<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="A data structure that can be deserialized without borrowing any data from the deserializer."><title>DeserializeOwned in serde::de - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><linkrel="stylesheet"href="../../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../../static.files/rustdoc-5bc39a1768837dd0.css"><metaname="rustdoc-vars"data-root-path="../../"data-static-root-path="../../static.files/"data-current-crate="serde"data-themes=""data-resource-suffix=""data-rustdoc-version="1.77.0 (aedd173a2 2024-03-17)"data-channel="1.77.0"data-search-js="search-dd67cee4cfa65049.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="../../static.files/storage-4c98445ec4002617.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../static.files/main-48f368f3872407c8.js"></script><noscript><linkrel="stylesheet"href="../../static.files/noscript-04d5337699b92874.css"></noscript><linkrel="alternate icon"type="image/png"href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><linkrel="alternate icon"type="image/png"href="../../static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="../../static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle"title="show sidebar"></button></nav><navclass="sidebar"><divclass="sidebar-crate"><h2><ahref="../../serde/index.html">serde</a><spanclass="version">1.0.197</span></h2></div><h2class="location"><ahref="#">DeserializeOwned</a></h2><divclass="sidebar-elems"><section><h3><ahref="#object-safety">Object Safety</a></h3><h3><ahref="#implementors">Implementors</a></h3></section><h2><ahref="index.html">In serde::de</a></h2></div></nav><divclass="sidebar-resizer"></div>
<main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../../serde/all.html"title="show sidebar"></a></div><inputclass="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"><divid="help-button"tabindex="-1"><ahref="../../help.html"title="help">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1>Trait <ahref="../index.html">serde</a>::<wbr><ahref="index.html">de</a>::<wbr><aclass="trait"href="#">DeserializeOwned</a><buttonid="copy-path"title="Copy item path to clipboard"><imgsrc="../../static.files/clipboard-7571035ce49a181d.svg"width="19"height="18"alt="Copy item path"></button></h1><spanclass="out-of-band"><aclass="src"href="../../src/serde/de/mod.rs.html#607">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub trait DeserializeOwned: for<'de><aclass="trait"href="../trait.Deserialize.html"title="trait serde::Deserialize">Deserialize</a><'de> { }</code></pre><detailsclass="toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>A data structure that can be deserialized without borrowing any data from
the deserializer.</p>
<p>This is primarily useful for trait bounds on functions. For example a
<code>from_str</code> function may be able to deserialize a data structure that borrows
from the input string, but a <code>from_reader</code> function may only deserialize
owned data.</p>
<divclass="example-wrap edition"><ahref="#"class="tooltip"title="This example runs with edition 2021">ⓘ</a><preclass="rust rust-example-rendered"><code><spanclass="kw">fn </span>from_str<<spanclass="lifetime">'a</span>, T>(s: <spanclass="kw-2">&</span><spanclass="lifetime">'a </span>str) -><spanclass="prelude-ty">Result</span><T>
</div></details><h2id="object-safety"class="section-header">Object Safety<ahref="#object-safety"class="anchor">§</a></h2><divclass="object-safety-info">This trait is <b>not</b><ahref="https://doc.rust-lang.org/1.77.0/reference/items/traits.html#object-safety">object safe</a>.</div><h2id="implementors"class="section-header">Implementors<ahref="#implementors"class="anchor">§</a></h2><divid="implementors-list"><sectionid="impl-DeserializeOwned-for-T"class="impl"><aclass="src rightside"href="../../src/serde/de/mod.rs.html#608">source</a><ahref="#impl-DeserializeOwned-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="trait.DeserializeOwned.html"title="trait serde::de::DeserializeOwned">DeserializeOwned</a> for T<divclass="where">where
