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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 `DeserializeOwned` trait in crate `serde`."><meta name="keywords" content="rust, rustlang, rust-lang, DeserializeOwned"><title>serde::de::DeserializeOwned - 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='../../serde/index.html'><div class='logo-container'><img src='../../rust-logo.png' alt='logo'></div></a><p class='location'>Trait DeserializeOwned</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>serde</a>::<wbr><a href='index.html'>de</a></p><script>window.sidebarCurrent = {name: 'DeserializeOwned', 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/serde/de/mod.rs.html#596' title='goto source code'>[src]</a></span><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></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait DeserializeOwned: for<'de> <a class="trait" href="../../serde/trait.Deserialize.html" title="trait serde::Deserialize">Deserialize</a><'de> { }</pre></div><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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<pre><code class="language-edition2018"># use serde::de::{Deserialize, DeserializeOwned};
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# use std::io::{Read, Result};
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#
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# trait Ignore {
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fn from_str<'a, T>(s: &'a str) -> Result<T>
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where
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T: Deserialize<'a>;
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fn from_reader<R, T>(rdr: R) -> Result<T>
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where
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R: Read,
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T: DeserializeOwned;
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# }
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</code></pre>
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<h1 id="lifetime" class="section-header"><a href="#lifetime">Lifetime</a></h1>
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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>
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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-DeserializeOwned' class='impl'><code class='in-band'>impl<T> DeserializeOwned for T <span class="where fmt-newline">where<br> T: for<'de> <a class="trait" href="../../serde/trait.Deserialize.html" title="trait serde::Deserialize">Deserialize</a><'de>, </span></code><a href='#impl-DeserializeOwned' class='anchor'></a><a class='srclink' href='../../src/serde/de/mod.rs.html#597' title='goto source code'>[src]</a></h3><div class='impl-items'></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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src="../../implementors/serde/de/trait.DeserializeOwned.js">
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