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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="Serde is a framework for serializing and deserializing Rust data structures efficiently and generically."><title>serde_core - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="serde_core" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="../crates.js"></script><script defer src="../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod crate"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../serde_core/index.html">serde_core</a><span class="version">1.0.228</span></h2></div><div class="sidebar-elems"><ul class="block">
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<li><a id="all-types" href="all.html">All Items</a></li></ul><section><ul class="block"><li><a href="#modules">Modules</a></li><li><a href="#macros">Macros</a></li><li><a href="#traits">Traits</a></li></ul></section></div></nav><div class="sidebar-resizer"></div>
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<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../serde_core/all.html" title="show sidebar"></a></div><input class="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"><div id="help-button" tabindex="-1"><a href="../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Crate <a class="mod" href="#">serde_core</a><button id="copy-path" title="Copy item path to clipboard"><img src="../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../src/serde_core/lib.rs.html#1-121">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Serde is a framework for <em><strong>ser</strong></em>ializing and <em><strong>de</strong></em>serializing Rust data
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structures efficiently and generically.</p>
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<p>The <code>serde_core</code> crate contains Serde’s trait definitions with <strong>no support
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for #[derive()]</strong>.</p>
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<p>In crates that derive an implementation of <code>Serialize</code> or <code>Deserialize</code>, you
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must depend on the <a href="https://crates.io/crates/serde"><code>serde</code></a> crate, not <code>serde_core</code>.</p>
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<p>In crates that handwrite implementations of Serde traits, or only use them
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as trait bounds, depending on <code>serde_core</code> is permitted. But <code>serde</code>
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re-exports all of these traits and can be used for this use case too. If in
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doubt, disregard <code>serde_core</code> and always use <code>serde</code>.</p>
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<p>Crates that depend on <code>serde_core</code> instead of <code>serde</code> are able to compile in
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parallel with <code>serde_derive</code> even when <code>serde</code>’s “derive” feature is turned on,
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as shown in the following build timings.</p>
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<br>
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<table>
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<tr><td align="center">When <code>serde_json</code> depends on <code>serde</code></td></tr>
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<tr><td><img src="https://github.com/user-attachments/assets/78dc179c-6ab1-4059-928c-1474b0d9d0bb"></td></tr>
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</table>
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<br>
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<table>
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<tr><td align="center">When <code>serde_json</code> depends on <code>serde_core</code></td></tr>
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<tr><td><img src="https://github.com/user-attachments/assets/6b6cff5e-3e45-4ac7-9db1-d99ee8b9f5f7"></td></tr>
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</table></div></details><h2 id="modules" class="section-header"><a href="#modules">Modules</a></h2><ul class="item-table"><li><div class="item-name"><a class="mod" href="de/index.html" title="mod serde_core::de">de</a></div><div class="desc docblock-short">Generic data structure deserialization framework.</div></li><li><div class="item-name"><a class="mod" href="ser/index.html" title="mod serde_core::ser">ser</a></div><div class="desc docblock-short">Generic data structure serialization framework.</div></li></ul><h2 id="macros" class="section-header"><a href="#macros">Macros</a></h2><ul class="item-table"><li><div class="item-name"><a class="macro" href="macro.forward_to_deserialize_any.html" title="macro serde_core::forward_to_deserialize_any">forward_to_deserialize_any</a></div><div class="desc docblock-short">Helper macro when implementing the <code>Deserializer</code> part of a new data format
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for Serde.</div></li></ul><h2 id="traits" class="section-header"><a href="#traits">Traits</a></h2><ul class="item-table"><li><div class="item-name"><a class="trait" href="trait.Deserialize.html" title="trait serde_core::Deserialize">Deserialize</a></div><div class="desc docblock-short">A <strong>data structure</strong> that can be deserialized from any data format supported
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by Serde.</div></li><li><div class="item-name"><a class="trait" href="trait.Deserializer.html" title="trait serde_core::Deserializer">Deserializer</a></div><div class="desc docblock-short">A <strong>data format</strong> that can deserialize any data structure supported by
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Serde.</div></li><li><div class="item-name"><a class="trait" href="trait.Serialize.html" title="trait serde_core::Serialize">Serialize</a></div><div class="desc docblock-short">A <strong>data structure</strong> that can be serialized into any data format supported
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by Serde.</div></li><li><div class="item-name"><a class="trait" href="trait.Serializer.html" title="trait serde_core::Serializer">Serializer</a></div><div class="desc docblock-short">A <strong>data format</strong> that can serialize any data structure supported by Serde.</div></li></ul></section></div></main></body></html> |