-band'>impl<A: <a class="trait" href="../smallvec/trait.Array.html" title="trait smallvec::Array">Array</a>> ExtendFromSlice<<A as <a class="trait" href="../smallvec/trait.Array.html" title="trait smallvec::Array">Array</a>>::<a class="type" href="../smallvec/trait.Array.html#associatedtype.Item" title="type smallvec::Array::Item">Item</a>> for <a class="struct" href="../smallvec/struct.SmallVec.html" title="struct smallvec::SmallVec">SmallVec</a><A> <span class="where fmt-newline">where<br> A::<a class="type" href="../smallvec/trait.Array.html#associatedtype.Item" title="type smallvec::Array::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a>, </span></code><a href='#impl-ExtendFromSlice%3C%3CA%20as%20Array%3E%3A%3AItem%3E' class='anchor'></a><a class='srclink' href='../src/smallvec/lib.rs.html#1325-1329' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.extend_from_slice-1' class="method hidden"><code id='extend_from_slice.v-2'>fn <a href='#method.extend_from_slice-1' class='fnname'>extend_from_slice</a>(&mut self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[</a>A::<a class="type" href="../smallvec/trait.Array.html#associatedtype.Item" title="type smallvec::Array::Item">Item</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>)</code><a class='srclink' href='../src/smallvec/lib.rs.html#1326-1328' title='goto source code'>[src]</a></h4></div></div><span class='loading-content'>Loading content...</span><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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