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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="A `ByteSlice` which can be copied without violating dereference stability."><title>CopyableByteSlice in zerocopy::byte_slice - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="zerocopy" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.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]--><rustdoc-topbar><h2><a href="#">CopyableByteSlice</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../zerocopy/index.html">zerocopy</a><span class="version">0.8.39</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Copyable<wbr>Byte<wbr>Slice</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#safety" title="Safety">Safety</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-CopyableByteSlice-for-%26%5Bu8%5D" title="&[u8]">&[u8]</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In zerocopy::<wbr>byte_<wbr>slice</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">zerocopy</a>::<wbr><a href="index.html">byte_slice</a></div><h1>Trait <span class="trait">Copyable<wbr>Byte<wbr>Slice</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/zerocopy/byte_slice.rs.html#71">Source</a> </span></div><pre class="rust item-decl"><code>pub unsafe trait CopyableByteSlice:
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<a class="trait" href="trait.ByteSlice.html" title="trait zerocopy::byte_slice::ByteSlice">ByteSlice</a>
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+ <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a>
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+ <a class="trait" href="trait.CloneableByteSlice.html" title="trait zerocopy::byte_slice::CloneableByteSlice">CloneableByteSlice</a> { }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A <a href="trait.ByteSlice.html" title="trait zerocopy::byte_slice::ByteSlice"><code>ByteSlice</code></a> which can be copied without violating dereference stability.</p>
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<h2 id="safety"><a class="doc-anchor" href="#safety">§</a>Safety</h2>
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<p>If <code>B: CopyableByteSlice</code>, then the dereference stability properties
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required by <a href="trait.ByteSlice.html" title="trait zerocopy::byte_slice::ByteSlice"><code>ByteSlice</code></a> (see that trait’s safety documentation) do not
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only hold regarding two calls to <code>b.deref()</code> or <code>b.deref_mut()</code>, but also
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hold regarding <code>c.deref()</code> or <code>c.deref_mut()</code>, where <code>c</code> is produced by
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copying <code>b</code>.</p>
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</div></details><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.93.1/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><section id="impl-CopyableByteSlice-for-%26%5Bu8%5D" class="impl"><a class="src rightside" href="../../src/zerocopy/byte_slice.rs.html#202">Source</a><a href="#impl-CopyableByteSlice-for-%26%5Bu8%5D" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.CopyableByteSlice.html" title="trait zerocopy::byte_slice::CopyableByteSlice">CopyableByteSlice</a> for &[<a class="primitive" href="https://doc.rust-lang.org/1.93.1/core/primitive.u8.html">u8</a>]</h3></section><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"></div><script src="../../trait.impl/zerocopy/byte_slice/trait.CopyableByteSlice.js" data-ignore-extern-crates="core" async></script></section></div></main></body></html> |