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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 `Codec` trait in crate `proc_macro_api`."><title>Codec in proc_macro_api - 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="proc_macro_api" data-themes="" data-resource-suffix="" data-rustdoc-version="1.92.0 (ded5c06cf 2025-12-08)" data-channel="1.92.0" data-search-js="search-d69d8955.js" data-stringdex-js="stringdex-c3e638e9.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-ce535bd0.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="#">Codec</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../proc_macro_api/index.html">proc_<wbr>macro_<wbr>api</a><span class="version">0.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Codec</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.decode" title="decode">decode</a></li><li><a href="#tymethod.encode" title="encode">encode</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 proc_<wbr>macro_<wbr>api</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">proc_macro_api</a></div><h1>Trait <span class="trait">Codec</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/proc_macro_api/codec.rs.html#9-12">Source</a> </span></div><pre class="rust item-decl"><code>pub trait Codec: Framing {
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// Required methods
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fn <a href="#tymethod.encode" class="fn">encode</a><T: <a class="trait" href="https://docs.rs/serde_core/1.0.226/serde_core/ser/trait.Serialize.html" title="trait serde_core::ser::Serialize">Serialize</a>>(msg: <a class="primitive" href="https://doc.rust-lang.org/1.92.0/std/primitive.reference.html">&T</a>) -> <a class="type" href="https://doc.rust-lang.org/1.92.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><Self::Buf>;
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<span class="item-spacer"></span> fn <a href="#tymethod.decode" class="fn">decode</a><T: <a class="trait" href="https://docs.rs/serde_core/1.0.226/serde_core/de/trait.DeserializeOwned.html" title="trait serde_core::de::DeserializeOwned">DeserializeOwned</a>>(buf: &mut Self::Buf) -> <a class="type" href="https://doc.rust-lang.org/1.92.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><T>;
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}</code></pre><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><section id="tymethod.encode" class="method"><a class="src rightside" href="../src/proc_macro_api/codec.rs.html#10">Source</a><h4 class="code-header">fn <a href="#tymethod.encode" class="fn">encode</a><T: <a class="trait" href="https://docs.rs/serde_core/1.0.226/serde_core/ser/trait.Serialize.html" title="trait serde_core::ser::Serialize">Serialize</a>>(msg: <a class="primitive" href="https://doc.rust-lang.org/1.92.0/std/primitive.reference.html">&T</a>) -> <a class="type" href="https://doc.rust-lang.org/1.92.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><Self::Buf></h4></section><section id="tymethod.decode" class="method"><a class="src rightside" href="../src/proc_macro_api/codec.rs.html#11">Source</a><h4 class="code-header">fn <a href="#tymethod.decode" class="fn">decode</a><T: <a class="trait" href="https://docs.rs/serde_core/1.0.226/serde_core/de/trait.DeserializeOwned.html" title="trait serde_core::de::DeserializeOwned">DeserializeOwned</a>>(buf: &mut Self::Buf) -> <a class="type" href="https://doc.rust-lang.org/1.92.0/std/io/error/type.Result.html" title="type std::io::error::Result">Result</a><T></h4></section></div><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/1.92.0/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="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-Codec-for-JsonProtocol" class="impl"><a class="src rightside" href="../src/proc_macro_api/legacy_protocol/json.rs.html#46-58">Source</a><a href="#impl-Codec-for-JsonProtocol" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.Codec.html" title="trait proc_macro_api::Codec">Codec</a> for <a class="struct" href="legacy_protocol/json/struct.JsonProtocol.html" title="struct proc_macro_api::legacy_protocol::json::JsonProtocol">JsonProtocol</a></h3></section><section id="impl-Codec-for-PostcardProtocol" class="impl"><a class="src rightside" href="../src/proc_macro_api/legacy_protocol/postcard.rs.html#32-40">Source</a><a href="#impl-Codec-for-PostcardProtocol" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.Codec.html" title="trait proc_macro_api::Codec">Codec</a> for <a class="struct" href="legacy_protocol/postcard/struct.PostcardProtocol.html" title="struct proc_macro_api::legacy_protocol::postcard::PostcardProtocol">PostcardProtocol</a></h3></section></div><script src="../trait.impl/proc_macro_api/codec/trait.Codec.js" async></script></section></div></main></body></html> |