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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="Wraps a type implementing `fmt::Debug` as a `Value` that can be recorded using its `Debug` implementation."><title>debug in tracing_core::field - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tracing_core" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="icon" href="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/favicon.ico"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">debug</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing_core/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing_core/index.html">tracing_<wbr>core</a><span class="version">0.1.36</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In tracing_<wbr>core::<wbr>field</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">tracing_core</a>::<wbr><a href="index.html">field</a></div><h1>Function <span class="fn">debug</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/tracing_core/field.rs.html#377-382">Source</a> </span></div><pre class="rust item-decl"><code>pub fn debug&lt;T&gt;(t: T) -&gt; <a class="struct" href="struct.DebugValue.html" title="struct tracing_core::field::DebugValue">DebugValue</a>&lt;T&gt;<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,</div></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Wraps a type implementing <code>fmt::Debug</code> as a <code>Value</code> that can be
recorded using its <code>Debug</code> implementation.</p>
</div></details></section></div></main></body></html>

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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="Wraps a type implementing `fmt::Display` as a `Value` that can be recorded using its `Display` implementation."><title>display in tracing_core::field - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tracing_core" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="icon" href="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/favicon.ico"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">display</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing_core/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing_core/index.html">tracing_<wbr>core</a><span class="version">0.1.36</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In tracing_<wbr>core::<wbr>field</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">tracing_core</a>::<wbr><a href="index.html">field</a></div><h1>Function <span class="fn">display</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/tracing_core/field.rs.html#368-373">Source</a> </span></div><pre class="rust item-decl"><code>pub fn display&lt;T&gt;(t: T) -&gt; <a class="struct" href="struct.DisplayValue.html" title="struct tracing_core::field::DisplayValue">DisplayValue</a>&lt;T&gt;<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Display.html" title="trait core::fmt::Display">Display</a>,</div></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Wraps a type implementing <code>fmt::Display</code> as a <code>Value</code> that can be
recorded using its <code>Display</code> implementation.</p>
</div></details></section></div></main></body></html>

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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="`Span` and `Event` key-value data."><title>tracing_core::field - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tracing_core" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="icon" href="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/favicon.ico"></head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">Module field</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing_core/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing_core/index.html">tracing_<wbr>core</a><span class="version">0.1.36</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module field</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#values-and-subscribers" title="`Value`s and `Subscriber`s"><code>Value</code>s and <code>Subscriber</code>s</a></li><li><a href="#using-valuable" title="Using `valuable`">Using <code>valuable</code></a></li></ul><h3><a href="#structs">Module Items</a></h3><ul class="block"><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#traits" title="Traits">Traits</a></li><li><a href="#functions" title="Functions">Functions</a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="../index.html">In crate tracing_<wbr>core</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">tracing_core</a></div><h1>Module <span>field</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/tracing_core/field.rs.html#1-1372">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p><code>Span</code> and <code>Event</code> key-value data.</p>
<p>Spans and events may be annotated with key-value data, known as <em>fields</em>.
These fields consist of a mapping from a key (corresponding to a <code>&amp;str</code> but
represented internally as an array index) to a <a href="trait.Value.html" title="trait tracing_core::field::Value"><code>Value</code></a>.</p>
<h2 id="values-and-subscribers"><a class="doc-anchor" href="#values-and-subscribers">§</a><code>Value</code>s and <code>Subscriber</code>s</h2>
<p><code>Subscriber</code>s consume <code>Value</code>s as fields attached to <a href="../span/index.html" title="mod tracing_core::span">span</a>s or <a href="../struct.Event.html" title="struct tracing_core::Event"><code>Event</code></a>s.
The set of field keys on a given span or event is defined on its <a href="../struct.Metadata.html" title="struct tracing_core::Metadata"><code>Metadata</code></a>.
When a span is created, it provides <a href="../span/struct.Attributes.html" title="struct tracing_core::span::Attributes"><code>Attributes</code></a> to the <code>Subscriber</code>s
<a href="../trait.Subscriber.html#tymethod.new_span" title="method tracing_core::Subscriber::new_span"><code>new_span</code></a> method, containing any fields whose values were provided when
the span was created; and may call the <code>Subscriber</code>s <a href="../span/struct.Record.html" title="struct tracing_core::span::Record"><code>record</code></a> method
with additional <a href="../span/struct.Record.html" title="struct tracing_core::span::Record"><code>Record</code></a>s if values are added for more of its fields.
Similarly, the <a href="../struct.Event.html" title="struct tracing_core::Event"><code>Event</code></a> type passed to the subscribers <a href="../struct.Event.html" title="struct tracing_core::Event"><code>event</code></a> method
will contain any fields attached to each event.</p>
<p><code>tracing</code> represents values as either one of a set of Rust primitives
(<code>i64</code>, <code>u64</code>, <code>f64</code>, <code>i128</code>, <code>u128</code>, <code>bool</code>, and <code>&amp;str</code>) or using a
<code>fmt::Display</code> or <code>fmt::Debug</code> implementation. <code>Subscriber</code>s are provided
these primitive value types as <code>dyn Value</code> trait objects.</p>
<p>These trait objects can be formatted using <code>fmt::Debug</code>, but may also be
recorded as typed data by calling the <a href="trait.Value.html#tymethod.record" title="method tracing_core::field::Value::record"><code>Value::record</code></a> method on these
trait objects with a <em>visitor</em> implementing the <a href="trait.Visit.html" title="trait tracing_core::field::Visit"><code>Visit</code></a> trait. This trait
represents the behavior used to record values of various types. For example,
an implementation of <code>Visit</code> might record integers by incrementing counters
for their field names rather than printing them.</p>
<h2 id="using-valuable"><a class="doc-anchor" href="#using-valuable">§</a>Using <code>valuable</code></h2>
<p><code>tracing</code>s <a href="trait.Value.html" title="trait tracing_core::field::Value"><code>Value</code></a> trait is intentionally minimalist: it supports only a small
number of Rust primitives as typed values, and only permits recording
user-defined types with their <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug"><code>fmt::Debug</code></a> or <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Display.html" title="trait core::fmt::Display"><code>fmt::Display</code></a>
implementations. However, there are some cases where it may be useful to record
nested values (such as arrays, <code>Vec</code>s, or <code>HashMap</code>s containing values), or
user-defined <code>struct</code> and <code>enum</code> types without having to format them as
unstructured text.</p>
<p>To address <code>Value</code>s limitations, <code>tracing</code> offers experimental support for
the <a href="https://crates.io/crates/valuable"><code>valuable</code></a> crate, which provides object-safe inspection of structured
values. User-defined types can implement the [<code>valuable::Valuable</code>] trait,
and be recorded as a <code>tracing</code> field by calling their <a href="valuable::Valuable::as_value"><code>as_value</code></a> method.
If the <a href="../trait.Subscriber.html" title="trait tracing_core::Subscriber"><code>Subscriber</code></a> also supports the <code>valuable</code> crate, it can
then visit those types fields as structured values using <code>valuable</code>.</p>
<pre class="ignore" style="white-space:normal;font:inherit;">
<strong>Note</strong>: <code>valuable</code> support is an
<a href = "../index.html#unstable-features">unstable feature</a>. See
the documentation on unstable features for details on how to enable it.
</pre>
<p>For example:</p>
<div class="example-wrap ignore"><a href="#" class="tooltip" title="This example is not tested"></a><pre class="rust rust-example-rendered"><code><span class="comment">// Derive `Valuable` for our types:
</span><span class="kw">use </span>valuable::Valuable;
<span class="attr">#[derive(Clone, Debug, Valuable)]
</span><span class="kw">struct </span>User {
name: String,
age: u32,
address: Address,
}
<span class="attr">#[derive(Clone, Debug, Valuable)]
</span><span class="kw">struct </span>Address {
country: String,
city: String,
street: String,
}
<span class="kw">let </span>user = User {
name: <span class="string">"Arwen Undomiel"</span>.to_string(),
age: <span class="number">3000</span>,
address: Address {
country: <span class="string">"Middle Earth"</span>.to_string(),
city: <span class="string">"Rivendell"</span>.to_string(),
street: <span class="string">"leafy lane"</span>.to_string(),
},
};
<span class="comment">// Recording `user` as a `valuable::Value` will allow the `tracing` subscriber
// to traverse its fields as a nested, typed structure:
</span><span class="macro">tracing::info!</span>(current_user = user.as_value());</code></pre></div>
<p>Alternatively, the [<code>valuable()</code>] function may be used to convert a type
implementing <a href="https://crates.io/crates/valuable"><code>Valuable</code></a> into a <code>tracing</code> field value.</p>
<p>When the <code>valuable</code> feature is enabled, the <a href="trait.Visit.html" title="trait tracing_core::field::Visit"><code>Visit</code></a> trait will include an
optional <a href="Visit::record_value"><code>record_value</code></a> method. <code>Visit</code> implementations that wish to
record <code>valuable</code> values can implement this method with custom behavior.
If a visitor does not implement <code>record_value</code>, the [<code>valuable::Value</code>] will
be forwarded to the visitors <a href="trait.Visit.html#tymethod.record_debug" title="method tracing_core::field::Visit::record_debug"><code>record_debug</code></a> method.</p>
</div></details><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.DebugValue.html" title="struct tracing_core::field::DebugValue">Debug<wbr>Value</a></dt><dd>A <code>Value</code> which serializes as a string using <code>fmt::Debug</code>.</dd><dt><a class="struct" href="struct.DisplayValue.html" title="struct tracing_core::field::DisplayValue">Display<wbr>Value</a></dt><dd>A <code>Value</code> which serializes using <code>fmt::Display</code>.</dd><dt><a class="struct" href="struct.Empty.html" title="struct tracing_core::field::Empty">Empty</a></dt><dd>An empty field.</dd><dt><a class="struct" href="struct.Field.html" title="struct tracing_core::field::Field">Field</a></dt><dd>An opaque key allowing <em>O</em>(1) access to a field in a <code>Span</code>s key-value
data.</dd><dt><a class="struct" href="struct.FieldSet.html" title="struct tracing_core::field::FieldSet">Field<wbr>Set</a></dt><dd>Describes the fields present on a span.</dd><dt><a class="struct" href="struct.Iter.html" title="struct tracing_core::field::Iter">Iter</a></dt><dd>An iterator over a set of fields.</dd><dt><a class="struct" href="struct.ValueSet.html" title="struct tracing_core::field::ValueSet">Value<wbr>Set</a></dt><dd>A set of fields and values for a span.</dd></dl><h2 id="traits" class="section-header">Traits<a href="#traits" class="anchor">§</a></h2><dl class="item-table"><dt><a class="trait" href="trait.Value.html" title="trait tracing_core::field::Value">Value</a></dt><dd>A field value of an erased type.</dd><dt><a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a></dt><dd>Visits typed values.</dd></dl><h2 id="functions" class="section-header">Functions<a href="#functions" class="anchor">§</a></h2><dl class="item-table"><dt><a class="fn" href="fn.debug.html" title="fn tracing_core::field::debug">debug</a></dt><dd>Wraps a type implementing <code>fmt::Debug</code> as a <code>Value</code> that can be
recorded using its <code>Debug</code> implementation.</dd><dt><a class="fn" href="fn.display.html" title="fn tracing_core::field::display">display</a></dt><dd>Wraps a type implementing <code>fmt::Display</code> as a <code>Value</code> that can be
recorded using its <code>Display</code> implementation.</dd></dl></section></div></main></body></html>

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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="An iterator over a set of fields."><title>Iter in tracing_core::field - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tracing_core" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="icon" href="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/favicon.ico"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">Iter</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing_core/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing_core/index.html">tracing_<wbr>core</a><span class="version">0.1.36</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Iter</a></h2><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Debug-for-Iter" title="Debug">Debug</a></li><li><a href="#impl-Iterator-for-Iter" title="Iterator">Iterator</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-Iter" title="!RefUnwindSafe">!RefUnwindSafe</a></li><li><a href="#impl-UnwindSafe-for-Iter" title="!UnwindSafe">!UnwindSafe</a></li><li><a href="#impl-Freeze-for-Iter" title="Freeze">Freeze</a></li><li><a href="#impl-Send-for-Iter" title="Send">Send</a></li><li><a href="#impl-Sync-for-Iter" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-Iter" title="Unpin">Unpin</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T" title="Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T" title="Borrow&#60;T&#62;">Borrow&#60;T&#62;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut&#60;T&#62;">BorrowMut&#60;T&#62;</a></li><li><a href="#impl-From%3CT%3E-for-T" title="From&#60;T&#62;">From&#60;T&#62;</a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into&#60;U&#62;">Into&#60;U&#62;</a></li><li><a href="#impl-IntoIterator-for-I" title="IntoIterator">IntoIterator</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom&#60;U&#62;">TryFrom&#60;U&#62;</a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto&#60;U&#62;">TryInto&#60;U&#62;</a></li></ul></section><div id="rustdoc-modnav"><h2><a href="index.html">In tracing_<wbr>core::<wbr>field</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">tracing_core</a>::<wbr><a href="index.html">field</a></div><h1>Struct <span class="struct">Iter</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/tracing_core/field.rs.html#182-185">Source</a> </span></div><pre class="rust item-decl"><code>pub struct Iter { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>An iterator over a set of fields.</p>
</div></details><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-Iter" class="impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#181">Source</a><a href="#impl-Debug-for-Iter" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Iter.html" title="struct tracing_core::field::Iter">Iter</a></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#181">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.93.1/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Iterator-for-Iter" class="impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#1037-1050">Source</a><a href="#impl-Iterator-for-Iter" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a> for <a class="struct" href="struct.Iter.html" title="struct tracing_core::field::Iter">Iter</a></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Item" class="associatedtype trait-impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#1038">Source</a><a href="#associatedtype.Item" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" class="associatedtype">Item</a> = <a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a></h4></section></summary><div class='docblock'>The type of the elements being iterated over.</div></details><details class="toggle method-toggle" open><summary><section id="method.next" class="method trait-impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#1040-1049">Source</a><a href="#method.next" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#tymethod.next" class="fn">next</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>&gt;</h4></section></summary><div class='docblock'>Advances the iterator and returns the next value. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#tymethod.next">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.next_chunk" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#110-114">Source</a><a href="#method.next_chunk" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.next_chunk" class="fn">next_chunk</a>&lt;const N: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>&gt;(
&amp;mut self,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;[Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.array.html">N</a>], <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/array/iter/struct.IntoIter.html" title="struct core::array::iter::IntoIter">IntoIter</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>, N&gt;&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_next_chunk</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/98326">#98326</a>)</span></div></span><div class='docblock'>Advances the iterator and returns an array containing the next <code>N</code> values. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.next_chunk">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.size_hint" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#187">Source</a></span><a href="#method.size_hint" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.size_hint" class="fn">size_hint</a>(&amp;self) -&gt; (<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>, <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>&gt;)</h4></section></summary><div class='docblock'>Returns the bounds on the remaining length of the iterator. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.size_hint">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.count" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#222-224">Source</a></span><a href="#method.count" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.count" class="fn">count</a>(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Consumes the iterator, counting the number of iterations and returning it. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.count">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.last" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#250-252">Source</a></span><a href="#method.last" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.last" class="fn">last</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Consumes the iterator, returning the last element. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.last">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.advance_by" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#297">Source</a><a href="#method.advance_by" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.advance_by" class="fn">advance_by</a>(&amp;mut self, n: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>, <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/num/nonzero/struct.NonZero.html" title="struct core::num::nonzero::NonZero">NonZero</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>&gt;&gt;</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_advance_by</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/77404">#77404</a>)</span></div></span><div class='docblock'>Advances the iterator by <code>n</code> elements. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.advance_by">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.nth" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#374">Source</a></span><a href="#method.nth" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.nth" class="fn">nth</a>(&amp;mut self, n: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;</h4></section></summary><div class='docblock'>Returns the <code>n</code>th element of the iterator. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.nth">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.step_by" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.28.0">1.28.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#424-426">Source</a></span><a href="#method.step_by" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.step_by" class="fn">step_by</a>(self, step: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/step_by/struct.StepBy.html" title="struct core::iter::adapters::step_by::StepBy">StepBy</a>&lt;Self&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Creates an iterator starting at the same point, but stepping by
the given amount at each iteration. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.step_by">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.chain" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#495-498">Source</a></span><a href="#method.chain" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.chain" class="fn">chain</a>&lt;U&gt;(self, other: U) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/chain/struct.Chain.html" title="struct core::iter::adapters::chain::Chain">Chain</a>&lt;Self, &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" title="type core::iter::traits::collect::IntoIterator::IntoIter">IntoIter</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&lt;Item = Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;,</div></h4></section></summary><div class='docblock'>Takes two iterators and creates a new iterator over both in sequence. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.chain">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.zip" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#613-616">Source</a></span><a href="#method.zip" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.zip" class="fn">zip</a>&lt;U&gt;(self, other: U) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/zip/struct.Zip.html" title="struct core::iter::adapters::zip::Zip">Zip</a>&lt;Self, &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" title="type core::iter::traits::collect::IntoIterator::IntoIter">IntoIter</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,</div></h4></section></summary><div class='docblock'>Zips up two iterators into a single iterator of pairs. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.zip">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.intersperse" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#656-659">Source</a><a href="#method.intersperse" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.intersperse" class="fn">intersperse</a>(self, separator: Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/intersperse/struct.Intersperse.html" title="struct core::iter::adapters::intersperse::Intersperse">Intersperse</a>&lt;Self&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_intersperse</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/79524">#79524</a>)</span></div></span><div class='docblock'>Creates a new iterator which places a copy of <code>separator</code> between adjacent
items of the original iterator. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.intersperse">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.intersperse_with" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#714-717">Source</a><a href="#method.intersperse_with" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.intersperse_with" class="fn">intersperse_with</a>&lt;G&gt;(self, separator: G) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/intersperse/struct.IntersperseWith.html" title="struct core::iter::adapters::intersperse::IntersperseWith">IntersperseWith</a>&lt;Self, G&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
G: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>() -&gt; Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_intersperse</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/79524">#79524</a>)</span></div></span><div class='docblock'>Creates a new iterator which places an item generated by <code>separator</code>
between adjacent items of the original iterator. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.intersperse_with">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.map" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#773-776">Source</a></span><a href="#method.map" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.map" class="fn">map</a>&lt;B, F&gt;(self, f: F) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/map/struct.Map.html" title="struct core::iter::adapters::map::Map">Map</a>&lt;Self, F&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; B,</div></h4></section></summary><div class='docblock'>Takes a closure and creates an iterator which calls that closure on each
element. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.map">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.for_each" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.21.0">1.21.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#818-821">Source</a></span><a href="#method.for_each" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.for_each" class="fn">for_each</a>&lt;F&gt;(self, f: F)<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>),</div></h4></section></summary><div class='docblock'>Calls a closure on each element of an iterator. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.for_each">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.filter" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#893-896">Source</a></span><a href="#method.filter" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.filter" class="fn">filter</a>&lt;P&gt;(self, predicate: P) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/filter/struct.Filter.html" title="struct core::iter::adapters::filter::Filter">Filter</a>&lt;Self, P&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class='docblock'>Creates an iterator which uses a closure to determine if an element
should be yielded. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.filter">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.filter_map" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#938-941">Source</a></span><a href="#method.filter_map" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.filter_map" class="fn">filter_map</a>&lt;B, F&gt;(self, f: F) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/filter_map/struct.FilterMap.html" title="struct core::iter::adapters::filter_map::FilterMap">FilterMap</a>&lt;Self, F&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;B&gt;,</div></h4></section></summary><div class='docblock'>Creates an iterator that both filters and maps. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.filter_map">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.enumerate" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#985-987">Source</a></span><a href="#method.enumerate" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.enumerate" class="fn">enumerate</a>(self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/enumerate/struct.Enumerate.html" title="struct core::iter::adapters::enumerate::Enumerate">Enumerate</a>&lt;Self&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Creates an iterator which gives the current iteration count as well as
the next value. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.enumerate">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.peekable" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1056-1058">Source</a></span><a href="#method.peekable" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.peekable" class="fn">peekable</a>(self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/peekable/struct.Peekable.html" title="struct core::iter::adapters::peekable::Peekable">Peekable</a>&lt;Self&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Creates an iterator which can use the <a href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/peekable/struct.Peekable.html#method.peek" title="method core::iter::adapters::peekable::Peekable::peek"><code>peek</code></a> and <a href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/peekable/struct.Peekable.html#method.peek_mut" title="method core::iter::adapters::peekable::Peekable::peek_mut"><code>peek_mut</code></a> methods
to look at the next element of the iterator without consuming it. See
their documentation for more information. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.peekable">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.skip_while" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1121-1124">Source</a></span><a href="#method.skip_while" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.skip_while" class="fn">skip_while</a>&lt;P&gt;(self, predicate: P) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/skip_while/struct.SkipWhile.html" title="struct core::iter::adapters::skip_while::SkipWhile">SkipWhile</a>&lt;Self, P&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class='docblock'>Creates an iterator that <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.skip" title="method core::iter::traits::iterator::Iterator::skip"><code>skip</code></a>s elements based on a predicate. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.skip_while">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.take_while" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1199-1202">Source</a></span><a href="#method.take_while" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.take_while" class="fn">take_while</a>&lt;P&gt;(self, predicate: P) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/take_while/struct.TakeWhile.html" title="struct core::iter::adapters::take_while::TakeWhile">TakeWhile</a>&lt;Self, P&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class='docblock'>Creates an iterator that yields elements based on a predicate. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.take_while">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.map_while" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.57.0">1.57.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1287-1290">Source</a></span><a href="#method.map_while" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.map_while" class="fn">map_while</a>&lt;B, P&gt;(self, predicate: P) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/map_while/struct.MapWhile.html" title="struct core::iter::adapters::map_while::MapWhile">MapWhile</a>&lt;Self, P&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;B&gt;,</div></h4></section></summary><div class='docblock'>Creates an iterator that both yields elements based on a predicate and maps. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.map_while">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.skip" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1316-1318">Source</a></span><a href="#method.skip" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.skip" class="fn">skip</a>(self, n: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/skip/struct.Skip.html" title="struct core::iter::adapters::skip::Skip">Skip</a>&lt;Self&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Creates an iterator that skips the first <code>n</code> elements. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.skip">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.take" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1388-1390">Source</a></span><a href="#method.take" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.take" class="fn">take</a>(self, n: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/take/struct.Take.html" title="struct core::iter::adapters::take::Take">Take</a>&lt;Self&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Creates an iterator that yields the first <code>n</code> elements, or fewer
if the underlying iterator ends sooner. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.take">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.scan" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1435-1438">Source</a></span><a href="#method.scan" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.scan" class="fn">scan</a>&lt;St, B, F&gt;(self, initial_state: St, f: F) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/scan/struct.Scan.html" title="struct core::iter::adapters::scan::Scan">Scan</a>&lt;Self, St, F&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&amp;mut St</a>, Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;B&gt;,</div></h4></section></summary><div class='docblock'>An iterator adapter which, like <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.fold" title="method core::iter::traits::iterator::Iterator::fold"><code>fold</code></a>, holds internal state, but
unlike <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.fold" title="method core::iter::traits::iterator::Iterator::fold"><code>fold</code></a>, produces a new iterator. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.scan">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.flat_map" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1473-1477">Source</a></span><a href="#method.flat_map" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.flat_map" class="fn">flat_map</a>&lt;U, F&gt;(self, f: F) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/flatten/struct.FlatMap.html" title="struct core::iter::adapters::flatten::FlatMap">FlatMap</a>&lt;Self, U, F&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; U,</div></h4></section></summary><div class='docblock'>Creates an iterator that works like map, but flattens nested structure. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.flat_map">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.map_windows" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1713-1716">Source</a><a href="#method.map_windows" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.map_windows" class="fn">map_windows</a>&lt;F, R, const N: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>&gt;(self, f: F) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/map_windows/struct.MapWindows.html" title="struct core::iter::adapters::map_windows::MapWindows">MapWindows</a>&lt;Self, F, N&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;[Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.array.html">N</a>]) -&gt; R,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_map_windows</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/87155">#87155</a>)</span></div></span><div class='docblock'>Calls the given function <code>f</code> for each contiguous window of size <code>N</code> over
<code>self</code> and returns an iterator over the outputs of <code>f</code>. Like <a href="https://doc.rust-lang.org/1.93.1/std/primitive.slice.html#method.windows" title="method slice::windows"><code>slice::windows()</code></a>,
the windows during mapping overlap as well. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.map_windows">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.fuse" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1775-1777">Source</a></span><a href="#method.fuse" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.fuse" class="fn">fuse</a>(self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/fuse/struct.Fuse.html" title="struct core::iter::adapters::fuse::Fuse">Fuse</a>&lt;Self&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Creates an iterator which ends after the first <a href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html#variant.None" title="variant core::option::Option::None"><code>None</code></a>. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.fuse">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.inspect" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1859-1862">Source</a></span><a href="#method.inspect" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.inspect" class="fn">inspect</a>&lt;F&gt;(self, f: F) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/inspect/struct.Inspect.html" title="struct core::iter::adapters::inspect::Inspect">Inspect</a>&lt;Self, F&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>),</div></h4></section></summary><div class='docblock'>Does something with each element of an iterator, passing the value on. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.inspect">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.by_ref" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#1896-1898">Source</a></span><a href="#method.by_ref" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.by_ref" class="fn">by_ref</a>(&amp;mut self) -&gt; &amp;mut Self<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Creates a “by reference” adapter for this instance of <code>Iterator</code>. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.by_ref">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.collect" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2015-2017">Source</a></span><a href="#method.collect" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.collect" class="fn">collect</a>&lt;B&gt;(self) -&gt; B<div class="where">where
B: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.FromIterator.html" title="trait core::iter::traits::collect::FromIterator">FromIterator</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Transforms an iterator into a collection. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.collect">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.collect_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2174-2176">Source</a><a href="#method.collect_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.collect_into" class="fn">collect_into</a>&lt;E&gt;(self, collection: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&amp;mut E</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&amp;mut E</a><div class="where">where
E: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.Extend.html" title="trait core::iter::traits::collect::Extend">Extend</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_collect_into</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/94780">#94780</a>)</span></div></span><div class='docblock'>Collects all the items from an iterator into a collection. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.collect_into">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.partition" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2206-2210">Source</a></span><a href="#method.partition" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.partition" class="fn">partition</a>&lt;B, F&gt;(self, f: F) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.tuple.html">(B, B)</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
B: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/default/trait.Default.html" title="trait core::default::Default">Default</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.Extend.html" title="trait core::iter::traits::collect::Extend">Extend</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class='docblock'>Consumes an iterator, creating two collections from it. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.partition">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.is_partitioned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2325-2328">Source</a><a href="#method.is_partitioned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.is_partitioned" class="fn">is_partitioned</a>&lt;P&gt;(self, predicate: P) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_is_partitioned</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/62544">#62544</a>)</span></div></span><div class='docblock'>Checks if the elements of this iterator are partitioned according to the given predicate,
such that all those that return <code>true</code> precede all those that return <code>false</code>. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.is_partitioned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.try_fold" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.27.0">1.27.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2419-2423">Source</a></span><a href="#method.try_fold" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.try_fold" class="fn">try_fold</a>&lt;B, F, R&gt;(&amp;mut self, init: B, f: F) -&gt; R<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(B, Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; R,
R: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html" title="trait core::ops::try_trait::Try">Try</a>&lt;Output = B&gt;,</div></h4></section></summary><div class='docblock'>An iterator method that applies a function as long as it returns
successfully, producing a single, final value. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.try_fold">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.try_for_each" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.27.0">1.27.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2477-2481">Source</a></span><a href="#method.try_for_each" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.try_for_each" class="fn">try_for_each</a>&lt;F, R&gt;(&amp;mut self, f: F) -&gt; R<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; R,
R: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html" title="trait core::ops::try_trait::Try">Try</a>&lt;Output = <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.unit.html">()</a>&gt;,</div></h4></section></summary><div class='docblock'>An iterator method that applies a fallible function to each item in the
iterator, stopping at the first error and returning that error. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.try_for_each">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.fold" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2596-2599">Source</a></span><a href="#method.fold" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.fold" class="fn">fold</a>&lt;B, F&gt;(self, init: B, f: F) -&gt; B<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(B, Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; B,</div></h4></section></summary><div class='docblock'>Folds every element into an accumulator by applying an operation,
returning the final result. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.fold">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.reduce" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.51.0">1.51.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2633-2636">Source</a></span><a href="#method.reduce" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.reduce" class="fn">reduce</a>&lt;F&gt;(self, f: F) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>, Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>,</div></h4></section></summary><div class='docblock'>Reduces the elements to a single one, by repeatedly applying a reducing
operation. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.reduce">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.try_reduce" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2704-2710">Source</a><a href="#method.try_reduce" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.try_reduce" class="fn">try_reduce</a>&lt;R&gt;(
&amp;mut self,
f: impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>, Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; R,
) -&gt; &lt;&lt;R as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html" title="trait core::ops::try_trait::Try">Try</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html#associatedtype.Residual" title="type core::ops::try_trait::Try::Residual">Residual</a> as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Residual.html" title="trait core::ops::try_trait::Residual">Residual</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&lt;R as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html" title="trait core::ops::try_trait::Try">Try</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html#associatedtype.Output" title="type core::ops::try_trait::Try::Output">Output</a>&gt;&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Residual.html#associatedtype.TryType" title="type core::ops::try_trait::Residual::TryType">TryType</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
R: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html" title="trait core::ops::try_trait::Try">Try</a>&lt;Output = Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;,
&lt;R as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html" title="trait core::ops::try_trait::Try">Try</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html#associatedtype.Residual" title="type core::ops::try_trait::Try::Residual">Residual</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Residual.html" title="trait core::ops::try_trait::Residual">Residual</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;&gt;,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iterator_try_reduce</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/87053">#87053</a>)</span></div></span><div class='docblock'>Reduces the elements to a single one by repeatedly applying a reducing operation. If the
closure returns a failure, the failure is propagated back to the caller immediately. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.try_reduce">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.all" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2762-2765">Source</a></span><a href="#method.all" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.all" class="fn">all</a>&lt;F&gt;(&amp;mut self, f: F) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class='docblock'>Tests if every element of the iterator matches a predicate. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.all">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.any" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2815-2818">Source</a></span><a href="#method.any" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.any" class="fn">any</a>&lt;F&gt;(&amp;mut self, f: F) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class='docblock'>Tests if any element of the iterator matches a predicate. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.any">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.find" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2877-2880">Source</a></span><a href="#method.find" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.find" class="fn">find</a>&lt;P&gt;(&amp;mut self, predicate: P) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class='docblock'>Searches for an element of an iterator that satisfies a predicate. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.find">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.find_map" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.30.0">1.30.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2908-2911">Source</a></span><a href="#method.find_map" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.find_map" class="fn">find_map</a>&lt;B, F&gt;(&amp;mut self, f: F) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;B&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;B&gt;,</div></h4></section></summary><div class='docblock'>Applies function to the elements of iterator and returns
the first non-none result. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.find_map">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.try_find" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#2966-2972">Source</a><a href="#method.try_find" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.try_find" class="fn">try_find</a>&lt;R&gt;(
&amp;mut self,
f: impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; R,
) -&gt; &lt;&lt;R as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html" title="trait core::ops::try_trait::Try">Try</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html#associatedtype.Residual" title="type core::ops::try_trait::Try::Residual">Residual</a> as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Residual.html" title="trait core::ops::try_trait::Residual">Residual</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Residual.html#associatedtype.TryType" title="type core::ops::try_trait::Residual::TryType">TryType</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
R: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html" title="trait core::ops::try_trait::Try">Try</a>&lt;Output = <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>&gt;,
&lt;R as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html" title="trait core::ops::try_trait::Try">Try</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Try.html#associatedtype.Residual" title="type core::ops::try_trait::Try::Residual">Residual</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/try_trait/trait.Residual.html" title="trait core::ops::try_trait::Residual">Residual</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;&gt;,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>try_find</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/63178">#63178</a>)</span></div></span><div class='docblock'>Applies function to the elements of iterator and returns
the first true result or the first error. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.try_find">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.position" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3049-3052">Source</a></span><a href="#method.position" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.position" class="fn">position</a>&lt;P&gt;(&amp;mut self, predicate: P) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class='docblock'>Searches for an element in an iterator, returning its index. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.position">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.max_by_key" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.6.0">1.6.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3221-3224">Source</a></span><a href="#method.max_by_key" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.max_by_key" class="fn">max_by_key</a>&lt;B, F&gt;(self, f: F) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;<div class="where">where
B: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a>,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; B,</div></h4></section></summary><div class='docblock'>Returns the element that gives the maximum value from the
specified function. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.max_by_key">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.max_by" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.15.0">1.15.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3254-3257">Source</a></span><a href="#method.max_by" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.max_by" class="fn">max_by</a>&lt;F&gt;(self, compare: F) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>, &amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>,</div></h4></section></summary><div class='docblock'>Returns the element that gives the maximum value with respect to the
specified comparison function. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.max_by">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.min_by_key" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.6.0">1.6.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3281-3284">Source</a></span><a href="#method.min_by_key" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.min_by_key" class="fn">min_by_key</a>&lt;B, F&gt;(self, f: F) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;<div class="where">where
B: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Ord.html" title="trait core::cmp::Ord">Ord</a>,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; B,</div></h4></section></summary><div class='docblock'>Returns the element that gives the minimum value from the
specified function. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.min_by_key">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.min_by" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.15.0">1.15.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3314-3317">Source</a></span><a href="#method.min_by" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.min_by" class="fn">min_by</a>&lt;F&gt;(self, compare: F) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>, &amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>,</div></h4></section></summary><div class='docblock'>Returns the element that gives the minimum value with respect to the
specified comparison function. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.min_by">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.unzip" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3387-3391">Source</a></span><a href="#method.unzip" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.unzip" class="fn">unzip</a>&lt;A, B, FromA, FromB&gt;(self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.tuple.html">(FromA, FromB)</a><div class="where">where
FromA: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/default/trait.Default.html" title="trait core::default::Default">Default</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.Extend.html" title="trait core::iter::traits::collect::Extend">Extend</a>&lt;A&gt;,
FromB: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/default/trait.Default.html" title="trait core::default::Default">Default</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.Extend.html" title="trait core::iter::traits::collect::Extend">Extend</a>&lt;B&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a>&lt;Item = <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.tuple.html">(A, B)</a>&gt;,</div></h4></section></summary><div class='docblock'>Converts an iterator of pairs into a pair of containers. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.unzip">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.copied" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.36.0">1.36.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3418-3421">Source</a></span><a href="#method.copied" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.copied" class="fn">copied</a>&lt;'a, T&gt;(self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/copied/struct.Copied.html" title="struct core::iter::adapters::copied::Copied">Copied</a>&lt;Self&gt;<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> + 'a,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a>&lt;Item = <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&amp;'a T</a>&gt;,</div></h4></section></summary><div class='docblock'>Creates an iterator which copies all of its elements. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.copied">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.cloned" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3466-3469">Source</a></span><a href="#method.cloned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.cloned" class="fn">cloned</a>&lt;'a, T&gt;(self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/cloned/struct.Cloned.html" title="struct core::iter::adapters::cloned::Cloned">Cloned</a>&lt;Self&gt;<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + 'a,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a>&lt;Item = <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&amp;'a T</a>&gt;,</div></h4></section></summary><div class='docblock'>Creates an iterator which <a href="https://doc.rust-lang.org/1.93.1/core/clone/trait.Clone.html#tymethod.clone" title="method core::clone::Clone::clone"><code>clone</code></a>s all of its elements. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.cloned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.array_chunks" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3540-3542">Source</a><a href="#method.array_chunks" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.array_chunks" class="fn">array_chunks</a>&lt;const N: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.usize.html">usize</a>&gt;(self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/iter/adapters/array_chunks/struct.ArrayChunks.html" title="struct core::iter::adapters::array_chunks::ArrayChunks">ArrayChunks</a>&lt;Self, N&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_array_chunks</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/100450">#100450</a>)</span></div></span><div class='docblock'>Returns an iterator over <code>N</code> elements of the iterator at a time. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.array_chunks">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.sum" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.11.0">1.11.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3576-3579">Source</a></span><a href="#method.sum" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.sum" class="fn">sum</a>&lt;S&gt;(self) -&gt; S<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
S: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/accum/trait.Sum.html" title="trait core::iter::traits::accum::Sum">Sum</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;,</div></h4></section></summary><div class='docblock'>Sums the elements of an iterator. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.sum">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.product" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.11.0">1.11.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3608-3611">Source</a></span><a href="#method.product" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.product" class="fn">product</a>&lt;P&gt;(self) -&gt; P<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
P: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/accum/trait.Product.html" title="trait core::iter::traits::accum::Product">Product</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>&gt;,</div></h4></section></summary><div class='docblock'>Iterates over the entire iterator, multiplying all the elements <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.product">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.cmp_by" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3656-3660">Source</a><a href="#method.cmp_by" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.cmp_by" class="fn">cmp_by</a>&lt;I, F&gt;(self, other: I, cmp: F) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>, &lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_order_by</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/64295">#64295</a>)</span></div></span><div class='docblock'><a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Ord.html#lexicographical-comparison" title="trait core::cmp::Ord">Lexicographically</a> compares the elements of this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> with those
of another with respect to the specified comparison function. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.cmp_by">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.partial_cmp" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.5.0">1.5.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3712-3716">Source</a></span><a href="#method.partial_cmp" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.partial_cmp" class="fn">partial_cmp</a>&lt;I&gt;(self, other: I) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>&gt;<div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>&lt;&lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'><a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Ord.html#lexicographical-comparison" title="trait core::cmp::Ord">Lexicographically</a> compares the <a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd"><code>PartialOrd</code></a> elements of
this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> with those of another. The comparison works like short-circuit
evaluation, returning a result without comparing the remaining elements.
As soon as an order can be determined, the evaluation stops and a result is returned. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.partial_cmp">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.partial_cmp_by" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3748-3752">Source</a><a href="#method.partial_cmp_by" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.partial_cmp_by" class="fn">partial_cmp_by</a>&lt;I, F&gt;(self, other: I, partial_cmp: F) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>, &lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="enum" href="https://doc.rust-lang.org/1.93.1/core/cmp/enum.Ordering.html" title="enum core::cmp::Ordering">Ordering</a>&gt;,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_order_by</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/64295">#64295</a>)</span></div></span><div class='docblock'><a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Ord.html#lexicographical-comparison" title="trait core::cmp::Ord">Lexicographically</a> compares the elements of this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> with those
of another with respect to the specified comparison function. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.partial_cmp_by">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.5.0">1.5.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3781-3785">Source</a></span><a href="#method.eq" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.eq" class="fn">eq</a>&lt;I&gt;(self, other: I) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a>&lt;&lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Determines if the elements of this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> are equal to those of
another. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.eq">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.eq_by" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3804-3808">Source</a><a href="#method.eq_by" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.eq_by" class="fn">eq_by</a>&lt;I, F&gt;(self, other: I, eq: F) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>, &lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_order_by</code>&nbsp;<a href="https://github.com/tokio-rs/tracing/issues/64295">#64295</a>)</span></div></span><div class='docblock'>Determines if the elements of this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> are equal to those of
another with respect to the specified equality function. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.eq_by">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.5.0">1.5.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3833-3837">Source</a></span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.ne" class="fn">ne</a>&lt;I&gt;(self, other: I) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a>&lt;&lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Determines if the elements of this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> are not equal to those of
another. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.ne">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.lt" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.5.0">1.5.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3854-3858">Source</a></span><a href="#method.lt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.lt" class="fn">lt</a>&lt;I&gt;(self, other: I) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>&lt;&lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Determines if the elements of this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> are <a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Ord.html#lexicographical-comparison" title="trait core::cmp::Ord">lexicographically</a>
less than those of another. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.lt">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.le" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.5.0">1.5.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3875-3879">Source</a></span><a href="#method.le" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.le" class="fn">le</a>&lt;I&gt;(self, other: I) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>&lt;&lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Determines if the elements of this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> are <a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Ord.html#lexicographical-comparison" title="trait core::cmp::Ord">lexicographically</a>
less or equal to those of another. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.le">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.gt" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.5.0">1.5.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3896-3900">Source</a></span><a href="#method.gt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.gt" class="fn">gt</a>&lt;I&gt;(self, other: I) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>&lt;&lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Determines if the elements of this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> are <a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Ord.html#lexicographical-comparison" title="trait core::cmp::Ord">lexicographically</a>
greater than those of another. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.gt">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.ge" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.5.0">1.5.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3917-3921">Source</a></span><a href="#method.ge" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.ge" class="fn">ge</a>&lt;I&gt;(self, other: I) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>&lt;&lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::collect::IntoIterator::Item">Item</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Determines if the elements of this <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator"><code>Iterator</code></a> are <a href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.Ord.html#lexicographical-comparison" title="trait core::cmp::Ord">lexicographically</a>
greater than or equal to those of another. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.ge">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.is_sorted_by" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.82.0">1.82.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#3972-3975">Source</a></span><a href="#method.is_sorted_by" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.is_sorted_by" class="fn">is_sorted_by</a>&lt;F&gt;(self, compare: F) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>, &amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>,</div></h4></section></summary><div class='docblock'>Checks if the elements of this iterator are sorted using the given comparator function. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.is_sorted_by">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.is_sorted_by_key" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.82.0">1.82.0</span> · <a class="src" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/iterator.rs.html#4016-4020">Source</a></span><a href="#method.is_sorted_by_key" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.is_sorted_by_key" class="fn">is_sorted_by_key</a>&lt;F, K&gt;(self, f: F) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a>) -&gt; K,
K: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/cmp/trait.PartialOrd.html" title="trait core::cmp::PartialOrd">PartialOrd</a>,</div></h4></section></summary><div class='docblock'>Checks if the elements of this iterator are sorted using the given key extraction
function. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#method.is_sorted_by_key">Read more</a></div></details></div></details></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-Iter" class="impl"><a href="#impl-Freeze-for-Iter" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.Iter.html" title="struct tracing_core::field::Iter">Iter</a></h3></section><section id="impl-RefUnwindSafe-for-Iter" class="impl"><a href="#impl-RefUnwindSafe-for-Iter" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Iter.html" title="struct tracing_core::field::Iter">Iter</a></h3></section><section id="impl-Send-for-Iter" class="impl"><a href="#impl-Send-for-Iter" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Iter.html" title="struct tracing_core::field::Iter">Iter</a></h3></section><section id="impl-Sync-for-Iter" class="impl"><a href="#impl-Sync-for-Iter" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Iter.html" title="struct tracing_core::field::Iter">Iter</a></h3></section><section id="impl-Unpin-for-Iter" class="impl"><a href="#impl-Unpin-for-Iter" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Iter.html" title="struct tracing_core::field::Iter">Iter</a></h3></section><section id="impl-UnwindSafe-for-Iter" class="impl"><a href="#impl-UnwindSafe-for-Iter" class="anchor">§</a><h3 class="code-header">impl !<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Iter.html" title="struct tracing_core::field::Iter">Iter</a></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/any.rs.html#138">Source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/any.rs.html#139">Source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.93.1/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/borrow.rs.html#212">Source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/borrow.rs.html#214">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/borrow.rs.html#221">Source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/borrow.rs.html#222">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.93.1/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#785">Source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#788">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#767-769">Source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#777">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -&gt; 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/1.93.1/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IntoIterator-for-I" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/collect.rs.html#314">Source</a><a href="#impl-IntoIterator-for-I" class="anchor">§</a><h3 class="code-header">impl&lt;I&gt; <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a> for I<div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Item-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/collect.rs.html#315">Source</a><a href="#associatedtype.Item-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.Item" class="associatedtype">Item</a> = &lt;I as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html" title="trait core::iter::traits::iterator::Iterator">Iterator</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/iter/traits/iterator/trait.Iterator.html#associatedtype.Item" title="type core::iter::traits::iterator::Iterator::Item">Item</a></h4></section></summary><div class='docblock'>The type of the elements being iterated over.</div></details><details class="toggle" open><summary><section id="associatedtype.IntoIter" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/collect.rs.html#316">Source</a><a href="#associatedtype.IntoIter" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#associatedtype.IntoIter" class="associatedtype">IntoIter</a> = I</h4></section></summary><div class='docblock'>Which kind of iterator are we turning this into?</div></details><details class="toggle method-toggle" open><summary><section id="method.into_iter" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/iter/traits/collect.rs.html#319">Source</a><a href="#method.into_iter" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter" class="fn">into_iter</a>(self) -&gt; I</h4></section></summary><div class='docblock'>Creates an iterator from a value. <a href="https://doc.rust-lang.org/1.93.1/core/iter/traits/collect/trait.IntoIterator.html#tymethod.into_iter">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#827-829">Source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#831">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#834">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#811-813">Source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#815">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.93.1/src/core/convert/mod.rs.html#818">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.93.1/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html>

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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="Visits typed values."><title>Visit in tracing_core::field - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tracing_core" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="icon" href="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/favicon.ico"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">Visit</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing_core/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing_core/index.html">tracing_<wbr>core</a><span class="version">0.1.36</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Visit</a></h2><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#examples" title="Examples">Examples</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.record_debug" title="record_debug">record_debug</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.record_bool" title="record_bool">record_bool</a></li><li><a href="#method.record_bytes" title="record_bytes">record_bytes</a></li><li><a href="#method.record_error" title="record_error">record_error</a></li><li><a href="#method.record_f64" title="record_f64">record_f64</a></li><li><a href="#method.record_i64" title="record_i64">record_i64</a></li><li><a href="#method.record_i128" title="record_i128">record_i128</a></li><li><a href="#method.record_str" title="record_str">record_str</a></li><li><a href="#method.record_u64" title="record_u64">record_u64</a></li><li><a href="#method.record_u128" title="record_u128">record_u128</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-Visit-for-DebugMap%3C'_,+'_%3E" title="DebugMap&#60;&#39;_, &#39;_&#62;">DebugMap&#60;&#39;_, &#39;_&#62;</a></li><li><a href="#impl-Visit-for-DebugStruct%3C'_,+'_%3E" title="DebugStruct&#60;&#39;_, &#39;_&#62;">DebugStruct&#60;&#39;_, &#39;_&#62;</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In tracing_<wbr>core::<wbr>field</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">tracing_core</a>::<wbr><a href="index.html">field</a></div><h1>Trait <span class="trait">Visit</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/tracing_core/field.rs.html#275-341">Source</a> </span></div><pre class="rust item-decl"><code>pub trait Visit {
// Required method
fn <a href="#tymethod.record_debug" class="fn">record_debug</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;dyn <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>);
// Provided methods
fn <a href="#method.record_f64" class="fn">record_f64</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.f64.html">f64</a>) { ... }
<span class="item-spacer"></span> fn <a href="#method.record_i64" class="fn">record_i64</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.i64.html">i64</a>) { ... }
<span class="item-spacer"></span> fn <a href="#method.record_u64" class="fn">record_u64</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u64.html">u64</a>) { ... }
<span class="item-spacer"></span> fn <a href="#method.record_i128" class="fn">record_i128</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.i128.html">i128</a>) { ... }
<span class="item-spacer"></span> fn <a href="#method.record_u128" class="fn">record_u128</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u128.html">u128</a>) { ... }
<span class="item-spacer"></span> fn <a href="#method.record_bool" class="fn">record_bool</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>) { ... }
<span class="item-spacer"></span> fn <a href="#method.record_str" class="fn">record_str</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.str.html">str</a>) { ... }
<span class="item-spacer"></span> fn <a href="#method.record_bytes" class="fn">record_bytes</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;[<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>]) { ... }
<span class="item-spacer"></span> fn <a href="#method.record_error" class="fn">record_error</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;(dyn <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + 'static)) { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Visits typed values.</p>
<p>An instance of <code>Visit</code> (“a visitor”) represents the logic necessary to
record field values of various types. When an implementor of <a href="trait.Value.html" title="trait tracing_core::field::Value"><code>Value</code></a> is
<a href="trait.Value.html#tymethod.record" title="method tracing_core::field::Value::record">recorded</a>, it calls the appropriate method on the provided visitor to
indicate the type that value should be recorded as.</p>
<p>When a <a href="../trait.Subscriber.html" title="trait tracing_core::Subscriber"><code>Subscriber</code></a> implementation <a href="../trait.Subscriber.html#tymethod.event" title="method tracing_core::Subscriber::event">records an <code>Event</code></a> or a
<a href="../trait.Subscriber.html#tymethod.record" title="method tracing_core::Subscriber::record">set of <code>Value</code>s added to a <code>Span</code></a>, it can pass an <code>&amp;mut Visit</code> to the
<code>record</code> method on the provided <a href="struct.ValueSet.html" title="struct tracing_core::field::ValueSet"><code>ValueSet</code></a> or <a href="../struct.Event.html" title="struct tracing_core::Event"><code>Event</code></a>. This visitor
will then be used to record all the field-value pairs present on that
<code>Event</code> or <code>ValueSet</code>.</p>
<h2 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h2>
<p>A simple visitor that writes to a string might be implemented like so:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fmt::{<span class="self">self</span>, Write};
<span class="kw">use </span>tracing::field::{Value, Visit, Field};
<span class="kw">pub struct </span>StringVisitor&lt;<span class="lifetime">'a</span>&gt; {
string: <span class="kw-2">&amp;</span><span class="lifetime">'a </span><span class="kw-2">mut </span>String,
}
<span class="kw">impl</span>&lt;<span class="lifetime">'a</span>&gt; Visit <span class="kw">for </span>StringVisitor&lt;<span class="lifetime">'a</span>&gt; {
<span class="kw">fn </span>record_debug(<span class="kw-2">&amp;mut </span><span class="self">self</span>, field: <span class="kw-2">&amp;</span>Field, value: <span class="kw-2">&amp;</span><span class="kw">dyn </span>fmt::Debug) {
<span class="macro">write!</span>(<span class="self">self</span>.string, <span class="string">"{} = {:?}; "</span>, field.name(), value).unwrap();
}
}</code></pre></div>
<p>This visitor will format each recorded value using <code>fmt::Debug</code>, and
append the field name and formatted value to the provided string,
regardless of the type of the recorded value. When all the values have
been recorded, the <code>StringVisitor</code> may be dropped, allowing the string
to be printed or stored in some other data structure.</p>
<p>The <code>Visit</code> trait provides default implementations for <code>record_i64</code>,
<code>record_u64</code>, <code>record_bool</code>, <code>record_str</code>, and <code>record_error</code>, which simply
forward the recorded value to <code>record_debug</code>. Thus, <code>record_debug</code> is the
only method which a <code>Visit</code> implementation <em>must</em> implement. However,
visitors may override the default implementations of these functions in
order to implement type-specific behavior.</p>
<p>Additionally, when a visitor receives a value of a type it does not care
about, it is free to ignore those values completely. For example, a
visitor which only records numeric data might look like this:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">pub struct </span>SumVisitor {
sum: i64,
}
<span class="kw">impl </span>Visit <span class="kw">for </span>SumVisitor {
<span class="kw">fn </span>record_i64(<span class="kw-2">&amp;mut </span><span class="self">self</span>, _field: <span class="kw-2">&amp;</span>Field, value: i64) {
<span class="self">self</span>.sum += value;
}
<span class="kw">fn </span>record_u64(<span class="kw-2">&amp;mut </span><span class="self">self</span>, _field: <span class="kw-2">&amp;</span>Field, value: u64) {
<span class="self">self</span>.sum += value <span class="kw">as </span>i64;
}
<span class="kw">fn </span>record_debug(<span class="kw-2">&amp;mut </span><span class="self">self</span>, _field: <span class="kw-2">&amp;</span>Field, _value: <span class="kw-2">&amp;</span><span class="kw">dyn </span>fmt::Debug) {
<span class="comment">// Do nothing
</span>}
}</code></pre></div>
<p>This visitor (which is probably not particularly useful) keeps a running
sum of all the numeric values it records, and ignores all other values. A
more practical example of recording typed values is presented in
<code>examples/counters.rs</code>, which demonstrates a very simple metrics system
implemented using <code>tracing</code>.</p>
<div class="example-wrap" style="display:inline-block">
<pre class="ignore" style="white-space:normal;font:inherit;">
<strong>Note</strong>: The <code>record_error</code> trait method is only
available when the Rust standard library is present, as it requires the
<code>std::error::Error</code> trait.
</pre></div>
</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.record_debug" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#340">Source</a><h4 class="code-header">fn <a href="#tymethod.record_debug" class="fn">record_debug</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;dyn <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>)</h4></section></summary><div class="docblock"><p>Visit a value implementing <code>fmt::Debug</code>.</p>
</div></details></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.record_f64" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#286-288">Source</a><h4 class="code-header">fn <a href="#method.record_f64" class="fn">record_f64</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.f64.html">f64</a>)</h4></section></summary><div class="docblock"><p>Visit a double-precision floating point value.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.record_i64" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#291-293">Source</a><h4 class="code-header">fn <a href="#method.record_i64" class="fn">record_i64</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.i64.html">i64</a>)</h4></section></summary><div class="docblock"><p>Visit a signed 64-bit integer value.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.record_u64" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#296-298">Source</a><h4 class="code-header">fn <a href="#method.record_u64" class="fn">record_u64</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u64.html">u64</a>)</h4></section></summary><div class="docblock"><p>Visit an unsigned 64-bit integer value.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.record_i128" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#301-303">Source</a><h4 class="code-header">fn <a href="#method.record_i128" class="fn">record_i128</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.i128.html">i128</a>)</h4></section></summary><div class="docblock"><p>Visit a signed 128-bit integer value.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.record_u128" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#306-308">Source</a><h4 class="code-header">fn <a href="#method.record_u128" class="fn">record_u128</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u128.html">u128</a>)</h4></section></summary><div class="docblock"><p>Visit an unsigned 128-bit integer value.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.record_bool" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#311-313">Source</a><h4 class="code-header">fn <a href="#method.record_bool" class="fn">record_bool</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: <a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.bool.html">bool</a>)</h4></section></summary><div class="docblock"><p>Visit a boolean value.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.record_str" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#316-318">Source</a><h4 class="code-header">fn <a href="#method.record_str" class="fn">record_str</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.str.html">str</a>)</h4></section></summary><div class="docblock"><p>Visit a string value.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.record_bytes" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#321-323">Source</a><h4 class="code-header">fn <a href="#method.record_bytes" class="fn">record_bytes</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;[<a class="primitive" href="https://doc.rust-lang.org/1.93.1/std/primitive.u8.html">u8</a>])</h4></section></summary><div class="docblock"><p>Visit a byte slice.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.record_error" class="method"><a class="src rightside" href="../../src/tracing_core/field.rs.html#335-337">Source</a><h4 class="code-header">fn <a href="#method.record_error" class="fn">record_error</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;(dyn <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/error/trait.Error.html" title="trait core::error::Error">Error</a> + 'static))</h4></section></summary><div class="docblock"><p>Records a type implementing <code>Error</code>.</p>
<div class="example-wrap" style="display:inline-block">
<pre class="ignore" style="white-space:normal;font:inherit;">
<strong>Note</strong>: This is only enabled when the Rust standard library is
present.
</pre>
</div></div></details></div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-Visit-for-DebugMap%3C'_,+'_%3E" class="impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#425-429">Source</a><a href="#impl-Visit-for-DebugMap%3C'_,+'_%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a> for <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/builders/struct.DebugMap.html" title="struct core::fmt::builders::DebugMap">DebugMap</a>&lt;'_, '_&gt;</h3></section></summary><div class="impl-items"><section id="method.record_debug" class="method trait-impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#426-428">Source</a><a href="#method.record_debug" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.record_debug" class="fn">record_debug</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;dyn <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>)</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Visit-for-DebugStruct%3C'_,+'_%3E" class="impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#419-423">Source</a><a href="#impl-Visit-for-DebugStruct%3C'_,+'_%3E" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a> for <a class="struct" href="https://doc.rust-lang.org/1.93.1/core/fmt/builders/struct.DebugStruct.html" title="struct core::fmt::builders::DebugStruct">DebugStruct</a>&lt;'_, '_&gt;</h3></section></summary><div class="impl-items"><section id="method.record_debug-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#420-422">Source</a><a href="#method.record_debug-1" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.record_debug" class="fn">record_debug</a>(&amp;mut self, field: &amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, value: &amp;dyn <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>)</h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-Visit-for-F" class="impl"><a class="src rightside" href="../../src/tracing_core/field.rs.html#431-438">Source</a><a href="#impl-Visit-for-F" class="anchor">§</a><h3 class="code-header">impl&lt;F&gt; <a class="trait" href="trait.Visit.html" title="trait tracing_core::field::Visit">Visit</a> for F<div class="where">where
F: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/ops/function/trait.FnMut.html" title="trait core::ops::function::FnMut">FnMut</a>(&amp;<a class="struct" href="../struct.Field.html" title="struct tracing_core::Field">Field</a>, &amp;dyn <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>),</div></h3></section></div><script src="../../trait.impl/tracing_core/field/trait.Visit.js" data-ignore-extern-crates="core" async></script></section></div></main></body></html>