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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 data structure that can be deserialized without borrowing any data from the deserializer."><meta name="keywords" content="rust, rustlang, rust-lang, DeserializeOwned"><title>DeserializeOwned in serde::de - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><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="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><script defer src="../../main.js"></script>
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</a><h2 class="location">Trait DeserializeOwned</h2><div class="sidebar-elems"><div class="block items"><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div><h2 class="location">Other items in<br><a href="../index.html">serde</a>::<wbr><a href="index.html">de</a></h2><div id="sidebar-vars" data-name="DeserializeOwned" data-ty="trait" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../serde/index.html"><img class="rust-logo" src="../../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><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><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><h1 class="fqn"><span class="in-band">Trait <a href="../index.html">serde</a>::<wbr><a href="index.html">de</a>::<wbr><a class="trait" href="#">DeserializeOwned</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span><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/serde/de/mod.rs.html#604" title="goto source code">[src]</a></span></h1><div class="docblock item-decl"><pre class="rust trait"><code>pub trait DeserializeOwned: for<'de> <a class="trait" href="../trait.Deserialize.html" title="trait serde::Deserialize">Deserialize</a><'de> { }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A data structure that can be deserialized without borrowing any data from
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the deserializer.</p>
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<p>This is primarily useful for trait bounds on functions. For example a
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<code>from_str</code> function may be able to deserialize a data structure that borrows
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from the input string, but a <code>from_reader</code> function may only deserialize
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owned data.</p>
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<div class='information'><div class='tooltip edition' data-edition="2018">ⓘ</div></div><div class="example-wrap"><pre class="rust rust-example-rendered edition"><code><span class="kw">fn</span> <span class="ident">from_str</span><span class="op"><</span><span class="lifetime">'a</span>, <span class="ident">T</span><span class="op">></span>(<span class="ident">s</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
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<span class="kw">where</span>
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<span class="ident">T</span>: <span class="ident">Deserialize</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>;
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<span class="kw">fn</span> <span class="ident">from_reader</span><span class="op"><</span><span class="ident">R</span>, <span class="ident">T</span><span class="op">></span>(<span class="ident">rdr</span>: <span class="ident">R</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>
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<span class="kw">where</span>
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<span class="ident">R</span>: <span class="ident">Read</span>,
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<span class="ident">T</span>: <span class="ident">DeserializeOwned</span>;</code></pre></div>
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<h2 id="lifetime" class="section-header"><a href="#lifetime">Lifetime</a></h2>
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<p>The relationship between <code>Deserialize</code> and <code>DeserializeOwned</code> in trait
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bounds is explained in more detail on the page <a href="https://serde.rs/lifetimes.html">Understanding deserializer
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lifetimes</a>.</p>
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</div></details><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><div id="impl-DeserializeOwned" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../../src/serde/de/mod.rs.html#605" title="goto source code">[src]</a></div><a href="#impl-DeserializeOwned" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="trait.DeserializeOwned.html" title="trait serde::de::DeserializeOwned">DeserializeOwned</a> for T <span class="where fmt-newline">where<br> T: for<'de> <a class="trait" href="../trait.Deserialize.html" title="trait serde::Deserialize">Deserialize</a><'de>, </span></h3></div></div><script type="text/javascript" src="../../implementors/serde/de/trait.DeserializeOwned.js" async></script></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="serde" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.59.0 (9d1b2106e 2022-02-23)" ></div>
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