edlang/tracing_subscriber/layer/struct.Layered.html
2024-03-02 09:26:34 +00:00

77 lines
79 KiB
HTML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!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="A `Subscriber` composed of a `Subscriber` wrapped by one or more `Layer`s."><title>Layered in tracing_subscriber::layer - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="tracing_subscriber" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></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]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="logo-container" href="../../tracing_subscriber/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../tracing_subscriber/index.html"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt="logo"></a><h2><a href="../../tracing_subscriber/index.html">tracing_subscriber</a><span class="version">0.3.18</span></h2></div><h2 class="location"><a href="#">Layered</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.downcast_ref">downcast_ref</a></li><li><a href="#method.is">is</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Clone-for-Layered%3CL,+I,+S%3E">Clone</a></li><li><a href="#impl-Debug-for-Layered%3CA,+B,+S%3E">Debug</a></li><li><a href="#impl-Layer%3CS%3E-for-Layered%3CA,+B,+S%3E">Layer&lt;S&gt;</a></li><li><a href="#impl-LookupSpan%3C'a%3E-for-Layered%3CL,+S%3E">LookupSpan&lt;&#x27;a&gt;</a></li><li><a href="#impl-Subscriber-for-Layered%3CL,+S%3E">Subscriber</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-Layered%3CL,+I,+S%3E">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Layered%3CL,+I,+S%3E">Send</a></li><li><a href="#impl-Sync-for-Layered%3CL,+I,+S%3E">Sync</a></li><li><a href="#impl-Unpin-for-Layered%3CL,+I,+S%3E">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Layered%3CL,+I,+S%3E">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-T">From&lt;T&gt;</a></li><li><a href="#impl-Instrument-for-T">Instrument</a></li><li><a href="#impl-Into%3CU%3E-for-T">Into&lt;U&gt;</a></li><li><a href="#impl-SubscriberExt-for-S">SubscriberExt</a></li><li><a href="#impl-SubscriberInitExt-for-T">SubscriberInitExt</a></li><li><a href="#impl-ToOwned-for-T">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-T">TryInto&lt;U&gt;</a></li><li><a href="#impl-WithSubscriber-for-T">WithSubscriber</a></li></ul></section><h2><a href="index.html">In tracing_subscriber::layer</a></h2></div></nav><div class="sidebar-resizer"></div>
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../tracing_subscriber/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Struct <a href="../index.html">tracing_subscriber</a>::<wbr><a href="index.html">layer</a>::<wbr><a class="struct" href="#">Layered</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../src/tracing_subscriber/layer/layered.rs.html#22-61">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub struct Layered&lt;L, I, S = I&gt; { <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>A <a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a> composed of a <code>Subscriber</code> wrapped by one or more
<a href="trait.Layer.html" title="trait tracing_subscriber::layer::Layer"><code>Layer</code></a>s.</p>
</div></details><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Layered%3CL,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#65-87">source</a><a href="#impl-Layered%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;L, S&gt; <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, S&gt;<div class="where">where
L: <a class="trait" href="trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a>&lt;S&gt;,
S: <a class="trait" href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber">Subscriber</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.is" class="method"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#71-73">source</a><h4 class="code-header">pub fn <a href="#method.is" class="fn">is</a>&lt;T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a>&gt;(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class="docblock"><p>Returns <code>true</code> if this <a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a> is the same type as <code>T</code>.</p>
</div></details><details class="toggle method-toggle" open><summary><section id="method.downcast_ref" class="method"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#77-86">source</a><h4 class="code-header">pub fn <a href="#method.downcast_ref" class="fn">downcast_ref</a>&lt;T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a>&gt;(&amp;self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;T</a>&gt;</h4></section></summary><div class="docblock"><p>Returns some reference to this <a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a> value if it is of type <code>T</code>,
or <code>None</code> if it isnt.</p>
</div></details></div></details></div><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-Clone-for-Layered%3CL,+I,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#21">source</a><a href="#impl-Clone-for-Layered%3CL,+I,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;L: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>, S: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, I, S&gt;</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#21">source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&amp;self) -&gt; <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, I, S&gt;</h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" 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/1.76.0/src/core/clone.rs.html#169">source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;Self</a>)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-Layered%3CA,+B,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#528-554">source</a><a href="#impl-Debug-for-Layered%3CA,+B,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;A, B, S&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;A, B, S&gt;<div class="where">where
A: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,
B: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,</div></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_subscriber/layer/layered.rs.html#533-553">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Layer%3CS%3E-for-Layered%3CA,+B,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#241-383">source</a><a href="#impl-Layer%3CS%3E-for-Layered%3CA,+B,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;S, A, B&gt; <a class="trait" href="trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a>&lt;S&gt; for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;A, B, S&gt;<div class="where">where
A: <a class="trait" href="trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a>&lt;S&gt;,
B: <a class="trait" href="trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a>&lt;S&gt;,
S: <a class="trait" href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber">Subscriber</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.on_register_dispatch" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#247-250">source</a><a href="#method.on_register_dispatch" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_register_dispatch" class="fn">on_register_dispatch</a>(&amp;self, subscriber: &amp;<a class="struct" href="../../tracing_core/dispatcher/struct.Dispatch.html" title="struct tracing_core::dispatcher::Dispatch">Dispatch</a>)</h4></section></summary><div class='docblock'>Performs late initialization when installing this layer as a
<a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a>. <a href="trait.Layer.html#method.on_register_dispatch">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.on_layer" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#252-255">source</a><a href="#method.on_layer" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_layer" class="fn">on_layer</a>(&amp;mut self, subscriber: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut S</a>)</h4></section></summary><div class='docblock'>Performs late initialization when attaching a <code>Layer</code> to a
<a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a>. <a href="trait.Layer.html#method.on_layer">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.register_callsite" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#257-261">source</a><a href="#method.register_callsite" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.register_callsite" class="fn">register_callsite</a>(&amp;self, metadata: &amp;'static <a class="struct" href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata">Metadata</a>&lt;'static&gt;) -&gt; <a class="struct" href="../../tracing_core/subscriber/struct.Interest.html" title="struct tracing_core::subscriber::Interest">Interest</a></h4></section></summary><div class='docblock'>Registers a new callsite with this layer, returning whether or not
the layer is interested in being notified about the callsite, similarly
to <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.register_callsite" title="method tracing_core::subscriber::Subscriber::register_callsite"><code>Subscriber::register_callsite</code></a>. <a href="trait.Layer.html#method.register_callsite">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.enabled" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#263-271">source</a><a href="#method.enabled" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.enabled" class="fn">enabled</a>(&amp;self, metadata: &amp;<a class="struct" href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata">Metadata</a>&lt;'_&gt;, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Returns <code>true</code> if this layer is interested in a span or event with the
given <code>metadata</code> in the current <a href="struct.Context.html" title="struct tracing_subscriber::layer::Context"><code>Context</code></a>, similarly to
<a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.enabled" title="method tracing_core::subscriber::Subscriber::enabled"><code>Subscriber::enabled</code></a>. <a href="trait.Layer.html#method.enabled">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.on_new_span" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#282-285">source</a><a href="#method.on_new_span" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_new_span" class="fn">on_new_span</a>(&amp;self, attrs: &amp;<a class="struct" href="../../tracing_core/span/struct.Attributes.html" title="struct tracing_core::span::Attributes">Attributes</a>&lt;'_&gt;, id: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;)</h4></section></summary><div class='docblock'>Notifies this layer that a new span was constructed with the given
<code>Attributes</code> and <code>Id</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.on_record" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#288-291">source</a><a href="#method.on_record" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_record" class="fn">on_record</a>(&amp;self, span: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, values: &amp;<a class="struct" href="../../tracing_core/span/struct.Record.html" title="struct tracing_core::span::Record">Record</a>&lt;'_&gt;, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;)</h4></section></summary><div class='docblock'>Notifies this layer that a span with the given <code>Id</code> recorded the given
<code>values</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.on_follows_from" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#294-297">source</a><a href="#method.on_follows_from" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_follows_from" class="fn">on_follows_from</a>(&amp;self, span: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, follows: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;)</h4></section></summary><div class='docblock'>Notifies this layer that a span with the ID <code>span</code> recorded that it
follows from the span with the ID <code>follows</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.event_enabled" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#300-308">source</a><a href="#method.event_enabled" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.event_enabled" class="fn">event_enabled</a>(&amp;self, event: &amp;<a class="struct" href="../../tracing_core/event/struct.Event.html" title="struct tracing_core::event::Event">Event</a>&lt;'_&gt;, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Called before <a href="trait.Layer.html#method.on_event"><code>on_event</code></a>, to determine if <code>on_event</code> should be called.</div></details><details class="toggle method-toggle" open><summary><section id="method.on_event" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#311-314">source</a><a href="#method.on_event" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_event" class="fn">on_event</a>(&amp;self, event: &amp;<a class="struct" href="../../tracing_core/event/struct.Event.html" title="struct tracing_core::event::Event">Event</a>&lt;'_&gt;, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;)</h4></section></summary><div class='docblock'>Notifies this layer that an event has occurred.</div></details><details class="toggle method-toggle" open><summary><section id="method.on_enter" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#317-320">source</a><a href="#method.on_enter" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_enter" class="fn">on_enter</a>(&amp;self, id: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;)</h4></section></summary><div class='docblock'>Notifies this layer that a span with the given ID was entered.</div></details><details class="toggle method-toggle" open><summary><section id="method.on_exit" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#323-326">source</a><a href="#method.on_exit" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_exit" class="fn">on_exit</a>(&amp;self, id: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;)</h4></section></summary><div class='docblock'>Notifies this layer that the span with the given ID was exited.</div></details><details class="toggle method-toggle" open><summary><section id="method.on_close" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#329-332">source</a><a href="#method.on_close" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_close" class="fn">on_close</a>(&amp;self, id: <a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;)</h4></section></summary><div class='docblock'>Notifies this layer that the span with the given ID has been closed.</div></details><details class="toggle method-toggle" open><summary><section id="method.on_id_change" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#335-338">source</a><a href="#method.on_id_change" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.on_id_change" class="fn">on_id_change</a>(&amp;self, old: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, new: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, ctx: <a class="struct" href="struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a>&lt;'_, S&gt;)</h4></section></summary><div class='docblock'>Notifies this layer that a span ID has been cloned, and that the
subscriber returned a different ID.</div></details><details class="toggle method-toggle" open><summary><section id="method.and_then" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/mod.rs.html#1039-1046">source</a><a href="#method.and_then" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.and_then" class="fn">and_then</a>&lt;L&gt;(self, layer: L) -&gt; <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, Self, S&gt;<div class="where">where
L: <a class="trait" href="trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a>&lt;S&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Composes this layer around the given <code>Layer</code>, returning a <code>Layered</code>
struct implementing <code>Layer</code>. <a href="trait.Layer.html#method.and_then">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.with_subscriber" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/mod.rs.html#1091-1098">source</a><a href="#method.with_subscriber" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.with_subscriber" class="fn">with_subscriber</a>(self, inner: S) -&gt; <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;Self, S&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Composes this <code>Layer</code> with the given <a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a>, returning a
<code>Layered</code> struct that implements <a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a>. <a href="trait.Layer.html#method.with_subscriber">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.with_filter" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/mod.rs.html#1110-1116">source</a><a href="#method.with_filter" class="anchor">§</a><h4 class="code-header">fn <a href="trait.Layer.html#method.with_filter" class="fn">with_filter</a>&lt;F&gt;(self, filter: F) -&gt; <a class="struct" href="../filter/struct.Filtered.html" title="struct tracing_subscriber::filter::Filtered">Filtered</a>&lt;Self, F, S&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,
F: <a class="trait" href="trait.Filter.html" title="trait tracing_subscriber::layer::Filter">Filter</a>&lt;S&gt;,</div></h4></section></summary><div class='docblock'>Combines <code>self</code> with a <a href="trait.Filter.html" title="trait tracing_subscriber::layer::Filter"><code>Filter</code></a>, returning a <a href="../filter/struct.Filtered.html" title="struct tracing_subscriber::filter::Filtered"><code>Filtered</code></a> layer. <a href="trait.Layer.html#method.with_filter">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-LookupSpan%3C'a%3E-for-Layered%3CL,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#385-399">source</a><a href="#impl-LookupSpan%3C'a%3E-for-Layered%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a, L, S&gt; <a class="trait" href="../registry/trait.LookupSpan.html" title="trait tracing_subscriber::registry::LookupSpan">LookupSpan</a>&lt;'a&gt; for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, S&gt;<div class="where">where
S: <a class="trait" href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber">Subscriber</a> + <a class="trait" href="../registry/trait.LookupSpan.html" title="trait tracing_subscriber::registry::LookupSpan">LookupSpan</a>&lt;'a&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Data" class="associatedtype trait-impl"><a href="#associatedtype.Data" class="anchor">§</a><h4 class="code-header">type <a href="../registry/trait.LookupSpan.html#associatedtype.Data" class="associatedtype">Data</a> = &lt;S as <a class="trait" href="../registry/trait.LookupSpan.html" title="trait tracing_subscriber::registry::LookupSpan">LookupSpan</a>&lt;'a&gt;&gt;::<a class="associatedtype" href="../registry/trait.LookupSpan.html#associatedtype.Data" title="type tracing_subscriber::registry::LookupSpan::Data">Data</a></h4></section></summary><div class='docblock'>The type of span data stored in this registry.</div></details><details class="toggle method-toggle" open><summary><section id="method.span_data" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#391-393">source</a><a href="#method.span_data" class="anchor">§</a><h4 class="code-header">fn <a href="../registry/trait.LookupSpan.html#tymethod.span_data" class="fn">span_data</a>(&amp;'a self, id: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="../registry/trait.LookupSpan.html#associatedtype.Data" title="type tracing_subscriber::registry::LookupSpan::Data">Data</a>&gt;</h4></section></summary><div class='docblock'>Returns the <a href="../registry/trait.SpanData.html" title="trait tracing_subscriber::registry::SpanData"><code>SpanData</code></a> for a given <code>Id</code>, if it exists.</div></details><details class="toggle method-toggle" open><summary><section id="method.register_filter" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#396-398">source</a><a href="#method.register_filter" class="anchor">§</a><h4 class="code-header">fn <a href="../registry/trait.LookupSpan.html#method.register_filter" class="fn">register_filter</a>(&amp;mut self) -&gt; <a class="struct" href="../filter/struct.FilterId.html" title="struct tracing_subscriber::filter::FilterId">FilterId</a></h4></section></summary><div class='docblock'>Registers a <a href="trait.Filter.html" title="trait tracing_subscriber::layer::Filter"><code>Filter</code></a> for <a href="trait.Layer.html#per-layer-filtering" title="trait tracing_subscriber::layer::Layer">per-layer filtering</a> with this
<a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a>. <a href="../registry/trait.LookupSpan.html#method.register_filter">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.span" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/registry/mod.rs.html#118-129">source</a><a href="#method.span" class="anchor">§</a><h4 class="code-header">fn <a href="../registry/trait.LookupSpan.html#method.span" class="fn">span</a>(&amp;'a self, id: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../registry/struct.SpanRef.html" title="struct tracing_subscriber::registry::SpanRef">SpanRef</a>&lt;'_, Self&gt;&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Returns a <a href="../registry/struct.SpanRef.html" title="struct tracing_subscriber::registry::SpanRef"><code>SpanRef</code></a> for the span with the given <code>Id</code>, if it exists. <a href="../registry/trait.LookupSpan.html#method.span">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Subscriber-for-Layered%3CL,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#89-239">source</a><a href="#impl-Subscriber-for-Layered%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;L, S&gt; <a class="trait" href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber">Subscriber</a> for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, S&gt;<div class="where">where
L: <a class="trait" href="trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a>&lt;S&gt;,
S: <a class="trait" href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber">Subscriber</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.register_callsite-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#94-98">source</a><a href="#method.register_callsite-1" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.register_callsite" class="fn">register_callsite</a>(&amp;self, metadata: &amp;'static <a class="struct" href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata">Metadata</a>&lt;'static&gt;) -&gt; <a class="struct" href="../../tracing_core/subscriber/struct.Interest.html" title="struct tracing_core::subscriber::Interest">Interest</a></h4></section></summary><div class='docblock'>Registers a new <a href="../../tracing_core/callsite/index.html" title="mod tracing_core::callsite">callsite</a> with this subscriber, returning whether or not
the subscriber is interested in being notified about the callsite. <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.register_callsite">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.enabled-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#100-115">source</a><a href="#method.enabled-1" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.enabled" class="fn">enabled</a>(&amp;self, metadata: &amp;<a class="struct" href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata">Metadata</a>&lt;'_&gt;) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Returns true if a span or event with the specified <a href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata">metadata</a> would be
recorded. <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.enabled">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.max_level_hint" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#117-123">source</a><a href="#method.max_level_hint" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.max_level_hint" class="fn">max_level_hint</a>(&amp;self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../filter/struct.LevelFilter.html" title="struct tracing_subscriber::filter::LevelFilter">LevelFilter</a>&gt;</h4></section></summary><div class='docblock'>Returns the highest <a href="../../tracing_core/metadata/struct.Level.html" title="struct tracing_core::metadata::Level">verbosity level</a> that this <code>Subscriber</code> will
enable, or <code>None</code>, if the subscriber does not implement level-based
filtering or chooses not to implement this method. <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.max_level_hint">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.new_span" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#125-129">source</a><a href="#method.new_span" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.new_span" class="fn">new_span</a>(&amp;self, span: &amp;<a class="struct" href="../../tracing_core/span/struct.Attributes.html" title="struct tracing_core::span::Attributes">Attributes</a>&lt;'_&gt;) -&gt; <a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a></h4></section></summary><div class='docblock'>Visit the construction of a new span, returning a new <a href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">span ID</a> for the
span being constructed. <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.new_span">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.record" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#131-134">source</a><a href="#method.record" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.record" class="fn">record</a>(&amp;self, span: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, values: &amp;<a class="struct" href="../../tracing_core/span/struct.Record.html" title="struct tracing_core::span::Record">Record</a>&lt;'_&gt;)</h4></section></summary><div class='docblock'>Record a set of values on a span. <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.record">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.record_follows_from" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#136-139">source</a><a href="#method.record_follows_from" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.record_follows_from" class="fn">record_follows_from</a>(&amp;self, span: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, follows: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>)</h4></section></summary><div class='docblock'>Adds an indication that <code>span</code> follows from the span with the id
<code>follows</code>. <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.record_follows_from">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.event_enabled-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#141-149">source</a><a href="#method.event_enabled-1" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.event_enabled" class="fn">event_enabled</a>(&amp;self, event: &amp;<a class="struct" href="../../tracing_core/event/struct.Event.html" title="struct tracing_core::event::Event">Event</a>&lt;'_&gt;) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Determine if an <a href="../../tracing_core/event/struct.Event.html" title="struct tracing_core::event::Event"><code>Event</code></a> should be recorded. <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.event_enabled">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.event" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#151-154">source</a><a href="#method.event" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.event" class="fn">event</a>(&amp;self, event: &amp;<a class="struct" href="../../tracing_core/event/struct.Event.html" title="struct tracing_core::event::Event">Event</a>&lt;'_&gt;)</h4></section></summary><div class='docblock'>Records that an <a href="../../tracing_core/event/struct.Event.html" title="struct tracing_core::event::Event"><code>Event</code></a> has occurred. <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.event">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.enter" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#156-159">source</a><a href="#method.enter" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.enter" class="fn">enter</a>(&amp;self, span: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>)</h4></section></summary><div class='docblock'>Records that a span has been entered. <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.enter">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.exit" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#161-164">source</a><a href="#method.exit" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.exit" class="fn">exit</a>(&amp;self, span: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>)</h4></section></summary><div class='docblock'>Records that a span has been exited. <a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.exit">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_span" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#166-172">source</a><a href="#method.clone_span" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.clone_span" class="fn">clone_span</a>(&amp;self, old: &amp;<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>) -&gt; <a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a></h4></section></summary><div class='docblock'>Notifies the subscriber that a <a href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">span ID</a> has been cloned. <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.clone_span">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.drop_span" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#175-177">source</a><a href="#method.drop_span" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.drop_span" class="fn">drop_span</a>(&amp;self, id: <a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>)</h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 0.1.2: use <code>Subscriber::try_close</code> instead</span></div></span><div class='docblock'><strong>This method is deprecated.</strong> <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.drop_span">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.try_close" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#179-201">source</a><a href="#method.try_close" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.try_close" class="fn">try_close</a>(&amp;self, id: <a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Notifies the subscriber that a <a href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">span ID</a> has been dropped, and returns
<code>true</code> if there are now 0 IDs that refer to that span. <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.try_close">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.current_span" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/layered.rs.html#204-206">source</a><a href="#method.current_span" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.current_span" class="fn">current_span</a>(&amp;self) -&gt; <a class="struct" href="../../tracing_core/span/struct.Current.html" title="struct tracing_core::span::Current">Current</a></h4></section></summary><div class='docblock'>Returns a type representing this subscribers view of the current span. <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.current_span">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.on_register_dispatch-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_core/subscriber.rs.html#103">source</a><a href="#method.on_register_dispatch-1" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.on_register_dispatch" class="fn">on_register_dispatch</a>(&amp;self, subscriber: &amp;<a class="struct" href="../../tracing_core/dispatcher/struct.Dispatch.html" title="struct tracing_core::dispatcher::Dispatch">Dispatch</a>)</h4></section></summary><div class='docblock'>Invoked when this subscriber becomes a <a href="../../tracing_core/dispatcher/struct.Dispatch.html" title="struct tracing_core::dispatcher::Dispatch"><code>Dispatch</code></a>. <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.on_register_dispatch">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.downcast_raw" class="method trait-impl"><a class="src rightside" href="../../src/tracing_core/subscriber.rs.html#495">source</a><a href="#method.downcast_raw" class="anchor">§</a><h4 class="code-header">unsafe fn <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.downcast_raw" class="fn">downcast_raw</a>(&amp;self, id: <a class="struct" href="https://doc.rust-lang.org/1.76.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a>) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.pointer.html">*const </a><a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a>&gt;</h4></section></summary><div class='docblock'>If <code>self</code> is the same type as the provided <code>TypeId</code>, returns an untyped
<code>*const</code> pointer to that type. Otherwise, returns <code>None</code>. <a href="../../tracing_core/subscriber/trait.Subscriber.html#method.downcast_raw">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-RefUnwindSafe-for-Layered%3CL,+I,+S%3E" class="impl"><a href="#impl-RefUnwindSafe-for-Layered%3CL,+I,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;L, I, S&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, I, S&gt;<div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,
L: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,</div></h3></section><section id="impl-Send-for-Layered%3CL,+I,+S%3E" class="impl"><a href="#impl-Send-for-Layered%3CL,+I,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;L, I, S&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, I, S&gt;<div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,
L: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,</div></h3></section><section id="impl-Sync-for-Layered%3CL,+I,+S%3E" class="impl"><a href="#impl-Sync-for-Layered%3CL,+I,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;L, I, S&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, I, S&gt;<div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,
L: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,</div></h3></section><section id="impl-Unpin-for-Layered%3CL,+I,+S%3E" class="impl"><a href="#impl-Unpin-for-Layered%3CL,+I,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;L, I, S&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, I, S&gt;<div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,
L: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</div></h3></section><section id="impl-UnwindSafe-for-Layered%3CL,+I,+S%3E" class="impl"><a href="#impl-UnwindSafe-for-Layered%3CL,+I,+S%3E" class="anchor">§</a><h3 class="code-header">impl&lt;L, I, S&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, I, S&gt;<div class="where">where
I: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>,
L: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>,</div></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/1.76.0/src/core/any.rs.html#140">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/1.76.0/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/1.76.0/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/1.76.0/src/core/any.rs.html#141">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/src/core/borrow.rs.html#208">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/1.76.0/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/1.76.0/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/1.76.0/src/core/borrow.rs.html#210">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/src/core/borrow.rs.html#216">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/1.76.0/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/1.76.0/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/1.76.0/src/core/borrow.rs.html#217">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#763">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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#766">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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-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&gt; <a class="trait" href="../../tracing/instrument/trait.Instrument.html" title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.instrument" class="method trait-impl"><a class="src rightside" href="../../src/tracing/instrument.rs.html#86">source</a><a href="#method.instrument" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing/instrument/trait.Instrument.html#method.instrument" class="fn">instrument</a>(self, span: <a class="struct" href="../../tracing/span/struct.Span.html" title="struct tracing::span::Span">Span</a>) -&gt; <a class="struct" href="../../tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;</h4></section></summary><div class='docblock'>Instruments this type with the provided <a href="../../tracing/span/struct.Span.html" title="struct tracing::span::Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <a href="../../tracing/instrument/trait.Instrument.html#method.instrument">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.in_current_span" class="method trait-impl"><a class="src rightside" href="../../src/tracing/instrument.rs.html#128">source</a><a href="#method.in_current_span" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing/instrument/trait.Instrument.html#method.in_current_span" class="fn">in_current_span</a>(self) -&gt; <a class="struct" href="../../tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;</h4></section></summary><div class='docblock'>Instruments this type with the <a href="../../tracing/span/struct.Span.html#method.current" title="associated function tracing::span::Span::current">current</a> <a href="../../tracing/span/struct.Span.html" title="struct tracing::span::Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <a href="../../tracing/instrument/trait.Instrument.html#method.in_current_span">Read more</a></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/1.76.0/src/core/convert/mod.rs.html#747-749">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/1.76.0/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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#756">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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-SubscriberExt-for-S" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/mod.rs.html#1898">source</a><a href="#impl-SubscriberExt-for-S" class="anchor">§</a><h3 class="code-header">impl&lt;S&gt; <a class="trait" href="trait.SubscriberExt.html" title="trait tracing_subscriber::layer::SubscriberExt">SubscriberExt</a> for S<div class="where">where
S: <a class="trait" href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber">Subscriber</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.with" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/layer/mod.rs.html#1501-1507">source</a><a href="#method.with" class="anchor">§</a><h4 class="code-header">fn <a href="trait.SubscriberExt.html#method.with" class="fn">with</a>&lt;L&gt;(self, layer: L) -&gt; <a class="struct" href="struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a>&lt;L, Self&gt;<div class="where">where
L: <a class="trait" href="trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a>&lt;Self&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Wraps <code>self</code> with the provided <code>layer</code>.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-SubscriberInitExt-for-T" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/util.rs.html#95">source</a><a href="#impl-SubscriberInitExt-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="../util/trait.SubscriberInitExt.html" title="trait tracing_subscriber::util::SubscriberInitExt">SubscriberInitExt</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="../../tracing_core/dispatcher/struct.Dispatch.html" title="struct tracing_core::dispatcher::Dispatch">Dispatch</a>&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.set_default" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/util.rs.html#38-43">source</a><a href="#method.set_default" class="anchor">§</a><h4 class="code-header">fn <a href="../util/trait.SubscriberInitExt.html#method.set_default" class="fn">set_default</a>(self) -&gt; <a class="struct" href="../../tracing_core/dispatcher/struct.DefaultGuard.html" title="struct tracing_core::dispatcher::DefaultGuard">DefaultGuard</a></h4></section></summary><div class='docblock'>Sets <code>self</code> as the <a href="https://docs.rs/tracing/0.1.21/tracing/dispatcher/index.html#setting-the-default-subscriber">default subscriber</a> in the current scope, returning a
guard that will unset it when dropped. <a href="../util/trait.SubscriberInitExt.html#method.set_default">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.try_init" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/util.rs.html#58-74">source</a><a href="#method.try_init" class="anchor">§</a><h4 class="code-header">fn <a href="../util/trait.SubscriberInitExt.html#method.try_init" class="fn">try_init</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.unit.html">()</a>, <a class="struct" href="../util/struct.TryInitError.html" title="struct tracing_subscriber::util::TryInitError">TryInitError</a>&gt;</h4></section></summary><div class='docblock'>Attempts to set <code>self</code> as the <a href="https://docs.rs/tracing/0.1.21/tracing/dispatcher/index.html#setting-the-default-subscriber">global default subscriber</a> in the current
scope, returning an error if one is already set. <a href="../util/trait.SubscriberInitExt.html#method.try_init">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.init" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/util.rs.html#89-92">source</a><a href="#method.init" class="anchor">§</a><h4 class="code-header">fn <a href="../util/trait.SubscriberInitExt.html#method.init" class="fn">init</a>(self)</h4></section></summary><div class='docblock'>Attempts to set <code>self</code> as the <a href="https://docs.rs/tracing/0.1.21/tracing/dispatcher/index.html#setting-the-default-subscriber">global default subscriber</a> in the current
scope, panicking if this fails. <a href="../util/trait.SubscriberInitExt.html#method.init">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#83-85">source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#88">source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#92">source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&amp;self, target: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&amp;mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into">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/1.76.0/src/core/convert/mod.rs.html#803-805">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/1.76.0/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/1.76.0/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" class="associatedtype trait-impl"><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#810">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#788-790">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/1.76.0/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/1.76.0/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-1" class="associatedtype trait-impl"><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/src/core/convert/mod.rs.html#795">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.76.0/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/1.76.0/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/1.76.0/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-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&gt; <a class="trait" href="../../tracing/instrument/trait.WithSubscriber.html" title="trait tracing::instrument::WithSubscriber">WithSubscriber</a> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.with_subscriber-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing/instrument.rs.html#176-178">source</a><a href="#method.with_subscriber-1" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing/instrument/trait.WithSubscriber.html#method.with_subscriber" class="fn">with_subscriber</a>&lt;S&gt;(self, subscriber: S) -&gt; <a class="struct" href="../../tracing/instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt;<div class="where">where
S: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="../../tracing_core/dispatcher/struct.Dispatch.html" title="struct tracing_core::dispatcher::Dispatch">Dispatch</a>&gt;,</div></h4></section></summary><div class='docblock'>Attaches the provided <a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a> to this type, returning a
<a href="../../tracing/instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch"><code>WithDispatch</code></a> wrapper. <a href="../../tracing/instrument/trait.WithSubscriber.html#method.with_subscriber">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.with_current_subscriber" class="method trait-impl"><a class="src rightside" href="../../src/tracing/instrument.rs.html#228">source</a><a href="#method.with_current_subscriber" class="anchor">§</a><h4 class="code-header">fn <a href="../../tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber" class="fn">with_current_subscriber</a>(self) -&gt; <a class="struct" href="../../tracing/instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt;</h4></section></summary><div class='docblock'>Attaches the current <a href="../../tracing/dispatcher/index.html#setting-the-default-subscriber" title="mod tracing::dispatcher">default</a> <a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a> to this type, returning a
<a href="../../tracing/instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch"><code>WithDispatch</code></a> wrapper. <a href="../../tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber">Read more</a></div></details></div></details></div></section></div></main></body></html>