Adding large folders

This commit is contained in:
2026-02-26 12:00:21 -05:00
parent 5400d82acd
commit 49701c85ad
47332 changed files with 1942573 additions and 0 deletions

View File

@@ -0,0 +1,3 @@
<!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="Attach a span to a `std::future::Future`."><title>tracing::instrument - 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" 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 instrument</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing/index.html">tracing</a><span class="version">0.1.44</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module instrument</a></h2><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></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="../index.html">In crate tracing</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</a></div><h1>Module <span>instrument</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/instrument.rs.html#1-429">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Attach a span to a <code>std::future::Future</code>.</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.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a></dt><dd>A <a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future</code></a> that has been instrumented with a <code>tracing</code> <a href="../struct.Span.html" title="struct tracing::Span"><code>Span</code></a>.</dd><dt><a class="struct" href="struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">With<wbr>Dispatch</a></dt><dd>A <a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future</code></a> that has been instrumented with a <code>tracing</code> <a href="../trait.Subscriber.html" title="trait tracing::Subscriber"><code>Subscriber</code></a>.</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.Instrument.html" title="trait tracing::instrument::Instrument">Instrument</a></dt><dd>Attaches spans to a <a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>std::future::Future</code></a>.</dd><dt><a class="trait" href="trait.WithSubscriber.html" title="trait tracing::instrument::WithSubscriber">With<wbr>Subscriber</a></dt><dd>Extension trait allowing futures to be instrumented with
a <code>tracing</code> <a href="../trait.Subscriber.html" title="trait tracing::Subscriber"><code>Subscriber</code></a>.</dd></dl></section></div></main></body></html>

View File

@@ -0,0 +1 @@
window.SIDEBAR_ITEMS = {"struct":["Instrumented","WithDispatch"],"trait":["Instrument","WithSubscriber"]};

File diff suppressed because one or more lines are too long

File diff suppressed because one or more lines are too long

View File

@@ -0,0 +1,69 @@
<!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="Attaches spans to a `std::future::Future`."><title>Instrument in tracing::instrument - 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" 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="#">Instrument</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing/index.html">tracing</a><span class="version">0.1.44</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Instrument</a></h2><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.in_current_span" title="in_current_span">in_current_span</a></li><li><a href="#method.instrument" title="instrument">instrument</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In tracing::<wbr>instrument</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</a>::<wbr><a href="index.html">instrument</a></div><h1>Trait <span class="trait">Instrument</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/instrument.rs.html#20-131">Source</a> </span></div><pre class="rust item-decl"><code>pub trait Instrument: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
// Provided methods
fn <a href="#method.instrument" class="fn">instrument</a>(self, span: <a class="struct" href="../struct.Span.html" title="struct tracing::Span">Span</a>) -&gt; <a class="struct" href="struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="Instrumented&lt;Self&gt;"></a> { ... }
<span class="item-spacer"></span> fn <a href="#method.in_current_span" class="fn">in_current_span</a>(self) -&gt; <a class="struct" href="struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="Instrumented&lt;Self&gt;"></a> { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Attaches spans to a <a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>std::future::Future</code></a>.</p>
<p>Extension trait allowing futures to be
instrumented with a <code>tracing</code> <a href="../struct.Span.html" title="struct tracing::Span">span</a>.</p>
</div></details><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.instrument" class="method"><a class="src rightside" href="../../src/tracing/instrument.rs.html#86-91">Source</a><h4 class="code-header">fn <a href="#method.instrument" class="fn">instrument</a>(self, span: <a class="struct" href="../struct.Span.html" title="struct tracing::Span">Span</a>) -&gt; <a class="struct" href="struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="Instrumented&lt;Self&gt;"></a></h4></section></summary><div class="docblock"><p>Instruments this type with the provided <a href="../struct.Span.html" title="struct tracing::Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper.</p>
<p>The attached <a href="../struct.Span.html" title="struct tracing::Span"><code>Span</code></a> will be <a href="../struct.Span.html#method.enter" title="method tracing::Span::enter">entered</a> every time the instrumented
<a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future</code></a> is polled or <a href="https://doc.rust-lang.org/1.93.1/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop"><code>Drop</code></a>ped.</p>
<h5 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h5>
<p>Instrumenting a future:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tracing::Instrument;
<span class="kw">let </span>my_future = <span class="kw">async </span>{
<span class="comment">// ...
</span>};
my_future
.instrument(<span class="macro">tracing::info_span!</span>(<span class="string">"my_future"</span>))
.<span class="kw">await</span></code></pre></div>
<p>The <a href="../struct.Span.html#method.or_current" title="method tracing::Span::or_current"><code>Span::or_current</code></a> combinator can be used in combination with
<code>instrument</code> to ensure that the <a href="../struct.Span.html#method.current" title="associated function tracing::Span::current">current span</a> is attached to the
future if the span passed to <code>instrument</code> is <a href="../struct.Span.html#method.is_disabled" title="method tracing::Span::is_disabled">disabled</a>:</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tracing::Instrument;
<span class="kw">let </span>my_future = <span class="kw">async </span>{
<span class="comment">// ...
</span>};
<span class="kw">let </span>outer_span = <span class="macro">tracing::info_span!</span>(<span class="string">"outer"</span>).entered();
<span class="comment">// If the "my_future" span is enabled, then the spawned task will
// be within both "my_future" *and* "outer", since "outer" is
// "my_future"'s parent. However, if "my_future" is disabled,
// the spawned task will *not* be in any span.
</span>tokio::spawn(
my_future
.instrument(<span class="macro">tracing::debug_span!</span>(<span class="string">"my_future"</span>))
);
<span class="comment">// Using `Span::or_current` ensures the spawned task is instrumented
// with the current span, if the new span passed to `instrument` is
// not enabled. This means that if the "my_future" span is disabled,
// the spawned task will still be instrumented with the "outer" span:
</span>tokio::spawn(
my_future
.instrument(<span class="macro">tracing::debug_span!</span>(<span class="string">"my_future"</span>).or_current())
);</code></pre></div></div></details><details class="toggle method-toggle" open><summary><section id="method.in_current_span" class="method"><a class="src rightside" href="../../src/tracing/instrument.rs.html#128-130">Source</a><h4 class="code-header">fn <a href="#method.in_current_span" class="fn">in_current_span</a>(self) -&gt; <a class="struct" href="struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="Instrumented&lt;Self&gt;"></a></h4></section></summary><div class="docblock"><p>Instruments this type with the <a href="../struct.Span.html#method.current" title="associated function tracing::Span::current">current</a> <a href="../struct.Span.html" title="struct tracing::Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper.</p>
<p>The attached <a href="../struct.Span.html" title="struct tracing::Span"><code>Span</code></a> will be <a href="../struct.Span.html#method.enter" title="method tracing::Span::enter">entered</a> every time the instrumented
<a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future</code></a> is polled or <a href="https://doc.rust-lang.org/1.93.1/core/ops/drop/trait.Drop.html" title="trait core::ops::drop::Drop"><code>Drop</code></a>ped.</p>
<p>This can be used to propagate the current span when spawning a new future.</p>
<h5 id="examples-1"><a class="doc-anchor" href="#examples-1">§</a>Examples</h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tracing::Instrument;
<span class="kw">let </span>span = <span class="macro">tracing::info_span!</span>(<span class="string">"my_span"</span>);
<span class="kw">let </span>_enter = span.enter();
<span class="comment">// ...
</span><span class="kw">let </span>future = <span class="kw">async </span>{
<span class="macro">tracing::debug!</span>(<span class="string">"this event will occur inside `my_span`"</span>);
<span class="comment">// ...
</span>};
tokio::spawn(future.in_current_span());</code></pre></div></div></details></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.93.1/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-Instrument-for-T" class="impl"><a class="src rightside" href="../../src/tracing/instrument.rs.html#325">Source</a><a href="#impl-Instrument-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;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>&gt; <a class="trait" href="../trait.Instrument.html" title="trait tracing::Instrument">Instrument</a> for T</h3></section></div><script src="../../trait.impl/tracing/instrument/trait.Instrument.js" async></script><script type="text/json" id="notable-traits-data">{"Instrumented<Self>":"<h3>Notable traits for <code><a class=\"struct\" href=\"struct.Instrumented.html\" title=\"struct tracing::instrument::Instrumented\">Instrumented</a>&lt;T&gt;</code></h3><pre><code><div class=\"where\">impl&lt;T: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"struct.Instrumented.html\" title=\"struct tracing::instrument::Instrumented\">Instrumented</a>&lt;T&gt;</div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = T::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>"}</script></section></div></main></body></html>

View File

@@ -0,0 +1,58 @@
<!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="Extension trait allowing futures to be instrumented with a `tracing` `Subscriber`."><title>WithSubscriber in tracing::instrument - 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" 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="#">WithSubscriber</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/main/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing/index.html">tracing</a><span class="version">0.1.44</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">With<wbr>Subscriber</a></h2><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.with_current_subscriber" title="with_current_subscriber">with_current_subscriber</a></li><li><a href="#method.with_subscriber" title="with_subscriber">with_subscriber</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In tracing::<wbr>instrument</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</a>::<wbr><a href="index.html">instrument</a></div><h1>Trait <span class="trait">With<wbr>Subscriber</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/instrument.rs.html#136-234">Source</a> </span></div><pre class="rust item-decl"><code>pub trait WithSubscriber: <a class="trait" href="https://doc.rust-lang.org/1.93.1/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
// Provided methods
fn <a href="#method.with_subscriber" class="fn">with_subscriber</a>&lt;S&gt;(self, subscriber: S) -&gt; <a class="struct" href="struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="WithDispatch&lt;Self&gt;"></a>
<span class="where">where S: <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;<a class="struct" href="../struct.Dispatch.html" title="struct tracing::Dispatch">Dispatch</a>&gt;</span> { ... }
<span class="item-spacer"></span> fn <a href="#method.with_current_subscriber" class="fn">with_current_subscriber</a>(self) -&gt; <a class="struct" href="struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="WithDispatch&lt;Self&gt;"></a> { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Extension trait allowing futures to be instrumented with
a <code>tracing</code> <a href="../trait.Subscriber.html" title="trait tracing::Subscriber"><code>Subscriber</code></a>.</p>
</div></details><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.with_subscriber" class="method"><a class="src rightside" href="../../src/tracing/instrument.rs.html#176-184">Source</a><h4 class="code-header">fn <a href="#method.with_subscriber" class="fn">with_subscriber</a>&lt;S&gt;(self, subscriber: S) -&gt; <a class="struct" href="struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="WithDispatch&lt;Self&gt;"></a><div class="where">where
S: <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;<a class="struct" href="../struct.Dispatch.html" title="struct tracing::Dispatch">Dispatch</a>&gt;,</div></h4></section></summary><div class="docblock"><p>Attaches the provided <a href="../trait.Subscriber.html" title="trait tracing::Subscriber"><code>Subscriber</code></a> to this type, returning a
<a href="struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch"><code>WithDispatch</code></a> wrapper.</p>
<p>The attached <a href="../trait.Subscriber.html" title="trait tracing::Subscriber"><code>Subscriber</code></a> will be set as the <a href="../dispatcher/index.html#setting-the-default-subscriber" title="mod tracing::dispatcher">default</a> when the returned
<a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future</code></a> is polled.</p>
<h5 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tracing::instrument::WithSubscriber;
<span class="comment">// Set the default `Subscriber`
</span><span class="kw">let </span>_default = tracing::subscriber::set_default(MySubscriber::default());
<span class="macro">tracing::info!</span>(<span class="string">"this event will be recorded by the default `Subscriber`"</span>);
<span class="comment">// Create a different `Subscriber` and attach it to a future.
</span><span class="kw">let </span>other_subscriber = MyOtherSubscriber::default();
<span class="kw">let </span>future = <span class="kw">async </span>{
<span class="macro">tracing::info!</span>(<span class="string">"this event will be recorded by the other `Subscriber`"</span>);
<span class="comment">// ...
</span>};
future
<span class="comment">// Attach the other `Subscriber` to the future before awaiting it
</span>.with_subscriber(other_subscriber)
.<span class="kw">await</span>;
<span class="comment">// Once the future has completed, we return to the default `Subscriber`.
</span><span class="macro">tracing::info!</span>(<span class="string">"this event will be recorded by the default `Subscriber`"</span>);</code></pre></div></div></details><details class="toggle method-toggle" open><summary><section id="method.with_current_subscriber" class="method"><a class="src rightside" href="../../src/tracing/instrument.rs.html#228-233">Source</a><h4 class="code-header">fn <a href="#method.with_current_subscriber" class="fn">with_current_subscriber</a>(self) -&gt; <a class="struct" href="struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="WithDispatch&lt;Self&gt;"></a></h4></section></summary><div class="docblock"><p>Attaches the current <a href="../dispatcher/index.html#setting-the-default-subscriber" title="mod tracing::dispatcher">default</a> <a href="../trait.Subscriber.html" title="trait tracing::Subscriber"><code>Subscriber</code></a> to this type, returning a
<a href="struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch"><code>WithDispatch</code></a> wrapper.</p>
<p>The attached <code>Subscriber</code> will be set as the <a href="../dispatcher/index.html#setting-the-default-subscriber" title="mod tracing::dispatcher">default</a> when the returned
<a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future</code></a> is polled.</p>
<p>This can be used to propagate the current dispatcher context when
spawning a new future that may run on a different thread.</p>
<h5 id="examples-1"><a class="doc-anchor" href="#examples-1">§</a>Examples</h5>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>tracing::instrument::WithSubscriber;
<span class="comment">// Using `set_default` (rather than `set_global_default`) sets the
// default `Subscriber` for *this* thread only.
</span><span class="kw">let </span>_default = tracing::subscriber::set_default(MySubscriber::default());
<span class="kw">let </span>future = <span class="kw">async </span>{
<span class="comment">// ...
</span>};
<span class="comment">// If a multi-threaded async runtime is in use, this spawned task may
// run on a different thread, in a different default `Subscriber`'s context.
</span>tokio::spawn(future);
<span class="comment">// However, calling `with_current_subscriber` on the future before
// spawning it, ensures that the current thread's default `Subscriber` is
// propagated to the spawned task, regardless of where it executes:
</span>tokio::spawn(future.with_current_subscriber());</code></pre></div></div></details></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.93.1/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-WithSubscriber-for-T" class="impl"><a class="src rightside" href="../../src/tracing/instrument.rs.html#393">Source</a><a href="#impl-WithSubscriber-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;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>&gt; <a class="trait" href="trait.WithSubscriber.html" title="trait tracing::instrument::WithSubscriber">WithSubscriber</a> for T</h3></section></div><script src="../../trait.impl/tracing/instrument/trait.WithSubscriber.js" async></script><script type="text/json" id="notable-traits-data">{"WithDispatch<Self>":"<h3>Notable traits for <code><a class=\"struct\" href=\"struct.WithDispatch.html\" title=\"struct tracing::instrument::WithDispatch\">WithDispatch</a>&lt;T&gt;</code></h3><pre><code><div class=\"where\">impl&lt;T: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"struct.WithDispatch.html\" title=\"struct tracing::instrument::WithDispatch\">WithDispatch</a>&lt;T&gt;</div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = T::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>"}</script></section></div></main></body></html>