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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Wraps a `Layer` or `Filter`, allowing it to be reloaded dynamically at runtime."><title>Layer in tracing_subscriber::reload - 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">☰</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="#">Layer</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.handle">handle</a></li><li><a href="#method.new">new</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Debug-for-Layer%3CL,+S%3E">Debug</a></li><li><a href="#impl-Filter%3CS%3E-for-Layer%3CL,+S%3E">Filter<S></a></li><li><a href="#impl-Layer%3CS%3E-for-Layer%3CL,+S%3E">Layer<S></a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-Layer%3CL,+S%3E">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Layer%3CL,+S%3E">Send</a></li><li><a href="#impl-Sync-for-Layer%3CL,+S%3E">Sync</a></li><li><a href="#impl-Unpin-for-Layer%3CL,+S%3E">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Layer%3CL,+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<T></a></li><li><a href=
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<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">reload</a>::<wbr><a class="struct" href="#">Layer</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/reload.rs.html#84-91">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><pre class="rust item-decl"><code>pub struct Layer<L, S> { <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>Wraps a <code>Layer</code> or <code>Filter</code>, allowing it to be reloaded dynamically at runtime.</p>
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</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-Layer%3CL,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#257-282">source</a><a href="#impl-Layer%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl<L, S> <a class="struct" href="struct.Layer.html" title="struct tracing_subscriber::reload::Layer">Layer</a><L, S></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.new" class="method"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#263-270">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fn">new</a>(inner: L) -> (Self, <a class="struct" href="struct.Handle.html" title="struct tracing_subscriber::reload::Handle">Handle</a><L, S>)</h4></section></summary><div class="docblock"><p>Wraps the given <a href="../layer/trait.Layer.html" title="trait tracing_subscriber::layer::Layer"><code>Layer</code></a> or <a href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter"><code>Filter</code></a>, returning a <code>reload::Layer</code>
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and a <code>Handle</code> that allows the inner value to be modified at runtime.</p>
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</div></details><details class="toggle method-toggle" open><summary><section id="method.handle" class="method"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#276-281">source</a><h4 class="code-header">pub fn <a href="#method.handle" class="fn">handle</a>(&self) -> <a class="struct" href="struct.Handle.html" title="struct tracing_subscriber::reload::Handle">Handle</a><L, S></h4></section></summary><div class="docblock"><p>Returns a <code>Handle</code> that can be used to reload the wrapped <a href="../layer/trait.Layer.html" title="trait tracing_subscriber::layer::Layer"><code>Layer</code></a> or <a href="crate::filter::Filter"><code>Filter</code></a>.</p>
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</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-Debug-for-Layer%3CL,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#83">source</a><a href="#impl-Debug-for-Layer%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl<L: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>, S: <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</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> for <a class="struct" href="struct.Layer.html" title="struct tracing_subscriber::reload::Layer">Layer</a><L, S></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/reload.rs.html#83">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>(&self, f: &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><'_>) -> <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-Filter%3CS%3E-for-Layer%3CL,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#211-255">source</a><a href="#impl-Filter%3CS%3E-for-Layer%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl<S, L> <a class="trait" href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter">Filter</a><S> for <a class="struct" href="struct.Layer.html" title="struct tracing_subscriber::reload::Layer">Layer</a><L, S><div class="where">where
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L: <a class="trait" href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter">Filter</a><S> + 'static,
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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.callsite_enabled" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#217-219">source</a><a href="#method.callsite_enabled" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Filter.html#method.callsite_enabled" class="fn">callsite_enabled</a>(&self, metadata: &'static <a class="struct" href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata">Metadata</a><'static>) -> <a class="struct" href="../../tracing_core/subscriber/struct.Interest.html" title="struct tracing_core::subscriber::Interest">Interest</a></h4></section></summary><div class='docblock'>Returns an <a href="../../tracing_core/subscriber/struct.Interest.html" title="struct tracing_core::subscriber::Interest"><code>Interest</code></a> indicating whether this layer will <a href="../../tracing_core/subscriber/struct.Interest.html#method.always" title="associated function tracing_core::subscriber::Interest::always">always</a>,
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<a href="../../tracing_core/subscriber/struct.Interest.html#method.sometimes" title="associated function tracing_core::subscriber::Interest::sometimes">sometimes</a>, or <a href="../../tracing_core/subscriber/struct.Interest.html#method.never" title="associated function tracing_core::subscriber::Interest::never">never</a> be interested in the given <a href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata"><code>Metadata</code></a>. <a href="../layer/trait.Filter.html#method.callsite_enabled">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/reload.rs.html#222-224">source</a><a href="#method.enabled-1" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Filter.html#tymethod.enabled" class="fn">enabled</a>(&self, metadata: &<a class="struct" href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata">Metadata</a><'_>, ctx: &<a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>) -> <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
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given <a href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata"><code>Metadata</code></a> in the current <a href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context"><code>Context</code></a>, similarly to
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<a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.enabled" title="method tracing_core::subscriber::Subscriber::enabled"><code>Subscriber::enabled</code></a>. <a href="../layer/trait.Filter.html#tymethod.enabled">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.on_new_span-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#227-229">source</a><a href="#method.on_new_span-1" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Filter.html#method.on_new_span" class="fn">on_new_span</a>(&self, attrs: &<a class="struct" href="../../tracing_core/span/struct.Attributes.html" title="struct tracing_core::span::Attributes">Attributes</a><'_>, id: &<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, ctx: <a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</h4></section></summary><div class='docblock'>Notifies this filter that a new span was constructed with the given
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<code>Attributes</code> and <code>Id</code>. <a href="../layer/trait.Filter.html#method.on_new_span">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.on_record-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#232-234">source</a><a href="#method.on_record-1" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Filter.html#method.on_record" class="fn">on_record</a>(&self, span: &<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, values: &<a class="struct" href="../../tracing_core/span/struct.Record.html" title="struct tracing_core::span::Record">Record</a><'_>, ctx: <a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</h4></section></summary><div class='docblock'>Notifies this filter that a span with the given <code>Id</code> recorded the given
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<code>values</code>. <a href="../layer/trait.Filter.html#method.on_record">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.on_enter-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#237-239">source</a><a href="#method.on_enter-1" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Filter.html#method.on_enter" class="fn">on_enter</a>(&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="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</h4></section></summary><div class='docblock'>Notifies this filter that a span with the given ID was entered. <a href="../layer/trait.Filter.html#method.on_enter">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.on_exit-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#242-244">source</a><a href="#method.on_exit-1" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Filter.html#method.on_exit" class="fn">on_exit</a>(&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="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</h4></section></summary><div class='docblock'>Notifies this filter that a span with the given ID was exited. <a href="../layer/trait.Filter.html#method.on_exit">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.on_close-1" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#247-249">source</a><a href="#method.on_close-1" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Filter.html#method.on_close" class="fn">on_close</a>(&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="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</h4></section></summary><div class='docblock'>Notifies this filter that a span with the given ID has been closed. <a href="../layer/trait.Filter.html#method.on_close">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/reload.rs.html#252-254">source</a><a href="#method.max_level_hint" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Filter.html#method.max_level_hint" class="fn">max_level_hint</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../filter/struct.LevelFilter.html" title="struct tracing_subscriber::filter::LevelFilter">LevelFilter</a>></h4></section></summary><div class='docblock'>Returns an optional hint of the highest <a href="../../tracing_core/metadata/struct.Level.html" title="struct tracing_core::metadata::Level">verbosity level</a> that
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this <code>Filter</code> will enable. <a href="../layer/trait.Filter.html#method.max_level_hint">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/mod.rs.html#1413-1416">source</a><a href="#method.event_enabled-1" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Filter.html#method.event_enabled" class="fn">event_enabled</a>(&self, event: &<a class="struct" href="../../tracing_core/event/struct.Event.html" title="struct tracing_core::event::Event">Event</a><'_>, cx: &<a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>) -> <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 the filtered [<code>Layer]'s [</code>on_event<code>], to determine if </code>on_event` should be called. <a href="../layer/trait.Filter.html#method.event_enabled">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Layer%3CS%3E-for-Layer%3CL,+S%3E" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/reload.rs.html#114-205">source</a><a href="#impl-Layer%3CS%3E-for-Layer%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl<L, S> <a class="trait" href="../layer/trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a><S> for <a class="struct" href="struct.Layer.html" title="struct tracing_subscriber::reload::Layer">Layer</a><L, S><div class="where">where
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L: <a class="trait" href="../layer/trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a><S> + 'static,
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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/reload.rs.html#119-121">source</a><a href="#method.on_register_dispatch" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.on_register_dispatch" class="fn">on_register_dispatch</a>(&self, subscriber: &<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
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<a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a>. <a href="../layer/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/reload.rs.html#123-125">source</a><a href="#method.on_layer" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.on_layer" class="fn">on_layer</a>(&mut self, subscriber: <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut S</a>)</h4></section></summary><div class='docblock'>Performs late initialization when attaching a <code>Layer</code> to a
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<a href="../../tracing_core/subscriber/trait.Subscriber.html" title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a>. <a href="../layer/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/reload.rs.html#128-130">source</a><a href="#method.register_callsite" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.register_callsite" class="fn">register_callsite</a>(&self, metadata: &'static <a class="struct" href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata">Metadata</a><'static>) -> <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
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the layer is interested in being notified about the callsite, similarly
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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="../layer/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/reload.rs.html#133-135">source</a><a href="#method.enabled" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.enabled" class="fn">enabled</a>(&self, metadata: &<a class="struct" href="../../tracing_core/metadata/struct.Metadata.html" title="struct tracing_core::metadata::Metadata">Metadata</a><'_>, ctx: <a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>) -> <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
|
|||
|
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given <code>metadata</code> in the current <a href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context"><code>Context</code></a>, similarly to
|
|||
|
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<a href="../../tracing_core/subscriber/trait.Subscriber.html#tymethod.enabled" title="method tracing_core::subscriber::Subscriber::enabled"><code>Subscriber::enabled</code></a>. <a href="../layer/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/reload.rs.html#138-140">source</a><a href="#method.on_new_span" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.on_new_span" class="fn">on_new_span</a>(&self, attrs: &<a class="struct" href="../../tracing_core/span/struct.Attributes.html" title="struct tracing_core::span::Attributes">Attributes</a><'_>, id: &<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, ctx: <a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</h4></section></summary><div class='docblock'>Notifies this layer that a new span was constructed with the given
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<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/reload.rs.html#143-145">source</a><a href="#method.on_record" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.on_record" class="fn">on_record</a>(&self, span: &<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, values: &<a class="struct" href="../../tracing_core/span/struct.Record.html" title="struct tracing_core::span::Record">Record</a><'_>, ctx: <a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</h4></section></summary><div class='docblock'>Notifies this layer that a span with the given <code>Id</code> recorded the given
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<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/reload.rs.html#148-150">source</a><a href="#method.on_follows_from" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.on_follows_from" class="fn">on_follows_from</a>(&self, span: &<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, follows: &<a class="struct" href="../../tracing_core/span/struct.Id.html" title="struct tracing_core::span::Id">Id</a>, ctx: <a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</h4></section></summary><div class='docblock'>Notifies this layer that a span with the ID <code>span</code> recorded that it
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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/reload.rs.html#153-155">source</a><a href="#method.event_enabled" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.event_enabled" class="fn">event_enabled</a>(&self, event: &<a class="struct" href="../../tracing_core/event/struct.Event.html" title="struct tracing_core::event::Event">Event</a><'_>, ctx: <a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>) -> <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="../layer/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/reload.rs.html#158-160">source</a><a href="#method.on_event" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.on_event" class="fn">on_event</a>(&self, event: &<a class="struct" href="../../tracing_core/event/struct.Event.html" title="struct tracing_core::event::Event">Event</a><'_>, ctx: <a class="struct" href="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</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/reload.rs.html#163-165">source</a><a href="#method.on_enter" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.on_enter" class="fn">on_enter</a>(&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="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</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/reload.rs.html#168-170">source</a><a href="#method.on_exit" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.on_exit" class="fn">on_exit</a>(&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="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</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/reload.rs.html#173-175">source</a><a href="#method.on_close" class="anchor">§</a><h4 class="code-header">fn <a href="../layer/trait.Layer.html#method.on_close" class="fn">on_close</a>(&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="../layer/struct.Context.html" title="struct tracing_subscriber::layer::Context">Context</a><'_, S>)</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
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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="../layer/trait.Layer.html#method.and_then" class="fn">and_then</a><L>(self, layer: L) -> <a class="struct" href="../layer/struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a><L, Self, S><div class="where">where
|
|||
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L: <a class="trait" href="../layer/trait.Layer.html" title="trait tracing_subscriber::layer::Layer">Layer</a><S>,
|
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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>
|
|||
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struct implementing <code>Layer</code>. <a href="../layer/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="../layer/trait.Layer.html#method.with_subscriber" class="fn">with_subscriber</a>(self, inner: S) -> <a class="struct" href="../layer/struct.Layered.html" title="struct tracing_subscriber::layer::Layered">Layered</a><Self, S><div class="where">where
|
|||
|
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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
|
|||
|
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<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="../layer/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="../layer/trait.Layer.html#method.with_filter" class="fn">with_filter</a><F>(self, filter: F) -> <a class="struct" href="../filter/struct.Filtered.html" title="struct tracing_subscriber::filter::Filtered">Filtered</a><Self, F, S><div class="where">where
|
|||
|
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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>,
|
|||
|
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F: <a class="trait" href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter">Filter</a><S>,</div></h4></section></summary><div class='docblock'>Combines <code>self</code> with a <a href="../layer/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="../layer/trait.Layer.html#method.with_filter">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-Layer%3CL,+S%3E" class="impl"><a href="#impl-RefUnwindSafe-for-Layer%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl<L, S> <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.Layer.html" title="struct tracing_subscriber::reload::Layer">Layer</a><L, S></h3></section><section id="impl-Send-for-Layer%3CL,+S%3E" class="impl"><a href="#impl-Send-for-Layer%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl<L, S> <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.Layer.html" title="struct tracing_subscriber::reload::Layer">Layer</a><L, S><div class="where">where
|
|||
|
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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> + <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-Sync-for-Layer%3CL,+S%3E" class="impl"><a href="#impl-Sync-for-Layer%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl<L, S> <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.Layer.html" title="struct tracing_subscriber::reload::Layer">Layer</a><L, S><div class="where">where
|
|||
|
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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> + <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-Layer%3CL,+S%3E" class="impl"><a href="#impl-Unpin-for-Layer%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl<L, S> <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.Layer.html" title="struct tracing_subscriber::reload::Layer">Layer</a><L, S></h3></section><section id="impl-UnwindSafe-for-Layer%3CL,+S%3E" class="impl"><a href="#impl-UnwindSafe-for-Layer%3CL,+S%3E" class="anchor">§</a><h3 class="code-header">impl<L, S> <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.Layer.html" title="struct tracing_subscriber::reload::Layer">Layer</a><L, S></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<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> for T<div class="where">where
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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>(&self) -> <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<T> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where
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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>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&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<T> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where
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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>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&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-FilterExt%3CS%3E-for-F" class="impl"><a class="src rightside" href="../../src/tracing_subscriber/filter/layer_filters/mod.rs.html#1026">source</a><a href="#impl-FilterExt%3CS%3E-for-F" class="anchor">§</a><h3 class="code-header">impl<F, S> <a class="trait" href="../filter/trait.FilterExt.html" title="trait tracing_subscriber::filter::FilterExt">FilterExt</a><S> for F<div class="where">where
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F: <a class="trait" href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter">Filter</a><S>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.and" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/filter/layer_filters/mod.rs.html#209-215">source</a><a href="#method.and" class="anchor">§</a><h4 class="code-header">fn <a href="../filter/trait.FilterExt.html#method.and" class="fn">and</a><B>(self, other: B) -> <a class="struct" href="../filter/combinator/struct.And.html" title="struct tracing_subscriber::filter::combinator::And">And</a><Self, B, S><div class="where">where
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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>,
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B: <a class="trait" href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter">Filter</a><S>,</div></h4></section></summary><div class='docblock'>Combines this <a href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter"><code>Filter</code></a> with another <a href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter"><code>Filter</code></a> s so that spans and
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events are enabled if and only if <em>both</em> filters return <code>true</code>. <a href="../filter/trait.FilterExt.html#method.and">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.or" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/filter/layer_filters/mod.rs.html#291-297">source</a><a href="#method.or" class="anchor">§</a><h4 class="code-header">fn <a href="../filter/trait.FilterExt.html#method.or" class="fn">or</a><B>(self, other: B) -> <a class="struct" href="../filter/combinator/struct.Or.html" title="struct tracing_subscriber::filter::combinator::Or">Or</a><Self, B, S><div class="where">where
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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>,
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B: <a class="trait" href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter">Filter</a><S>,</div></h4></section></summary><div class='docblock'>Combines two <a href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter"><code>Filter</code></a>s so that spans and events are enabled if <em>either</em> filter
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returns <code>true</code>. <a href="../filter/trait.FilterExt.html#method.or">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.not" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/filter/layer_filters/mod.rs.html#358-363">source</a><a href="#method.not" class="anchor">§</a><h4 class="code-header">fn <a href="../filter/trait.FilterExt.html#method.not" class="fn">not</a>(self) -> <a class="struct" href="../filter/combinator/struct.Not.html" title="struct tracing_subscriber::filter::combinator::Not">Not</a><Self, S><div class="where">where
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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'>Inverts <code>self</code>, returning a filter that enables spans and events only if
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<code>self</code> would <em>not</em> enable them. <a href="../filter/trait.FilterExt.html#method.not">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.boxed" class="method trait-impl"><a class="src rightside" href="../../src/tracing_subscriber/filter/layer_filters/mod.rs.html#435-440">source</a><a href="#method.boxed" class="anchor">§</a><h4 class="code-header">fn <a href="../filter/trait.FilterExt.html#method.boxed" class="fn">boxed</a>(self) -> <a class="struct" href="https://doc.rust-lang.org/1.76.0/alloc/boxed/struct.Box.html" title="struct alloc::boxed::Box">Box</a><dyn <a class="trait" href="../layer/trait.Filter.html" title="trait tracing_subscriber::layer::Filter">Filter</a><S> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static><div class="where">where
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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> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static,</div></h4></section></summary><div class='docblock'><a href="https://doc.rust-lang.org/1.76.0/alloc/boxed/index.html" title="mod alloc::boxed">Boxes</a> <code>self</code>, erasing its concrete type. <a href="../filter/trait.FilterExt.html#method.boxed">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<T> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> 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) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
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</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<T> <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>) -> <a class="struct" href="../../tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a><Self></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
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<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) -> <a class="struct" href="../../tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a><Self></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
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<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<T, 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><U> for T<div class="where">where
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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><T>,</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) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
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<p>That is, this conversion is whatever the implementation of
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<code><a href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
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</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<T, 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><U> for T<div class="where">where
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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><T>,</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) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <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><U>>::<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'>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<T, U> <a class="trait" href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where
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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><T>,</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> = <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><T>>::<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) -> <a class="enum" href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <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><T>>::<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'>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<T> <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><S>(self, subscriber: S) -> <a class="struct" href="../../tracing/instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self><div class="where">where
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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><<a class="struct" href="../../tracing_core/dispatcher/struct.Dispatch.html" title="struct tracing_core::dispatcher::Dispatch">Dispatch</a>>,</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
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<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) -> <a class="struct" href="../../tracing/instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self></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
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<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>
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