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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="Trait for types which are Pod when wrapped in Option."><title>PodInOption in bytemuck - 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="bytemuck" 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="#">PodInOption</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../bytemuck/index.html">bytemuck</a><span class="version">1.25.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">PodIn<wbr>Option</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-PodInOption-for-NonZero%3Ci8%3E" title="NonZeroI8">NonZeroI8</a></li><li><a href="#impl-PodInOption-for-NonZero%3Ci16%3E" title="NonZeroI16">NonZeroI16</a></li><li><a href="#impl-PodInOption-for-NonZero%3Ci32%3E" title="NonZeroI32">NonZeroI32</a></li><li><a href="#impl-PodInOption-for-NonZero%3Ci64%3E" title="NonZeroI64">NonZeroI64</a></li><li><a href="#impl-PodInOption-for-NonZero%3Ci128%3E" title="NonZeroI128">NonZeroI128</a></li><li><a href="#impl-PodInOption-for-NonZero%3Cisize%3E" title="NonZeroIsize">NonZeroIsize</a></li><li><a href="#impl-PodInOption-for-NonZero%3Cu8%3E" title="NonZeroU8">NonZeroU8</a></li><li><a href="#impl-PodInOption-for-NonZero%3Cu16%3E" title="NonZeroU16">NonZeroU16</a></li><li><a href="#impl-PodInOption-for-NonZero%3Cu32%3E" title="NonZeroU32">NonZeroU32</a></li><li><a href="#impl-PodInOption-for-NonZero%3Cu64%3E" title="NonZeroU64">NonZeroU64</a></li><li><a href="#impl-PodInOption-for-NonZero%3Cu128%3E" title="NonZeroU128">NonZeroU128</a></li><li><a href="#impl-PodInOption-for-NonZero%3Cusize%3E" title="NonZeroUsize">NonZeroUsize</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 class="in-crate"><a href="index.html">In crate bytemuck</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">bytemuck</a></div><h1>Trait <span class="trait">PodIn<wbr>Option</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/bytemuck/pod_in_option.rs.html#14">Source</a> </span></div><pre class="rust item-decl"><code>pub unsafe trait PodInOption:
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<a class="trait" href="trait.ZeroableInOption.html" title="trait bytemuck::ZeroableInOption">ZeroableInOption</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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+ 'static { }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Trait for types which are <a href="trait.Pod.html" title="trait bytemuck::Pod">Pod</a> when wrapped in
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<a href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>.</p>
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<h3 id="safety"><a class="doc-anchor" href="#safety">§</a>Safety</h3>
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<ul>
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<li><code>Option<T></code> must uphold the same invariants as <a href="trait.Pod.html" title="trait bytemuck::Pod">Pod</a>.</li>
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<li><strong>Reminder:</strong> pointers are <strong>not</strong> pod! <strong>Do not</strong> mix this trait with a
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newtype over <a href="https://doc.rust-lang.org/1.93.1/core/ptr/non_null/struct.NonNull.html" title="struct core::ptr::non_null::NonNull">NonNull</a>.</li>
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</ul>
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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-PodInOption-for-NonZero%3Ci8%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#16">Source</a><a href="#impl-PodInOption-for-NonZero%3Ci8%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroI8.html" title="type core::num::nonzero::NonZeroI8">NonZeroI8</a></h3></section><section id="impl-PodInOption-for-NonZero%3Ci16%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#17">Source</a><a href="#impl-PodInOption-for-NonZero%3Ci16%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroI16.html" title="type core::num::nonzero::NonZeroI16">NonZeroI16</a></h3></section><section id="impl-PodInOption-for-NonZero%3Ci32%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#18">Source</a><a href="#impl-PodInOption-for-NonZero%3Ci32%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroI32.html" title="type core::num::nonzero::NonZeroI32">NonZeroI32</a></h3></section><section id="impl-PodInOption-for-NonZero%3Ci64%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#19">Source</a><a href="#impl-PodInOption-for-NonZero%3Ci64%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroI64.html" title="type core::num::nonzero::NonZeroI64">NonZeroI64</a></h3></section><section id="impl-PodInOption-for-NonZero%3Ci128%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#20">Source</a><a href="#impl-PodInOption-for-NonZero%3Ci128%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroI128.html" title="type core::num::nonzero::NonZeroI128">NonZeroI128</a></h3></section><section id="impl-PodInOption-for-NonZero%3Cisize%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#21">Source</a><a href="#impl-PodInOption-for-NonZero%3Cisize%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroIsize.html" title="type core::num::nonzero::NonZeroIsize">NonZeroIsize</a></h3></section><section id="impl-PodInOption-for-NonZero%3Cu8%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#22">Source</a><a href="#impl-PodInOption-for-NonZero%3Cu8%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroU8.html" title="type core::num::nonzero::NonZeroU8">NonZeroU8</a></h3></section><section id="impl-PodInOption-for-NonZero%3Cu16%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#23">Source</a><a href="#impl-PodInOption-for-NonZero%3Cu16%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroU16.html" title="type core::num::nonzero::NonZeroU16">NonZeroU16</a></h3></section><section id="impl-PodInOption-for-NonZero%3Cu32%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#24">Source</a><a href="#impl-PodInOption-for-NonZero%3Cu32%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroU32.html" title="type core::num::nonzero::NonZeroU32">NonZeroU32</a></h3></section><section id="impl-PodInOption-for-NonZero%3Cu64%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#25">Source</a><a href="#impl-PodInOption-for-NonZero%3Cu64%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroU64.html" title="type core::num::nonzero::NonZeroU64">NonZeroU64</a></h3></section><section id="impl-PodInOption-for-NonZero%3Cu128%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#26">Source</a><a href="#impl-PodInOption-for-NonZero%3Cu128%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroU128.html" title="type core::num::nonzero::NonZeroU128">NonZeroU128</a></h3></section><section id="impl-PodInOption-for-NonZero%3Cusize%3E" class="impl"><a class="src rightside" href="../src/bytemuck/pod_in_option.rs.html#27">Source</a><a href="#impl-PodInOption-for-NonZero%3Cusize%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.PodInOption.html" title="trait bytemuck::PodInOption">PodInOption</a> for <a class="type" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/type.NonZeroUsize.html" title="type core::num::nonzero::NonZeroUsize">NonZeroUsize</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/bytemuck/pod_in_option/trait.PodInOption.js" data-ignore-extern-crates="core" async></script></section></div></main></body></html> |