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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="Represents a JSON key/value type."><meta name="keywords" content="rust, rustlang, rust-lang, Map"><title>Map in serde_json - 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" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../dark.css" disabled><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script src="../crates.js"></script><script defer src="../main.js"></script>
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</a><h2 class="location"><a href="#">Map</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#implementations">Methods</a></h3><ul><li><a href="#method.append">append</a></li><li><a href="#method.clear">clear</a></li><li><a href="#method.contains_key">contains_key</a></li><li><a href="#method.entry">entry</a></li><li><a href="#method.get">get</a></li><li><a href="#method.get_key_value">get_key_value</a></li><li><a href="#method.get_mut">get_mut</a></li><li><a href="#method.insert">insert</a></li><li><a href="#method.is_empty">is_empty</a></li><li><a href="#method.iter">iter</a></li><li><a href="#method.iter_mut">iter_mut</a></li><li><a href="#method.keys">keys</a></li><li><a href="#method.len">len</a></li><li><a href="#method.new">new</a></li><li><a href="#method.remove">remove</a></li><li><a href="#method.remove_entry">remove_entry</a></li><li><a href="#method.retain">retain</a></li><li><a href="#method.values">values</a></li><li><a href="#method.values_mut">values_mut</a></li><li><a href="#method.with_capacity">with_capacity</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#trait-implementations">Trait Implementations</a></h3><ul><li><a href="#impl-Clone">Clone</a></li><li><a href="#impl-Debug">Debug</a></li><li><a href="#impl-Default">Default</a></li><li><a href="#impl-Deserialize%3C%27de%3E">Deserialize<'de></a></li><li><a href="#impl-Eq">Eq</a></li><li><a href="#impl-Extend%3C(String%2C%20Value)%3E">Extend<(String, Value)></a></li><li><a href="#impl-From%3CMap%3CString%2C%20Value%3E%3E">From<Map<String, Value>></a></li><li><a href="#impl-FromIterator%3C(String%2C%20Value)%3E">FromIterator<(String, Value)></a></li><li><a href="#impl-Index%3C%26%27a%20Q%3E">Index<&'a Q></a></li><li><a href="#impl-IndexMut%3C%26%27a%20Q%3E">IndexMut<&'a Q></a></li><li><a href="#impl-IntoIterator">IntoIterator</a></li><li><a href="#impl-IntoIterator-1">IntoIterator</a></li><li><a href="#impl-IntoIterator-2">IntoIterator</a></li><li><a href="#impl-PartialEq%3CMap%3CString%2C%20Value%3E%3E">PartialEq<Map<String, Value>></a></li><li><a href="#impl-Serialize">Serialize</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><a href="#impl-RefUnwindSafe">RefUnwindSafe</a></li><li><a href="#impl-Send">Send</a></li><li><a href="#impl-Sync">Sync</a></li><li><a href="#impl-Unpin">Unpin</a></li><li><a href="#impl-UnwindSafe">UnwindSafe</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#blanket-implementations">Blanket Implementations</a></h3><ul><li><a href="#impl-Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E">BorrowMut<T></a></li><li><a href="#impl-DeserializeOwned">DeserializeOwned</a></li><li><a href="#impl-From%3CT%3E">From<T></a></li><li><a href="#impl-Into%3CU%3E">Into<U></a></li><li><a href="#impl-ToOwned">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E">TryInto<U></a></li></ul></div></section><h2 class="location"><a href="index.html">In serde_json</a></h2><div id="sidebar-vars" data-name="Map" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../serde_json/index.html"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../brush.svg"></button><div id="theme-choices" role="menu"></div></div><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"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="main-heading">
<h1 class="fqn"><span class="in-band">Struct <a href="index.html">serde_json</a>::<wbr><a class="struct" href="#">Map</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></span></h1><span class="out-of-band"><a class="srclink" href="../src/serde_json/map.rs.html#26-28">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct Map<K, V> { /* private fields */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Represents a JSON key/value type.</p>
</div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#35-288">source</a></span><a href="#impl" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#38-42">source</a></span><a href="#method.new" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>() -> Self</h4></section></summary><div class="docblock"><p>Makes a new empty Map.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.with_capacity" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#46-57">source</a></span><a href="#method.with_capacity" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.with_capacity" class="fnname">with_capacity</a>(capacity: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> Self</h4></section></summary><div class="docblock"><p>Makes a new empty Map with the given initial capacity.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clear" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#61-63">source</a></span><a href="#method.clear" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.clear" class="fnname">clear</a>(&mut self)</h4></section></summary><div class="docblock"><p>Clears the map, removing all values.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.get" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#70-76">source</a></span><a href="#method.get" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.get" class="fnname">get</a><Q>(&self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&<a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>> <span class="where fmt-newline">where<br> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: ?<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/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, </span></h4></section></summary><div class="docblock"><p>Returns a reference to the value corresponding to the key.</p>
<p>The key may be any borrowed form of the map’s key type, but the ordering
on the borrowed form <em>must</em> match the ordering on the key type.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.contains_key" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#83-89">source</a></span><a href="#method.contains_key" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.contains_key" class="fnname">contains_key</a><Q>(&self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> <span class="where fmt-newline">where<br> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: ?<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/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, </span></h4></section></summary><div class="docblock"><p>Returns true if the map contains a value for the specified key.</p>
<p>The key may be any borrowed form of the map’s key type, but the ordering
on the borrowed form <em>must</em> match the ordering on the key type.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.get_mut" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#96-102">source</a></span><a href="#method.get_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.get_mut" class="fnname">get_mut</a><Q>(&mut self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&mut <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>> <span class="where fmt-newline">where<br> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: ?<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/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, </span></h4></section></summary><div class="docblock"><p>Returns a mutable reference to the value corresponding to the key.</p>
<p>The key may be any borrowed form of the map’s key type, but the ordering
on the borrowed form <em>must</em> match the ordering on the key type.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.get_key_value" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#110-116">source</a></span><a href="#method.get_key_value" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.get_key_value" class="fnname">get_key_value</a><Q>(&self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>&<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, &<a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>> <span class="where fmt-newline">where<br> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: ?<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/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, </span></h4></section></summary><div class="docblock"><p>Returns the key-value pair matching the given key.</p>
<p>The key may be any borrowed form of the map’s key type, but the ordering
on the borrowed form <em>must</em> match the ordering on the key type.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.insert" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#125-127">source</a></span><a href="#method.insert" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.insert" class="fnname">insert</a>(&mut self, k: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, v: <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h4></section></summary><div class="docblock"><p>Inserts a key-value pair into the map.</p>
<p>If the map did not have this key present, <code>None</code> is returned.</p>
<p>If the map did have this key present, the value is updated, and the old
value is returned.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.remove" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#135-144">source</a></span><a href="#method.remove" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.remove" class="fnname">remove</a><Q>(&mut self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>> <span class="where fmt-newline">where<br> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: ?<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/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, </span></h4></section></summary><div class="docblock"><p>Removes a key from the map, returning the value at the key if the key
was previously in the map.</p>
<p>The key may be any borrowed form of the map’s key type, but the ordering
on the borrowed form <em>must</em> match the ordering on the key type.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.remove_entry" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#151-194">source</a></span><a href="#method.remove_entry" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.remove_entry" class="fnname">remove_entry</a><Q>(&mut self, key: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>> <span class="where fmt-newline">where<br> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: ?<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/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, </span></h4></section></summary><div class="docblock"><p>Removes a key from the map, returning the stored key and value if the
key was previously in the map.</p>
<p>The key may be any borrowed form of the map’s key type, but the ordering
on the borrowed form <em>must</em> match the ordering on the key type.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.append" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#198-205">source</a></span><a href="#method.append" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.append" class="fnname">append</a>(&mut self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>Self)</h4></section></summary><div class="docblock"><p>Moves all elements from other into Self, leaving other empty.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.entry" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#209-222">source</a></span><a href="#method.entry" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.entry" class="fnname">entry</a><S>(&mut self, key: S) -> <a class="enum" href="map/enum.Entry.html" title="enum serde_json::map::Entry">Entry</a><'_> <span class="where fmt-newline">where<br> S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>, </span></h4></section></summary><div class="docblock"><p>Gets the given key’s corresponding entry in the map for in-place
manipulation.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.len" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#226-228">source</a></span><a href="#method.len" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.len" class="fnname">len</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns the number of elements in the map.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_empty" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#232-234">source</a></span><a href="#method.is_empty" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.is_empty" class="fnname">is_empty</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns true if the map contains no elements.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.iter" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#238-242">source</a></span><a href="#method.iter" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.iter" class="fnname">iter</a>(&self) -> <a class="struct" href="map/struct.Iter.html" title="struct serde_json::map::Iter">Iter</a><'_><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="map/struct.Iter.html" title="struct serde_json::map::Iter">Iter</a><'a></span><code class="content"><span class="where fmt-newline">impl<'a> <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="map/struct.Iter.html" title="struct serde_json::map::Iter">Iter</a><'a></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="associatedtype">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>&'a <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, &'a <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></span></span></span></h4></section></summary><div class="docblock"><p>Gets an iterator over the entries of the map.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.iter_mut" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#246-250">source</a></span><a href="#method.iter_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.iter_mut" class="fnname">iter_mut</a>(&mut self) -> <a class="struct" href="map/struct.IterMut.html" title="struct serde_json::map::IterMut">IterMut</a><'_><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="map/struct.IterMut.html" title="struct serde_json::map::IterMut">IterMut</a><'a></span><code class="content"><span class="where fmt-newline">impl<'a> <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="map/struct.IterMut.html" title="struct serde_json::map::IterMut">IterMut</a><'a></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="associatedtype">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>&'a <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, &'a mut <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>;</span></code></span></span></span></span></h4></section></summary><div class="docblock"><p>Gets a mutable iterator over the entries of the map.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.keys" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#254-258">source</a></span><a href="#method.keys" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.keys" class="fnname">keys</a>(&self) -> <a class="struct" href="map/struct.Keys.html" title="struct serde_json::map::Keys">Keys</a><'_><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="map/struct.Keys.html" title="struct serde_json::map::Keys">Keys</a><'a></span><code class="content"><span class="where fmt-newline">impl<'a> <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="map/struct.Keys.html" title="struct serde_json::map::Keys">Keys</a><'a></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="associatedtype">Item</a> = &'a <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>;</span></code></span></span></span></span></h4></section></summary><div class="docblock"><p>Gets an iterator over the keys of the map.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.values" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#262-266">source</a></span><a href="#method.values" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.values" class="fnname">values</a>(&self) -> <a class="struct" href="map/struct.Values.html" title="struct serde_json::map::Values">Values</a><'_><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="map/struct.Values.html" title="struct serde_json::map::Values">Values</a><'a></span><code class="content"><span class="where fmt-newline">impl<'a> <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="map/struct.Values.html" title="struct serde_json::map::Values">Values</a><'a></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="associatedtype">Item</a> = &'a <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>;</span></code></span></span></span></span></h4></section></summary><div class="docblock"><p>Gets an iterator over the values of the map.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.values_mut" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#270-274">source</a></span><a href="#method.values_mut" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.values_mut" class="fnname">values_mut</a>(&mut self) -> <a class="struct" href="map/struct.ValuesMut.html" title="struct serde_json::map::ValuesMut">ValuesMut</a><'_><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="map/struct.ValuesMut.html" title="struct serde_json::map::ValuesMut">ValuesMut</a><'a></span><code class="content"><span class="where fmt-newline">impl<'a> <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="map/struct.ValuesMut.html" title="struct serde_json::map::ValuesMut">ValuesMut</a><'a></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="associatedtype">Item</a> = &'a mut <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>;</span></code></span></span></span></span></h4></section></summary><div class="docblock"><p>Gets an iterator over mutable values of the map.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.retain" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#282-287">source</a></span><a href="#method.retain" class="anchor"></a><h4 class="code-header">pub fn <a href="#method.retain" class="fnname">retain</a><F>(&mut self, f: F) <span class="where fmt-newline">where<br> F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, &mut <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>, </span></h4></section></summary><div class="docblock"><p>Retains only the elements specified by the predicate.</p>
<p>In other words, remove all pairs <code>(k, v)</code> such that <code>f(&k, &mut v)</code>
returns <code>false</code>.</p>
</div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Clone" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#300-307">source</a></span><a href="#impl-Clone" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#302-306">source</a></span><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone" class="fnname">clone</a>(&self) -> Self</h4></section></summary><div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/clone.rs.html#133-135">source</a></span><a href="#method.clone_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from" class="fnname">clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</h4></section></summary><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#367-372">source</a></span><a href="#impl-Debug" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#369-371">source</a></span><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&self, formatter: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Error.html" title="struct core::fmt::Error">Error</a>></h4></section></summary><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Default" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#291-298">source</a></span><a href="#impl-Default" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.default" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#293-297">source</a></span><a href="#method.default" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default" class="fnname">default</a>() -> Self</h4></section></summary><div class='docblock'><p>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Deserialize%3C%27de%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#390-431">source</a></span><a href="#impl-Deserialize%3C%27de%3E" class="anchor"></a><h3 class="code-header in-band">impl<'de> <a class="trait" href="../serde/de/trait.Deserialize.html" title="trait serde::de::Deserialize">Deserialize</a><'de> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.deserialize" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#392-430">source</a></span><a href="#method.deserialize" class="anchor"></a><h4 class="code-header">fn <a href="../serde/de/trait.Deserialize.html#tymethod.deserialize" class="fnname">deserialize</a><D>(deserializer: D) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, D::<a class="associatedtype" href="../serde/de/trait.Deserializer.html#associatedtype.Error" title="type serde::de::Deserializer::Error">Error</a>> <span class="where fmt-newline">where<br> D: <a class="trait" href="../serde/de/trait.Deserializer.html" title="trait serde::de::Deserializer">Deserializer</a><'de>, </span></h4></section></summary><div class='docblock'><p>Deserialize this value from the given Serde deserializer. <a href="../serde/de/trait.Deserialize.html#tymethod.deserialize">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Extend%3C(String%2C%20Value)%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#444-451">source</a></span><a href="#impl-Extend%3C(String%2C%20Value)%3E" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html" title="trait core::iter::traits::collect::Extend">Extend</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.extend" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#445-450">source</a></span><a href="#method.extend" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#tymethod.extend" class="fnname">extend</a><T>(&mut self, iter: T) <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a><Item = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>, </span></h4></section></summary><div class='docblock'><p>Extends a collection with the contents of an iterator. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#tymethod.extend">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.extend_one" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/iter/traits/collect.rs.html#376">source</a></span><a href="#method.extend_one" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#method.extend_one" class="fnname">extend_one</a>(&mut self, item: A)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>extend_one</code>)</div></span><div class='docblock'><p>Extends a collection with exactly one element.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.extend_reserve" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/iter/traits/collect.rs.html#384">source</a></span><a href="#method.extend_reserve" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#method.extend_reserve" class="fnname">extend_reserve</a>(&mut self, additional: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>extend_one</code>)</div></span><div class='docblock'><p>Reserves capacity in a collection for the given number of additional elements. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#method.extend_reserve">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-From%3CMap%3CString%2C%20Value%3E%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/value/from.rs.html#157-172">source</a></span><a href="#impl-From%3CMap%3CString%2C%20Value%3E%3E" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><<a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>>> for <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/value/from.rs.html#169-171">source</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(f: <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>>) -> Self</h4></section></summary><div class="docblock"><p>Convert map (with string keys) to <code>Value</code></p>
<h5 id="examples"><a href="#examples">Examples</a></h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use</span> <span class="ident">serde_json</span>::{<span class="ident">Map</span>, <span class="ident">Value</span>};
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">m</span> <span class="op">=</span> <span class="ident">Map::new</span>();
<span class="ident">m</span>.<span class="ident">insert</span>(<span class="string">"Lorem"</span>.<span class="ident">to_string</span>(), <span class="string">"ipsum"</span>.<span class="ident">into</span>());
<span class="kw">let</span> <span class="ident">x</span>: <span class="ident">Value</span> <span class="op">=</span> <span class="ident">m</span>.<span class="ident">into</span>();</code></pre></div>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-FromIterator%3C(String%2C%20Value)%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#433-442">source</a></span><a href="#impl-FromIterator%3C(String%2C%20Value)%3E" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html" title="trait core::iter::traits::collect::FromIterator">FromIterator</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from_iter" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#434-441">source</a></span><a href="#method.from_iter" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter" class="fnname">from_iter</a><T>(iter: T) -> Self <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a><Item = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a>>, </span></h4></section></summary><div class='docblock'><p>Creates a value from an iterator. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Index%3C%26%27a%20Q%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#334-344">source</a></span><a href="#impl-Index%3C%26%27a%20Q%3E" class="anchor"></a><h3 class="code-header in-band">impl<'a, Q> <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/index/trait.Index.html" title="trait core::ops::index::Index">Index</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>Q> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>> <span class="where fmt-newline">where<br> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: ?<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/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, </span></h3></section></summary><div class="docblock"><p>Access an element of this map. Panics if the given key is not present in the
map.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">match</span> <span class="kw-2">*</span><span class="ident">val</span> {
<span class="ident">Value::String</span>(<span class="kw-2">ref</span> <span class="ident">s</span>) => <span class="prelude-val">Some</span>(<span class="ident">s</span>.<span class="ident">as_str</span>()),
<span class="ident">Value::Array</span>(<span class="kw-2">ref</span> <span class="ident">arr</span>) => <span class="ident">arr</span>[<span class="number">0</span>].<span class="ident">as_str</span>(),
<span class="ident">Value::Object</span>(<span class="kw-2">ref</span> <span class="ident">map</span>) => <span class="ident">map</span>[<span class="string">"type"</span>].<span class="ident">as_str</span>(),
<span class="kw">_</span> => <span class="prelude-val">None</span>,
}</code></pre></div>
</div><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Output" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Output" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/ops/index/trait.Index.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a></h4></section></summary><div class='docblock'><p>The returned type after indexing.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.index" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#341-343">source</a></span><a href="#method.index" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/index/trait.Index.html#tymethod.index" class="fnname">index</a>(&self, index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> &<a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a></h4></section></summary><div class='docblock'><p>Performs the indexing (<code>container[index]</code>) operation. <a href="https://doc.rust-lang.org/nightly/core/ops/index/trait.Index.html#tymethod.index">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-IndexMut%3C%26%27a%20Q%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#357-365">source</a></span><a href="#impl-IndexMut%3C%26%27a%20Q%3E" class="anchor"></a><h3 class="code-header in-band">impl<'a, Q> <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/index/trait.IndexMut.html" title="trait core::ops::index::IndexMut">IndexMut</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>Q> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>> <span class="where fmt-newline">where<br> <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><Q>,<br> Q: ?<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/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html" title="trait core::hash::Hash">Hash</a>, </span></h3></section></summary><div class="docblock"><p>Mutably access an element of this map. Panics if the given key is not
present in the map.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="ident">map</span>[<span class="string">"key"</span>] <span class="op">=</span> <span class="macro">json!</span>(<span class="string">"value"</span>);</code></pre></div>
</div><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.index_mut" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#362-364">source</a></span><a href="#method.index_mut" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/ops/index/trait.IndexMut.html#tymethod.index_mut" class="fnname">index_mut</a>(&mut self, index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Q) -> &mut <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a></h4></section></summary><div class='docblock'><p>Performs the mutable indexing (<code>container[index]</code>) operation. <a href="https://doc.rust-lang.org/nightly/core/ops/index/trait.IndexMut.html#tymethod.index_mut">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-IntoIterator" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#823-832">source</a></span><a href="#impl-IntoIterator" class="anchor"></a><h3 class="code-header in-band">impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a> for &'a <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Item" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Item" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" class="associatedtype">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>&'a <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, &'a <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></h4></section></summary><div class='docblock'><p>The type of the elements being iterated over.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.IntoIter" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.IntoIter" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" class="associatedtype">IntoIter</a> = <a class="struct" href="map/struct.Iter.html" title="struct serde_json::map::Iter">Iter</a><'a></h4></section></summary><div class='docblock'><p>Which kind of iterator are we turning this into?</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_iter" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#827-831">source</a></span><a href="#method.into_iter" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter" class="fnname">into_iter</a>(self) -> Self::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" title="type core::iter::traits::collect::IntoIterator::IntoIter">IntoIter</a></h4></section></summary><div class='docblock'><p>Creates an iterator from a value. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-IntoIterator-1" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#848-857">source</a></span><a href="#impl-IntoIterator-1" class="anchor"></a><h3 class="code-header in-band">impl<'a> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a> for &'a mut <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Item-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Item-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" class="associatedtype">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a>&'a <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, &'a mut <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></h4></section></summary><div class='docblock'><p>The type of the elements being iterated over.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.IntoIter-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.IntoIter-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" class="associatedtype">IntoIter</a> = <a class="struct" href="map/struct.IterMut.html" title="struct serde_json::map::IterMut">IterMut</a><'a></h4></section></summary><div class='docblock'><p>Which kind of iterator are we turning this into?</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_iter-1" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#852-856">source</a></span><a href="#method.into_iter-1" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter" class="fnname">into_iter</a>(self) -> Self::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" title="type core::iter::traits::collect::IntoIterator::IntoIter">IntoIter</a></h4></section></summary><div class='docblock'><p>Creates an iterator from a value. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-IntoIterator-2" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#873-882">source</a></span><a href="#impl-IntoIterator-2" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Item-2" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Item-2" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" class="associatedtype">Item</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></h4></section></summary><div class='docblock'><p>The type of the elements being iterated over.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.IntoIter-2" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.IntoIter-2" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" class="associatedtype">IntoIter</a> = <a class="struct" href="map/struct.IntoIter.html" title="struct serde_json::map::IntoIter">IntoIter</a></h4></section></summary><div class='docblock'><p>Which kind of iterator are we turning this into?</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_iter-2" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#877-881">source</a></span><a href="#method.into_iter-2" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter" class="fnname">into_iter</a>(self) -> Self::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" title="type core::iter::traits::collect::IntoIterator::IntoIter">IntoIter</a></h4></section></summary><div class='docblock'><p>Creates an iterator from a value. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PartialEq%3CMap%3CString%2C%20Value%3E%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#309-314">source</a></span><a href="#impl-PartialEq%3CMap%3CString%2C%20Value%3E%3E" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a><<a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>>> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#311-313">source</a></span><a href="#method.eq" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq" class="fnname">eq</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
by <code>==</code>. <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#230">source</a></span><a href="#method.ne" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne" class="fnname">ne</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Rhs) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'><p>This method tests for <code>!=</code>.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Serialize" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#375-388">source</a></span><a href="#impl-Serialize" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="../serde/ser/trait.Serialize.html" title="trait serde::ser::Serialize">Serialize</a> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.serialize" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#377-387">source</a></span><a href="#method.serialize" class="anchor"></a><h4 class="code-header">fn <a href="../serde/ser/trait.Serialize.html#tymethod.serialize" class="fnname">serialize</a><S>(&self, serializer: S) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><S::<a class="associatedtype" href="../serde/ser/trait.Serializer.html#associatedtype.Ok" title="type serde::ser::Serializer::Ok">Ok</a>, S::<a class="associatedtype" href="../serde/ser/trait.Serializer.html#associatedtype.Error" title="type serde::ser::Serializer::Error">Error</a>> <span class="where fmt-newline">where<br> S: <a class="trait" href="../serde/ser/trait.Serializer.html" title="trait serde::ser::Serializer">Serializer</a>, </span></h4></section></summary><div class='docblock'><p>Serialize this value into the given Serde serializer. <a href="../serde/ser/trait.Serialize.html#tymethod.serialize">Read more</a></p>
</div></details></div></details><section id="impl-Eq" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde_json/map.rs.html#316">source</a></span><a href="#impl-Eq" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html" title="trait core::cmp::Eq">Eq</a> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="enum" href="enum.Value.html" title="enum serde_json::Value">Value</a>></h3></section></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"><section id="impl-RefUnwindSafe" class="impl has-srclink"><a href="#impl-RefUnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl<K, V> <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><K, V> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>, </span></h3></section><section id="impl-Send" class="impl has-srclink"><a href="#impl-Send" class="anchor"></a><h3 class="code-header in-band">impl<K, V> <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="struct.Map.html" title="struct serde_json::Map">Map</a><K, V> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>, </span></h3></section><section id="impl-Sync" class="impl has-srclink"><a href="#impl-Sync" class="anchor"></a><h3 class="code-header in-band">impl<K, V> <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="struct.Map.html" title="struct serde_json::Map">Map</a><K, V> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>, </span></h3></section><section id="impl-Unpin" class="impl has-srclink"><a href="#impl-Unpin" class="anchor"></a><h3 class="code-header in-band">impl<K, V> <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="struct.Map.html" title="struct serde_json::Map">Map</a><K, V></h3></section><section id="impl-UnwindSafe" class="impl has-srclink"><a href="#impl-UnwindSafe" class="anchor"></a><h3 class="code-header in-band">impl<K, V> <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Map.html" title="struct serde_json::Map">Map</a><K, V> <span class="where fmt-newline">where<br> K: <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>, </span></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136">source</a></span><a href="#impl-Any" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#133">source</a></span><a href="#method.type_id" class="anchor"></a><h4 class="code-header">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></h4></section></summary><div class='docblock'><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>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209-214">source</a></span><a href="#impl-Borrow%3CT%3E" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211">source</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">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</h4></section></summary><div class='docblock'><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>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-222">source</a></span><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219">source</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">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</h4></section></summary><div class='docblock'><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>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#557-562">source</a></span><a href="#impl-From%3CT%3E" class="anchor"></a><h3 class="code-header 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</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from-1" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#559">source</a></span><a href="#method.from-1" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#541-552">source</a></span><a href="#impl-Into%3CU%3E" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#549">source</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="From">From</a><T> for U</code> chooses to do.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#84-96">source</a></span><a href="#impl-ToOwned" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T <span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, </span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Owned" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'><p>The resulting type after obtaining ownership.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#89">source</a></span><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fnname">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'><p>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#93">source</a></span><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fnname">clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</div></span><div class='docblock'><p>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#598-607">source</a></span><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#604">source</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">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="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#583-592">source</a></span><a href="#impl-TryInto%3CU%3E" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">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="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#589">source</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">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="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><section id="impl-DeserializeOwned" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/serde/de/mod.rs.html#605">source</a></span><a href="#impl-DeserializeOwned" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="../serde/de/trait.DeserializeOwned.html" title="trait serde::de::DeserializeOwned">DeserializeOwned</a> for T <span class="where fmt-newline">where<br> T: for<'de> <a class="trait" href="../serde/de/trait.Deserialize.html" title="trait serde::de::Deserialize">Deserialize</a><'de>, </span></h3></section></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="serde_json" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.62.0-nightly (de1bc0008 2022-04-21)" ></div>
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