| <!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="Trait used by `Serialize` implementations to generically construct errors belonging to the `Serializer` against which they are currently running."><meta name="keywords" content="rust, rustlang, rust-lang, Error"><title>Error in serde::ser - 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" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.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]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../serde/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../serde/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Error</a></h2><div class="sidebar-elems"><section><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.custom">custom</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-Error-for-Error">Error</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In serde::ser</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Trait <a href="../index.html">serde</a>::<wbr><a href="index.html">ser</a>::<wbr><a class="trait" href="#">Error</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></h1><span class="out-of-band"><a class="srclink" href="../../src/serde/ser/mod.rs.html#186">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust trait"><code>pub trait Error: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/error/trait.Error.html" title="trait core::error::Error">StdError</a> { |
| fn <a href="#tymethod.custom" class="fnname">custom</a><T>(msg: T) -> Self<br> <span class="where">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a></span>; |
| }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Trait used by <code>Serialize</code> implementations to generically construct |
| errors belonging to the <code>Serializer</code> against which they are |
| currently running.</p> |
| <h2 id="example-implementation"><a href="#example-implementation">Example implementation</a></h2> |
| <p>The <a href="https://serde.rs/data-format.html">example data format</a> presented on the website shows an error |
| type appropriate for a basic JSON data format.</p> |
| </div></details><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle method-toggle" open><summary><section id="tymethod.custom" class="method has-srclink"><a class="srclink rightside" href="../../src/serde/ser/mod.rs.html#186">source</a><h4 class="code-header">fn <a href="#tymethod.custom" class="fnname">custom</a><T>(msg: T) -> Self<span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a>,</span></h4></section></summary><div class="docblock"><p>Used when a <a href="../trait.Serialize.html"><code>Serialize</code></a> implementation encounters any error |
| while serializing a type.</p> |
| <p>The message should not be capitalized and should not end with a |
| period.</p> |
| <p>For example, a filesystem <a href="https://doc.rust-lang.org/std/path/struct.Path.html"><code>Path</code></a> may refuse to serialize |
| itself if it contains invalid UTF-8 data.</p> |
| |
| <div class="example-wrap edition"><div class='tooltip' data-edition="2018">ⓘ</div><pre class="rust rust-example-rendered"><code><span class="kw">use </span>serde::ser::{<span class="self">self</span>, Serialize, Serializer}; |
| |
| <span class="kw">impl </span>Serialize <span class="kw">for </span>Path { |
| <span class="kw">fn </span>serialize<S>(<span class="kw-2">&</span><span class="self">self</span>, serializer: S) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> |
| <span class="kw">where |
| </span>S: Serializer, |
| { |
| <span class="kw">match </span><span class="self">self</span>.to_str() { |
| <span class="prelude-val">Some</span>(s) => serializer.serialize_str(s), |
| <span class="prelude-val">None </span>=> <span class="prelude-val">Err</span>(ser::Error::custom(<span class="string">"path contains invalid UTF-8 characters"</span>)), |
| } |
| } |
| }</code></pre></div> |
| </div></details></div><h2 id="foreign-impls" class="small-section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Error-for-Error" class="impl has-srclink"><a class="srclink rightside" href="../../src/serde/ser/fmt.rs.html#4-8">source</a><a href="#impl-Error-for-Error" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Error.html" title="trait serde::ser::Error">Error</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a></h3></section></summary><div class="impl-items"><section id="method.custom" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/serde/ser/fmt.rs.html#5-7">source</a><a href="#method.custom" class="anchor"></a><h4 class="code-header">fn <a href="#tymethod.custom" class="fnname">custom</a><T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a>>(_msg: T) -> Self</h4></section></div></details><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div id="implementors-list"><section id="impl-Error-for-Error-1" class="impl has-srclink"><a class="srclink rightside" href="../../src/serde/de/value.rs.html#84-92">source</a><a href="#impl-Error-for-Error-1" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="trait.Error.html" title="trait serde::ser::Error">Error</a> for serde::de::value::<a class="struct" href="../de/value/struct.Error.html" title="struct serde::de::value::Error">Error</a></h3></section></div><script src="../../implementors/serde/ser/trait.Error.js" data-ignore-extern-crates="core" async></script></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="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
