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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 `Deserializer` struct in crate `serde_json`."><meta name="keywords" content="rust, rustlang, rust-lang, Deserializer"><title>serde_json::Deserializer - 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 struct"><!--[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_json/index.html'><div class='logo-container'><img src='../rust-logo.png' alt='logo'></div></a><p class='location'>Struct Deserializer</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.end">end</a><a href="#method.from_reader">from_reader</a><a href="#method.from_slice">from_slice</a><a href="#method.from_str">from_str</a><a href="#method.into_iter">into_iter</a><a href="#method.new">new</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Deserializer%3C%27de%3E">Deserializer<'de></a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow<T></a><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><a href="#impl-From%3CT%3E">From<T></a><a href="#impl-Into%3CU%3E">Into<U></a><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a><a href="#impl-TryInto%3CU%3E">TryInto<U></a></div></div><p class='location'><a href='index.html'>serde_json</a></p><script>window.sidebarCurrent = {name: 'Deserializer', ty: 'struct', 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_json/de.rs.html#24-30' title='goto source code'>[src]</a></span><span class='in-band'>Struct <a href='index.html'>serde_json</a>::<wbr><a class="struct" href=''>Deserializer</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust struct'>pub struct Deserializer<R> { /* fields omitted */ }</pre></div><div cl
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</div><h2 id='methods' class='small-section-header'>Methods<a href='#methods' class='anchor'></a></h2><h3 id='impl' class='impl'><code class='in-band'>impl<'de, R> <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="../serde_json/de/trait.Read.html" title="trait serde_json::de::Read">Read</a><'de>, </span></code><a href='#impl' class='anchor'></a><a class='srclink' href='../src/serde_json/de.rs.html#32-64' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.new' class="method"><code id='new.v'>pub fn <a href='#method.new' class='fnname'>new</a>(read: R) -> Self</code><a class='srclink' href='../src/serde_json/de.rs.html#44-63' title='goto source code'>[src]</a></h4><div class='docblock'><p>Create a JSON deserializer from one of the possible serde_json input
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sources.</p>
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<p>Typically it is more convenient to use one of these methods instead:</p>
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<ul>
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<li>Deserializer::from_str</li>
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<li>Deserializer::from_bytes</li>
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<li>Deserializer::from_reader</li>
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</ul>
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</div></div><h3 id='impl-1' class='impl'><code class='in-band'>impl<R> <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><<a class="struct" href="../serde_json/de/struct.IoRead.html" title="struct serde_json::de::IoRead">IoRead</a><R>> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.Read.html" title="trait std::io::Read">Read</a>, </span></code><a href='#impl-1' class='anchor'></a><a class='srclink' href='../src/serde_json/de.rs.html#66-74' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_reader' class="method"><code id='from_reader.v'>pub fn <a href='#method.from_reader' class='fnname'>from_reader</a>(reader: R) -> Self</code><a class='srclink' href='../src/serde_json/de.rs.html#71-73' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a JSON deserializer from an <code>io::Read</code>.</p>
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</div></div><h3 id='impl-2' class='impl'><code class='in-band'>impl<'a> <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><<a class="struct" href="../serde_json/de/struct.SliceRead.html" title="struct serde_json::de::SliceRead">SliceRead</a><'a>></code><a href='#impl-2' class='anchor'></a><a class='srclink' href='../src/serde_json/de.rs.html#76-81' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_slice' class="method"><code id='from_slice.v'>pub fn <a href='#method.from_slice' class='fnname'>from_slice</a>(bytes: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'a [</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>) -> Self</code><a class='srclink' href='../src/serde_json/de.rs.html#78-80' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a JSON deserializer from a <code>&[u8]</code>.</p>
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</div></div><h3 id='impl-3' class='impl'><code class='in-band'>impl<'a> <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><<a class="struct" href="../serde_json/de/struct.StrRead.html" title="struct serde_json::de::StrRead">StrRead</a><'a>></code><a href='#impl-3' class='anchor'></a><a class='srclink' href='../src/serde_json/de.rs.html#83-88' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from_str' class="method"><code id='from_str.v'>pub fn <a href='#method.from_str' class='fnname'>from_str</a>(s: &'a <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> Self</code><a class='srclink' href='../src/serde_json/de.rs.html#85-87' title='goto source code'>[src]</a></h4><div class='docblock'><p>Creates a JSON deserializer from a <code>&str</code>.</p>
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</div></div><h3 id='impl-4' class='impl'><code class='in-band'>impl<'de, R: <a class="trait" href="../serde_json/de/trait.Read.html" title="trait serde_json::de::Read">Read</a><'de>> <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><R></code><a href='#impl-4' class='anchor'></a><a class='srclink' href='../src/serde_json/de.rs.html#131-1012' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.end' class="method"><code id='end.v'>pub fn <a href='#method.end' class='fnname'>end</a>(&mut self) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>></code><a class='srclink' href='../src/serde_json/de.rs.html#135-140' title='goto source code'>[src]</a></h4><div class='docblock'><p>The <code>Deserializer::end</code> method should be called after a value has been fully deserialized.
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This allows the <code>Deserializer</code> to validate that the input stream is at the end or that it
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only has trailing whitespace.</p>
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</div><h4 id='method.into_iter' class="method"><div class="important-traits"><div class='tooltip'>ⓘ<span class='tooltiptext'>Important traits for <a class="struct" href="../serde_json/de/struct.StreamDeserializer.html" title="struct serde_json::de::StreamDeserializer">StreamDeserializer</a><'de, R, T></span></div><div class="content hidden"><h3 class="important">Important traits for <a class="struct" href="../serde_json/de/struct.StreamDeserializer.html" title="struct serde_json::de::StreamDeserializer">StreamDeserializer</a><'de, R, T></h3><code class="content"><span class="where fmt-newline">impl<'de, R, T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <a class="struct" href="../serde_json/de/struct.StreamDeserializer.html" title="struct serde_json::de::StreamDeserializer">StreamDeserializer</a><'de, R, T> <span class="where fmt-newline">where<br> R: <a class="trait" href="../serde_json/de/trait.Read.html" title="trait serde_json::de::Read">Read</a><'de>,<br> T: <a class="trait" href="../serde/de/trait.Deserialize.html" title="trait serde::de::Deserialize">Deserialize</a><'de>, </span></span><span class="where fmt-newline"> type <a href='https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item' class="type">Item</a> = <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><T>;</span></code></div></div><code id='into_iter.v'>pub fn <a href='#method.into_iter' class='fnname'>into_iter</a><T>(self) -> <a class="struct" href="../serde_json/de/struct.StreamDeserializer.html" title="struct serde_json::de::StreamDeserializer">StreamDeserializer</a><'de, R, T> <span class="where fmt-newline">where<br> T: <a class="trait" href="../serde/de/trait.Deserialize.html" title="trait serde::de::Deserialize">Deserialize</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#143-156' title='goto source code'>[src]</a></h4><div class='docblock'><p>Turn a JSON deserializer into an iterator over values of type T.</p>
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</div></div><h2 id='implementations' class='small-section-header'>Trait Implementations<a href='#implementations' class='anchor'></a></h2><div id='implementations-list'><h3 id='impl-Deserializer%3C%27de%3E' class='impl'><code class='in-band'>impl<'de, 'a, R: <a class="trait" href="../serde_json/de/trait.Read.html" title="trait serde_json::de::Read">Read</a><'de>> <a class="trait" href="../serde/de/trait.Deserializer.html" title="trait serde::de::Deserializer">Deserializer</a><'de> for &'a mut <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><R></code><a href='#impl-Deserializer%3C%27de%3E' class='anchor'></a><a class='srclink' href='../src/serde_json/de.rs.html#1102-1689' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error' class="type"><code id='Error.t'>type <a href='../serde/de/trait.Deserializer.html#associatedtype.Error' class="type">Error</a> = <a class="struct" href="../serde_json/error/struct.Error.html" title="struct serde_json::error::Error">Error</a></code></h4><div class='docblock'><p>The error type that can be returned if some error occurs during deserialization. <a href="../serde/de/trait.Deserializer.html#associatedtype.Error">Read more</a></p>
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</div><h4 id='method.deserialize_any' class="method hidden"><code id='deserialize_any.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_any' class='fnname'>deserialize_any</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1106-1180' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Require the <code>Deserializer</code> to figure out how to drive the visitor based on what data type is in the input. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_any">Read more</a></p>
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</div><h4 id='method.deserialize_bool' class="method hidden"><code id='deserialize_bool.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_bool' class='fnname'>deserialize_bool</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1182-1211' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a <code>bool</code> value.</p>
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</div><h4 id='method.deserialize_i8' class="method hidden"><code id='deserialize_i8.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_i8' class='fnname'>deserialize_i8</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting an <code>i8</code> value.</p>
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</div><h4 id='method.deserialize_i16' class="method hidden"><code id='deserialize_i16.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_i16' class='fnname'>deserialize_i16</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting an <code>i16</code> value.</p>
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</div><h4 id='method.deserialize_i32' class="method hidden"><code id='deserialize_i32.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_i32' class='fnname'>deserialize_i32</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting an <code>i32</code> value.</p>
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</div><h4 id='method.deserialize_i64' class="method hidden"><code id='deserialize_i64.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_i64' class='fnname'>deserialize_i64</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting an <code>i64</code> value.</p>
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</div><h4 id='method.deserialize_u8' class="method hidden"><code id='deserialize_u8.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_u8' class='fnname'>deserialize_u8</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a <code>u8</code> value.</p>
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</div><h4 id='method.deserialize_u16' class="method hidden"><code id='deserialize_u16.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_u16' class='fnname'>deserialize_u16</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a <code>u16</code> value.</p>
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</div><h4 id='method.deserialize_u32' class="method hidden"><code id='deserialize_u32.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_u32' class='fnname'>deserialize_u32</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a <code>u32</code> value.</p>
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</div><h4 id='method.deserialize_u64' class="method hidden"><code id='deserialize_u64.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_u64' class='fnname'>deserialize_u64</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a <code>u64</code> value.</p>
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</div><h4 id='method.deserialize_f32' class="method hidden"><code id='deserialize_f32.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_f32' class='fnname'>deserialize_f32</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a <code>f32</code> value.</p>
|
|||
|
|
</div><h4 id='method.deserialize_f64' class="method hidden"><code id='deserialize_f64.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_f64' class='fnname'>deserialize_f64</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1060-1065' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a <code>f64</code> value.</p>
|
|||
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|
</div><h4 id='method.deserialize_i128' class="method hidden"><code id='deserialize_i128.v'>fn <a href='../serde/de/trait.Deserializer.html#method.deserialize_i128' class='fnname'>deserialize_i128</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1225-1255' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting an <code>i128</code> value. <a href="../serde/de/trait.Deserializer.html#method.deserialize_i128">Read more</a></p>
|
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</div><h4 id='method.deserialize_u128' class="method hidden"><code id='deserialize_u128.v'>fn <a href='../serde/de/trait.Deserializer.html#method.deserialize_u128' class='fnname'>deserialize_u128</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1257-1285' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting an <code>u128</code> value. <a href="../serde/de/trait.Deserializer.html#method.deserialize_u128">Read more</a></p>
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</div><h4 id='method.deserialize_char' class="method hidden"><code id='deserialize_char.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_char' class='fnname'>deserialize_char</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1288-1293' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a <code>char</code> value.</p>
|
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</div><h4 id='method.deserialize_str' class="method hidden"><code id='deserialize_str.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_str' class='fnname'>deserialize_str</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1295-1322' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a string value and does not benefit from taking ownership of buffered data owned by the <code>Deserializer</code>. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_str">Read more</a></p>
|
|||
|
|
</div><h4 id='method.deserialize_string' class="method hidden"><code id='deserialize_string.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_string' class='fnname'>deserialize_string</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1324-1329' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a string value and would benefit from taking ownership of buffered data owned by the <code>Deserializer</code>. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_string">Read more</a></p>
|
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</div><h4 id='method.deserialize_bytes' class="method"><code id='deserialize_bytes.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_bytes' class='fnname'>deserialize_bytes</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1406-1434' title='goto source code'>[src]</a></h4><div class='docblock'><p>Parses a JSON string as bytes. Note that this function does not check
|
|||
|
|
whether the bytes represent a valid UTF-8 string.</p>
|
|||
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<p>The relevant part of the JSON specification is Section 8.2 of <a href="https://tools.ietf.org/html/rfc7159">RFC
|
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|
7159</a>:</p>
|
|||
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|
<blockquote>
|
|||
|
|
<p>When all the strings represented in a JSON text are composed entirely
|
|||
|
|
of Unicode characters (however escaped), then that JSON text is
|
|||
|
|
interoperable in the sense that all software implementations that
|
|||
|
|
parse it will agree on the contents of names and of string values in
|
|||
|
|
objects and arrays.</p>
|
|||
|
|
<p>However, the ABNF in this specification allows member names and string
|
|||
|
|
values to contain bit sequences that cannot encode Unicode characters;
|
|||
|
|
for example, "\uDEAD" (a single unpaired UTF-16 surrogate). Instances
|
|||
|
|
of this have been observed, for example, when a library truncates a
|
|||
|
|
UTF-16 string without checking whether the truncation split a
|
|||
|
|
surrogate pair. The behavior of software that receives JSON texts
|
|||
|
|
containing such values is unpredictable; for example, implementations
|
|||
|
|
might return different values for the length of a string value or even
|
|||
|
|
suffer fatal runtime exceptions.</p>
|
|||
|
|
</blockquote>
|
|||
|
|
<p>The behavior of serde_json is specified to fail on non-UTF-8 strings
|
|||
|
|
when deserializing into Rust UTF-8 string types such as String, and
|
|||
|
|
succeed with non-UTF-8 bytes when deserializing using this method.</p>
|
|||
|
|
<p>Escape sequences are processed as usual, and for <code>\uXXXX</code> escapes it is
|
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|
|
still checked if the hex number represents a valid Unicode code point.</p>
|
|||
|
|
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
|
|||
|
|
<p>You can use this to parse JSON strings containing invalid UTF-8 bytes.</p>
|
|||
|
|
|
|||
|
|
<div class='information'><div class='tooltip edition'>ⓘ<span class='tooltiptext'>This code runs with edition 2018</span></div></div><div class="example-wrap"><pre class="rust rust-example-rendered edition ">
|
|||
|
|
<span class="kw">use</span> <span class="ident">serde_bytes</span>::<span class="ident">ByteBuf</span>;
|
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|
|
|
|||
|
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<span class="kw">fn</span> <span class="ident">look_at_bytes</span>() <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(), <span class="ident">serde_json</span>::<span class="ident">Error</span><span class="op">></span> {
|
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|
|
<span class="kw">let</span> <span class="ident">json_data</span> <span class="op">=</span> <span class="string">b"\"some bytes: \xe5\x00\xe5\""</span>;
|
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|
|
<span class="kw">let</span> <span class="ident">bytes</span>: <span class="ident">ByteBuf</span> <span class="op">=</span> <span class="ident">serde_json</span>::<span class="ident">from_slice</span>(<span class="ident">json_data</span>)<span class="question-mark">?</span>;
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|
|
|
|||
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">b'\xe5'</span>, <span class="ident">bytes</span>[<span class="number">12</span>]);
|
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|
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<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">b'\0'</span>, <span class="ident">bytes</span>[<span class="number">13</span>]);
|
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|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="string">b'\xe5'</span>, <span class="ident">bytes</span>[<span class="number">14</span>]);
|
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|
|
|
|||
|
|
<span class="prelude-val">Ok</span>(())
|
|||
|
|
}</pre></div>
|
|||
|
|
<p>Backslash escape sequences like <code>\n</code> are still interpreted and required
|
|||
|
|
to be valid, and <code>\u</code> escape sequences are required to represent valid
|
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|
Unicode code points.</p>
|
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|
|
|
|||
|
|
<div class='information'><div class='tooltip edition'>ⓘ<span class='tooltiptext'>This code runs with edition 2018</span></div></div><div class="example-wrap"><pre class="rust rust-example-rendered edition ">
|
|||
|
|
<span class="kw">use</span> <span class="ident">serde_bytes</span>::<span class="ident">ByteBuf</span>;
|
|||
|
|
|
|||
|
|
<span class="kw">fn</span> <span class="ident">look_at_bytes</span>() {
|
|||
|
|
<span class="kw">let</span> <span class="ident">json_data</span> <span class="op">=</span> <span class="string">b"\"invalid unicode surrogate: \\uD801\""</span>;
|
|||
|
|
<span class="kw">let</span> <span class="ident">parsed</span>: <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">ByteBuf</span>, <span class="kw">_</span><span class="op">></span> <span class="op">=</span> <span class="ident">serde_json</span>::<span class="ident">from_slice</span>(<span class="ident">json_data</span>);
|
|||
|
|
|
|||
|
|
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">parsed</span>.<span class="ident">is_err</span>());
|
|||
|
|
|
|||
|
|
<span class="kw">let</span> <span class="ident">expected_msg</span> <span class="op">=</span> <span class="string">"unexpected end of hex escape at line 1 column 35"</span>;
|
|||
|
|
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">expected_msg</span>, <span class="ident">parsed</span>.<span class="ident">unwrap_err</span>().<span class="ident">to_string</span>());
|
|||
|
|
}</pre></div>
|
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|
|
</div><h4 id='method.deserialize_byte_buf' class="method hidden"><code id='deserialize_byte_buf.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_byte_buf' class='fnname'>deserialize_byte_buf</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1437-1442' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a byte array and would benefit from taking ownership of buffered data owned by the <code>Deserializer</code>. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_byte_buf">Read more</a></p>
|
|||
|
|
</div><h4 id='method.deserialize_option' class="method"><code id='deserialize_option.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_option' class='fnname'>deserialize_option</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1446-1458' title='goto source code'>[src]</a></h4><div class='docblock'><p>Parses a <code>null</code> as a None, and any other values as a <code>Some(...)</code>.</p>
|
|||
|
|
</div><h4 id='method.deserialize_unit' class="method hidden"><code id='deserialize_unit.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_unit' class='fnname'>deserialize_unit</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1460-1484' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a unit value.</p>
|
|||
|
|
</div><h4 id='method.deserialize_unit_struct' class="method hidden"><code id='deserialize_unit_struct.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_unit_struct' class='fnname'>deserialize_unit_struct</a><V>(<br> self, <br> _name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> visitor: V<br>) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1486-1491' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a unit struct with a particular name. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_unit_struct">Read more</a></p>
|
|||
|
|
</div><h4 id='method.deserialize_newtype_struct' class="method"><code id='deserialize_newtype_struct.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_newtype_struct' class='fnname'>deserialize_newtype_struct</a><V>(<br> self, <br> name: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> visitor: V<br>) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1495-1508' title='goto source code'>[src]</a></h4><div class='docblock'><p>Parses a newtype struct as the underlying value.</p>
|
|||
|
|
</div><h4 id='method.deserialize_seq' class="method hidden"><code id='deserialize_seq.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_seq' class='fnname'>deserialize_seq</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1510-1540' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a sequence of values.</p>
|
|||
|
|
</div><h4 id='method.deserialize_tuple' class="method hidden"><code id='deserialize_tuple.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_tuple' class='fnname'>deserialize_tuple</a><V>(self, _len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1542-1547' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a sequence of values and knows how many values there are without looking at the serialized data. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_tuple">Read more</a></p>
|
|||
|
|
</div><h4 id='method.deserialize_tuple_struct' class="method hidden"><code id='deserialize_tuple_struct.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_tuple_struct' class='fnname'>deserialize_tuple_struct</a><V>(<br> self, <br> _name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> _len: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> visitor: V<br>) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1549-1559' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a tuple struct with a particular name and number of fields. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_tuple_struct">Read more</a></p>
|
|||
|
|
</div><h4 id='method.deserialize_map' class="method hidden"><code id='deserialize_map.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_map' class='fnname'>deserialize_map</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1561-1591' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a map of key-value pairs.</p>
|
|||
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</div><h4 id='method.deserialize_struct' class="method hidden"><code id='deserialize_struct.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_struct' class='fnname'>deserialize_struct</a><V>(<br> self, <br> _name: &'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> _fields: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'static [</a>&'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <br> visitor: V<br>) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1593-1639' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting a struct with a particular name and fields. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_struct">Read more</a></p>
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</div><h4 id='method.deserialize_enum' class="method"><code id='deserialize_enum.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_enum' class='fnname'>deserialize_enum</a><V>(<br> self, <br> _name: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, <br> _variants: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&'static [</a>&'static <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>, <br> visitor: V<br>) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1644-1673' title='goto source code'>[src]</a></h4><div class='docblock'><p>Parses an enum as an object like <code>{"$KEY":$VALUE}</code>, where $VALUE is either a straight
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value, a <code>[..]</code>, or a <code>{..}</code>.</p>
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</div><h4 id='method.deserialize_identifier' class="method hidden"><code id='deserialize_identifier.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_identifier' class='fnname'>deserialize_identifier</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1675-1680' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type is expecting the name of a struct field or the discriminant of an enum variant. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_identifier">Read more</a></p>
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</div><h4 id='method.deserialize_ignored_any' class="method hidden"><code id='deserialize_ignored_any.v'>fn <a href='../serde/de/trait.Deserializer.html#tymethod.deserialize_ignored_any' class='fnname'>deserialize_ignored_any</a><V>(self, visitor: V) -> <a class="type" href="../serde_json/type.Result.html" title="type serde_json::Result">Result</a><V::<a class="type" href="../serde/de/trait.Visitor.html#associatedtype.Value" title="type serde::de::Visitor::Value">Value</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="../serde/de/trait.Visitor.html" title="trait serde::de::Visitor">Visitor</a><'de>, </span></code><a class='srclink' href='../src/serde_json/de.rs.html#1682-1688' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Hint that the <code>Deserialize</code> type needs to deserialize a value whose type doesn't matter because it is ignored. <a href="../serde/de/trait.Deserializer.html#tymethod.deserialize_ignored_any">Read more</a></p>
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</div><h4 id='method.is_human_readable' class="method hidden"><code id='is_human_readable.v'>fn <a href='../serde/de/trait.Deserializer.html#method.is_human_readable' class='fnname'>is_human_readable</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class='srclink' href='../src/serde/de/mod.rs.html#1207-1209' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Determine whether <code>Deserialize</code> implementations should expect to deserialize their human-readable form. <a href="../serde/de/trait.Deserializer.html#method.is_human_readable">Read more</a></p>
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</div></div></div><h2 id='synthetic-implementations' class='small-section-header'>Auto Trait Implementations<a href='#synthetic-implementations' class='anchor'></a></h2><div id='synthetic-implementations-list'><h3 id='impl-Sync' class='impl'><code class='in-band'>impl<R> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>, </span></code><a href='#impl-Sync' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Send' class='impl'><code class='in-band'>impl<R> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>, </span></code><a href='#impl-Send' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-Unpin' class='impl'><code class='in-band'>impl<R> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>, </span></code><a href='#impl-Unpin' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-UnwindSafe' class='impl'><code class='in-band'>impl<R> <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>, </span></code><a href='#impl-UnwindSafe' class='anchor'></a></h3><div class='impl-items'></div><h3 id='impl-RefUnwindSafe' class='impl'><code class='in-band'>impl<R> <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../serde_json/de/struct.Deserializer.html" title="struct serde_json::de::Deserializer">Deserializer</a><R> <span class="where fmt-newline">where<br> R: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a>, </span></code><a href='#impl-RefUnwindSafe' class='anchor'></a></h3><div class='impl-items'></div></div><h2 id='blanket-implementations' class='small-section-header'>Blanket Implementations<a href='#blanket-implementations' class='anchor'></a></h2><div id='blanket-implementations-list'><h3 id='impl-Into%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>, </span><
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</div></div><h3 id='impl-From%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</code><a href='#impl-From%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#552-554' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.from' class="method hidden"><code id='from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from' class='fnname'>from</a>(t: T) -> T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#553' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-TryFrom%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>, </span></code><a href='#impl-TryFrom%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#571-577' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-1' class="type"><code id='Error.t-1'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error' class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_from' class="method hidden"><code id='try_from.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from' class='fnname'>try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#574-576' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-TryInto%3CU%3E' class='impl'><code class='in-band'>impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>, </span></code><a href='#impl-TryInto%3CU%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#559-566' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='associatedtype.Error-2' class="type"><code id='Error.t-2'>type <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error' class="type">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</div><h4 id='method.try_into' class="method hidden"><code id='try_into.v'>fn <a href='https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into' class='fnname'>try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/convert.rs.html#563-565' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
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</div></div><h3 id='impl-BorrowMut%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-BorrowMut%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-220' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow_mut' class="method hidden"><code id='borrow_mut.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut' class='fnname'>borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
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</div></div><h3 id='impl-Borrow%3CT%3E' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T <span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Borrow%3CT%3E' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213-215' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.borrow' class="method hidden"><code id='borrow.v'>fn <a href='https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow' class='fnname'>borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
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</div></div><h3 id='impl-Any' class='impl'><code class='in-band'>impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>, </span></code><a href='#impl-Any' class='anchor'></a><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#100-102' title='goto source code'>[src]</a></h3><div class='impl-items'><h4 id='method.type_id' class="method hidden"><code id='type_id.v'>fn <a href='https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id' class='fnname'>type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/any.rs.html#101' title='goto source code'>[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
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</div></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd>↑</kbd></dt><dd>Move up in search results</dd><dt><kbd>↓</kbd></dt><dd>Move down in search results</dd><dt><kbd>↹</kbd></dt><dd>Switch tab</dd><dt><kbd>⏎</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g., <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g., <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g., <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../";window.currentCrate = "serde_json";</script><script src="../aliases.js"></script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>
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