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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="A filter comparable to a verbosity [`Level`]."><meta name="keywords" content="rust, rustlang, rust-lang, LevelFilter"><title>LevelFilter in tracing::level_filters - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.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="sidebar-logo" href="../../tracing/index.html"><div class="logo-container"><img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../tracing/index.html"><div class="logo-container">
<img src="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png" alt="logo"></div></a><h2 class="location"><a href="#">LevelFilter</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Associated Constants</a></h3><ul class="block"><li><a href="#associatedconstant.DEBUG">DEBUG</a></li><li><a href="#associatedconstant.ERROR">ERROR</a></li><li><a href="#associatedconstant.INFO">INFO</a></li><li><a href="#associatedconstant.OFF">OFF</a></li><li><a href="#associatedconstant.TRACE">TRACE</a></li><li><a href="#associatedconstant.WARN">WARN</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.current">current</a></li><li><a href="#method.from_level">from_level</a></li><li><a href="#method.into_level">into_level</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Clone-for-LevelFilter">Clone</a></li><li><a href="#impl-Copy-for-LevelFilter">Copy</a></li><li><a href="#impl-Debug-for-LevelFilter">Debug</a></li><li><a href="#impl-Display-for-LevelFilter">Display</a></li><li><a href="#impl-Eq-for-LevelFilter">Eq</a></li><li><a href="#impl-From%3CLevel%3E-for-LevelFilter">From&lt;Level&gt;</a></li><li><a href="#impl-From%3CLevelFilter%3E-for-Option%3CLevel%3E">From&lt;LevelFilter&gt;</a></li><li><a href="#impl-From%3COption%3CLevel%3E%3E-for-LevelFilter">From&lt;Option&lt;Level&gt;&gt;</a></li><li><a href="#impl-FromStr-for-LevelFilter">FromStr</a></li><li><a href="#impl-Hash-for-LevelFilter">Hash</a></li><li><a href="#impl-Ord-for-LevelFilter">Ord</a></li><li><a href="#impl-PartialEq%3CLevel%3E-for-LevelFilter">PartialEq&lt;Level&gt;</a></li><li><a href="#impl-PartialEq%3CLevelFilter%3E-for-Level">PartialEq&lt;LevelFilter&gt;</a></li><li><a href="#impl-PartialEq%3CLevelFilter%3E-for-LevelFilter">PartialEq&lt;LevelFilter&gt;</a></li><li><a href="#impl-PartialOrd%3CLevel%3E-for-LevelFilter">PartialOrd&lt;Level&gt;</a></li><li><a href="#impl-PartialOrd%3CLevelFilter%3E-for-Level">PartialOrd&lt;LevelFilter&gt;</a></li><li><a href="#impl-PartialOrd%3CLevelFilter%3E-for-LevelFilter">PartialOrd&lt;LevelFilter&gt;</a></li><li><a href="#impl-StructuralEq-for-LevelFilter">StructuralEq</a></li><li><a href="#impl-StructuralPartialEq-for-LevelFilter">StructuralPartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-LevelFilter">RefUnwindSafe</a></li><li><a href="#impl-Send-for-LevelFilter">Send</a></li><li><a href="#impl-Sync-for-LevelFilter">Sync</a></li><li><a href="#impl-Unpin-for-LevelFilter">Unpin</a></li><li><a href="#impl-UnwindSafe-for-LevelFilter">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-LevelFilter">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-LevelFilter">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-LevelFilter">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-LevelFilter">From&lt;T&gt;</a></li><li><a href="#impl-Instrument-for-LevelFilter">Instrument</a></li><li><a href="#impl-Into%3CU%3E-for-LevelFilter">Into&lt;U&gt;</a></li><li><a href="#impl-ToOwned-for-LevelFilter">ToOwned</a></li><li><a href="#impl-ToString-for-LevelFilter">ToString</a></li><li><a href="#impl-TryFrom%3CU%3E-for-LevelFilter">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-LevelFilter">TryInto&lt;U&gt;</a></li><li><a href="#impl-WithSubscriber-for-LevelFilter">WithSubscriber</a></li></ul></section><h2><a href="index.html">In tracing::level_filters</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Struct <a href="../index.html">tracing</a>::<wbr><a href="index.html">level_filters</a>::<wbr><a class="struct" href="#">LevelFilter</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/tracing_core/metadata.rs.html#240">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="item-decl"><pre class="rust struct"><code>pub struct LevelFilter(_);</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A filter comparable to a verbosity <a href="../struct.Level.html" title="Level"><code>Level</code></a>.</p>
<p>If a <a href="../struct.Level.html" title="Level"><code>Level</code></a> is considered less than a <code>LevelFilter</code>, it should be
considered enabled; if greater than or equal to the <code>LevelFilter</code>,
that level is disabled. See <a href="struct.LevelFilter.html#method.current" title="LevelFilter::current"><code>LevelFilter::current</code></a> for more
details.</p>
<p>Note that this is essentially identical to the <code>Level</code> type, but with the
addition of an <a href="struct.LevelFilter.html#associatedconstant.OFF"><code>OFF</code></a> level that completely disables all trace
instrumentation.</p>
<p>See the documentation for the <a href="../struct.Level.html" title="Level"><code>Level</code></a> type to see how <code>Level</code>s
and <code>LevelFilter</code>s interact.</p>
</div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#626">source</a><a href="#impl-LevelFilter" class="anchor"></a><h3 class="code-header">impl <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedconstant.OFF" class="associatedconstant has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#630">source</a><h4 class="code-header">pub const <a href="#associatedconstant.OFF" class="constant">OFF</a>: <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a> = LevelFilter(None)</h4></section></summary><div class="docblock"><p>The “off” level.</p>
<p>Designates that trace instrumentation should be completely disabled.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedconstant.ERROR" class="associatedconstant has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#634">source</a><h4 class="code-header">pub const <a href="#associatedconstant.ERROR" class="constant">ERROR</a>: <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a> = LevelFilter::from_level(Level::ERROR)</h4></section></summary><div class="docblock"><p>The “error” level.</p>
<p>Designates very serious errors.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedconstant.WARN" class="associatedconstant has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#638">source</a><h4 class="code-header">pub const <a href="#associatedconstant.WARN" class="constant">WARN</a>: <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a> = LevelFilter::from_level(Level::WARN)</h4></section></summary><div class="docblock"><p>The “warn” level.</p>
<p>Designates hazardous situations.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedconstant.INFO" class="associatedconstant has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#642">source</a><h4 class="code-header">pub const <a href="#associatedconstant.INFO" class="constant">INFO</a>: <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a> = LevelFilter::from_level(Level::INFO)</h4></section></summary><div class="docblock"><p>The “info” level.</p>
<p>Designates useful information.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedconstant.DEBUG" class="associatedconstant has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#646">source</a><h4 class="code-header">pub const <a href="#associatedconstant.DEBUG" class="constant">DEBUG</a>: <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a> = LevelFilter::from_level(Level::DEBUG)</h4></section></summary><div class="docblock"><p>The “debug” level.</p>
<p>Designates lower priority information.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedconstant.TRACE" class="associatedconstant has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#650">source</a><h4 class="code-header">pub const <a href="#associatedconstant.TRACE" class="constant">TRACE</a>: <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a> = LevelFilter(Some(Level::TRACE))</h4></section></summary><div class="docblock"><p>The “trace” level.</p>
<p>Designates very low priority, often extremely verbose, information.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from_level" class="method has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#654">source</a><h4 class="code-header">pub const fn <a href="#method.from_level" class="fnname">from_level</a>(level: <a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>) -&gt; <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h4></section></summary><div class="docblock"><p>Returns a <code>LevelFilter</code> that enables spans and events with verbosity up
to and including <code>level</code>.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_level" class="method has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#662">source</a><h4 class="code-header">pub const fn <a href="#method.into_level" class="fnname">into_level</a>(self) -&gt; Option&lt;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>&gt;</h4></section></summary><div class="docblock"><p>Returns the most verbose <a href="../struct.Level.html" title="Level"><code>Level</code></a> that this filter accepts, or <code>None</code>
if it is <a href="struct.LevelFilter.html#associatedconstant.OFF"><code>OFF</code></a>.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.current" class="method has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#697">source</a><h4 class="code-header">pub fn <a href="#method.current" class="fnname">current</a>() -&gt; <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h4></section></summary><div class="docblock"><p>Returns a <code>LevelFilter</code> that matches the most verbose <a href="../struct.Level.html"><code>Level</code></a> that any
currently active <a href="../trait.Subscriber.html"><code>Subscriber</code></a> will enable.</p>
<p>User code should treat this as a <em>hint</em>. If a given span or event has a
level <em>higher</em> than the returned <code>LevelFilter</code>, it will not be enabled.
However, if the level is less than or equal to this value, the span or
event is <em>not</em> guaranteed to be enabled; the subscriber will still
filter each callsite individually.</p>
<p>Therefore, comparing a given span or event’s level to the returned
<code>LevelFilter</code> <strong>can</strong> be used for determining if something is
<em>disabled</em>, but <strong>should not</strong> be used for determining if something is
<em>enabled</em>.</p>
</div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Clone-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#impl-Clone-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Clone for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a class="fnname">clone</a>(&amp;self) -&gt; <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.clone_from" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">clone_from</a>(&amp;mut self, source: &amp;Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#763">source</a><a href="#impl-Debug-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Debug for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#764">source</a><a href="#method.fmt-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&amp;self, f: &amp;mut Formatter&lt;'_&gt;) -&gt; Result&lt;(), Error&gt;</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Display-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#750">source</a><a href="#impl-Display-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Display for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#751">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&amp;self, f: &amp;mut Formatter&lt;'_&gt;) -&gt; Result&lt;(), Error&gt;</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-From%3CLevel%3E-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#605">source</a><a href="#impl-From%3CLevel%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl From&lt;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>&gt; for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#607">source</a><a href="#method.from-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(level: <a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>) -&gt; <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-From%3CLevelFilter%3E-for-Option%3CLevel%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#619">source</a><a href="#impl-From%3CLevelFilter%3E-for-Option%3CLevel%3E" class="anchor"></a><h3 class="code-header">impl From&lt;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>&gt; for Option&lt;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>&gt;</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#621">source</a><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(filter: <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; Option&lt;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>&gt;</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-From%3COption%3CLevel%3E%3E-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#612">source</a><a href="#impl-From%3COption%3CLevel%3E%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl From&lt;Option&lt;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>&gt;&gt; for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#614">source</a><a href="#method.from-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(level: Option&lt;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>&gt;) -&gt; <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-FromStr-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#776">source</a><a href="#impl-FromStr-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl FromStr for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Err" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Err" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Err</a> = <a class="struct" href="struct.ParseLevelFilterError.html" title="struct tracing::level_filters::ParseLevelFilterError">ParseLevelFilterError</a></h4></section></summary><div class='docblock'>The associated error which can be returned from parsing.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from_str" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#778">source</a><a href="#method.from_str" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from_str</a>(from: &amp;str) -&gt; Result&lt;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>, &lt;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a> as FromStr&gt;::Err&gt;</h4></section></summary><div class='docblock'>Parses a string <code>s</code> to return a value of this type. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Hash-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#impl-Hash-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Hash for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.hash" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#method.hash" class="anchor"></a><h4 class="code-header">fn <a class="fnname">hash</a>&lt;__H&gt;(&amp;self, state: &amp;mut __H)<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;__H: Hasher,</span></h4></section></summary><div class='docblock'>Feeds this value into the given [<code>Hasher</code>]. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.hash_slice" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.3.0">1.3.0</span><a href="#method.hash_slice" class="anchor"></a><h4 class="code-header">fn <a class="fnname">hash_slice</a>&lt;H&gt;(data: &amp;[Self], state: &amp;mut H)<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;H: Hasher,</span></h4></section></summary><div class='docblock'>Feeds a slice of this type into the given [<code>Hasher</code>]. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Ord-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1014">source</a><a href="#impl-Ord-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Ord for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.cmp" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1016">source</a><a href="#method.cmp" class="anchor"></a><h4 class="code-header">fn <a class="fnname">cmp</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; Ordering</h4></section></summary><div class='docblock'>This method returns an [<code>Ordering</code>] between <code>self</code> and <code>other</code>. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.max" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.21.0">1.21.0</span><a href="#method.max" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">max</a>(self, other: Self) -&gt; Self</h4></section></summary><div class='docblock'>Compares and returns the maximum of two values. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.min" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.21.0">1.21.0</span><a href="#method.min" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">min</a>(self, other: Self) -&gt; Self</h4></section></summary><div class='docblock'>Compares and returns the minimum of two values. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clamp" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.50.0">1.50.0</span><a href="#method.clamp" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">clamp</a>(self, min: Self, max: Self) -&gt; Self<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: PartialOrd&lt;Self&gt;,</span></h4></section></summary><div class='docblock'>Restrict a value to a certain interval. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PartialEq%3CLevel%3E-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#980">source</a><a href="#impl-PartialEq%3CLevel%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl PartialEq&lt;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>&gt; for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.eq-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#982">source</a><a href="#method.eq-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq</a>(&amp;self, other: &amp;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
by <code>==</code>. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ne-2" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ne-2" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">ne</a>(&amp;self, other: &amp;Rhs) -&gt; bool</h4></section></summary><div class='docblock'>This method tests for <code>!=</code>. The default implementation is almost always
sufficient, and should not be overridden without very good reason. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PartialEq%3CLevelFilter%3E-for-Level" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#904">source</a><a href="#impl-PartialEq%3CLevelFilter%3E-for-Level" class="anchor"></a><h3 class="code-header">impl PartialEq&lt;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>&gt; for <a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.eq-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#906">source</a><a href="#method.eq-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
by <code>==</code>. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ne-1" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ne-1" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">ne</a>(&amp;self, other: &amp;Rhs) -&gt; bool</h4></section></summary><div class='docblock'>This method tests for <code>!=</code>. The default implementation is almost always
sufficient, and should not be overridden without very good reason. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PartialEq%3CLevelFilter%3E-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#impl-PartialEq%3CLevelFilter%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl PartialEq&lt;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>&gt; for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#method.eq" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
by <code>==</code>. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ne" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">ne</a>(&amp;self, other: &amp;Rhs) -&gt; bool</h4></section></summary><div class='docblock'>This method tests for <code>!=</code>. The default implementation is almost always
sufficient, and should not be overridden without very good reason. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PartialOrd%3CLevel%3E-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1021">source</a><a href="#impl-PartialOrd%3CLevel%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl PartialOrd&lt;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>&gt; for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.partial_cmp" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1023">source</a><a href="#method.partial_cmp" class="anchor"></a><h4 class="code-header">fn <a class="fnname">partial_cmp</a>(&amp;self, other: &amp;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>) -&gt; Option&lt;Ordering&gt;</h4></section></summary><div class='docblock'>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.lt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1028">source</a><a href="#method.lt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">lt</a>(&amp;self, other: &amp;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests less than (for <code>self</code> and <code>other</code>) and is used by the <code>&lt;</code> operator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.le" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1033">source</a><a href="#method.le" class="anchor"></a><h4 class="code-header">fn <a class="fnname">le</a>(&amp;self, other: &amp;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests less than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>&lt;=</code>
operator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.gt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1038">source</a><a href="#method.gt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">gt</a>(&amp;self, other: &amp;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>&gt;</code> operator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ge" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1043">source</a><a href="#method.ge" class="anchor"></a><h4 class="code-header">fn <a class="fnname">ge</a>(&amp;self, other: &amp;<a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests greater than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>&gt;=</code>
operator. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PartialOrd%3CLevelFilter%3E-for-Level" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#945">source</a><a href="#impl-PartialOrd%3CLevelFilter%3E-for-Level" class="anchor"></a><h3 class="code-header">impl PartialOrd&lt;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>&gt; for <a class="struct" href="../struct.Level.html" title="struct tracing::Level">Level</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.partial_cmp-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#947">source</a><a href="#method.partial_cmp-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">partial_cmp</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; Option&lt;Ordering&gt;</h4></section></summary><div class='docblock'>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.lt-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#952">source</a><a href="#method.lt-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">lt</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests less than (for <code>self</code> and <code>other</code>) and is used by the <code>&lt;</code> operator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.le-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#957">source</a><a href="#method.le-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">le</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests less than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>&lt;=</code>
operator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.gt-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#962">source</a><a href="#method.gt-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">gt</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>&gt;</code> operator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ge-2" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#967">source</a><a href="#method.ge-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">ge</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests greater than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>&gt;=</code>
operator. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-PartialOrd%3CLevelFilter%3E-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#987">source</a><a href="#impl-PartialOrd%3CLevelFilter%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl PartialOrd&lt;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>&gt; for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.partial_cmp-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#989">source</a><a href="#method.partial_cmp-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">partial_cmp</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; Option&lt;Ordering&gt;</h4></section></summary><div class='docblock'>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.lt-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#994">source</a><a href="#method.lt-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">lt</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests less than (for <code>self</code> and <code>other</code>) and is used by the <code>&lt;</code> operator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.le-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#999">source</a><a href="#method.le-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">le</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests less than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>&lt;=</code>
operator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.gt-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1004">source</a><a href="#method.gt-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">gt</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>&gt;</code> operator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ge-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#1009">source</a><a href="#method.ge-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">ge</a>(&amp;self, other: &amp;<a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a>) -&gt; bool</h4></section></summary><div class='docblock'>This method tests greater than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>&gt;=</code>
operator. <a>Read more</a></div></details></div></details><section id="impl-Copy-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#impl-Copy-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Copy for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section><section id="impl-Eq-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#impl-Eq-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Eq for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section><section id="impl-StructuralEq-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#impl-StructuralEq-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl StructuralEq for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section><section id="impl-StructuralPartialEq-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing_core/metadata.rs.html#239">source</a><a href="#impl-StructuralPartialEq-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl StructuralPartialEq for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-LevelFilter" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl RefUnwindSafe for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section><section id="impl-Send-for-LevelFilter" class="impl has-srclink"><a href="#impl-Send-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Send for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section><section id="impl-Sync-for-LevelFilter" class="impl has-srclink"><a href="#impl-Sync-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Sync for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section><section id="impl-Unpin-for-LevelFilter" class="impl has-srclink"><a href="#impl-Unpin-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl Unpin for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section><section id="impl-UnwindSafe-for-LevelFilter" class="impl has-srclink"><a href="#impl-UnwindSafe-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl UnwindSafe for <a class="struct" href="struct.LevelFilter.html" title="struct tracing::level_filters::LevelFilter">LevelFilter</a></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-LevelFilter" class="impl has-srclink"><a href="#impl-Any-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; Any for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a class="fnname">type_id</a>(&amp;self) -&gt; TypeId</h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-LevelFilter" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; Borrow&lt;T&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow</a>(&amp;self) -&gt; &amp;T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-LevelFilter" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; BorrowMut&lt;T&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow_mut</a>(&amp;mut self) -&gt; &amp;mut T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-LevelFilter" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; From&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from-3" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.from-3" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Instrument-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing/instrument.rs.html#276">source</a><a href="#impl-Instrument-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="../trait.Instrument.html" title="trait tracing::Instrument">Instrument</a> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.instrument" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing/instrument.rs.html#82-84">source</a><a href="#method.instrument" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Instrument.html#method.instrument" class="fnname">instrument</a>(self, span: <a class="struct" href="../struct.Span.html" title="struct tracing::Span">Span</a>) -&gt; <a class="struct" href="../instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;T&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;T:&nbsp;Future&gt; Future for <a class="struct" href="../instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a class="associatedtype">Output</a> = T::Output;</span></code></span></span></span></span></h4></section></summary><div class='docblock'>Instruments this type with the provided <a href="../struct.Span.html" title="Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <a href="../trait.Instrument.html#method.instrument">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.in_current_span" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing/instrument.rs.html#121-123">source</a><a href="#method.in_current_span" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Instrument.html#method.in_current_span" class="fnname">in_current_span</a>(self) -&gt; <a class="struct" href="../instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;T&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;T:&nbsp;Future&gt; Future for <a class="struct" href="../instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a class="associatedtype">Output</a> = T::Output;</span></code></span></span></span></span></h4></section></summary><div class='docblock'>Instruments this type with the <a href="../struct.Span.html#method.current">current</a> <a href="../struct.Span.html"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <a href="../trait.Instrument.html#method.in_current_span">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-LevelFilter" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T, U&gt; Into&lt;U&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: From&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">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>[From]&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-LevelFilter" class="impl has-srclink"><a href="#impl-ToOwned-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; ToOwned for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: Clone,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Owned" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a class="fnname">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">clone_into</a>(&amp;self, target: &amp;mut T)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToString-for-LevelFilter" class="impl has-srclink"><a href="#impl-ToString-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; ToString for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: Display + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_string" class="method trait-impl has-srclink"><a href="#method.to_string" class="anchor"></a><h4 class="code-header">default fn <a class="fnname">to_string</a>(&amp;self) -&gt; String</h4></section></summary><div class='docblock'>Converts the given value to a <code>String</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-LevelFilter" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T, U&gt; TryFrom&lt;U&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: Into&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = Infallible</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_from</a>(value: U) -&gt; Result&lt;T, &lt;T as TryFrom&lt;U&gt;&gt;::Error&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-LevelFilter" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T, U&gt; TryInto&lt;U&gt; for T<span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: TryFrom&lt;T&gt;,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = &lt;U as TryFrom&lt;T&gt;&gt;::Error</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_into</a>(self) -&gt; Result&lt;U, &lt;U as TryFrom&lt;T&gt;&gt;::Error&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-WithSubscriber-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../../src/tracing/instrument.rs.html#334">source</a><a href="#impl-WithSubscriber-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="../instrument/trait.WithSubscriber.html" title="trait tracing::instrument::WithSubscriber">WithSubscriber</a> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.with_subscriber" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing/instrument.rs.html#169-177">source</a><a href="#method.with_subscriber" class="anchor"></a><h4 class="code-header">fn <a href="../instrument/trait.WithSubscriber.html#method.with_subscriber" class="fnname">with_subscriber</a>&lt;S&gt;(self, subscriber: S) -&gt; <a class="struct" href="../instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;T&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;T:&nbsp;Future&gt; Future for <a class="struct" href="../instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a class="associatedtype">Output</a> = T::Output;</span></code></span></span></span></span><span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;S: Into&lt;<a class="struct" href="../struct.Dispatch.html" title="struct tracing::Dispatch">Dispatch</a>&gt;,</span></h4></section></summary><div class='docblock'>Attaches the provided <a href="../trait.Subscriber.html"><code>Subscriber</code></a> to this type, returning a
<a href="../instrument/struct.WithDispatch.html" title="WithDispatch"><code>WithDispatch</code></a> wrapper. <a href="../instrument/trait.WithSubscriber.html#method.with_subscriber">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.with_current_subscriber" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/tracing/instrument.rs.html#221-226">source</a><a href="#method.with_current_subscriber" class="anchor"></a><h4 class="code-header">fn <a href="../instrument/trait.WithSubscriber.html#method.with_current_subscriber" class="fnname">with_current_subscriber</a>(self) -&gt; <a class="struct" href="../instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt;<span class="notable-traits"><span class="notable-traits-tooltip"><span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;T&gt;</span><code class="content"><span class="where fmt-newline">impl&lt;T:&nbsp;Future&gt; Future for <a class="struct" href="../instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;T&gt;</span><span class="where fmt-newline"> type <a class="associatedtype">Output</a> = T::Output;</span></code></span></span></span></span></h4></section></summary><div class='docblock'>Attaches the current <a href="../dispatcher/index.html#setting-the-default-subscriber">default</a> <a href="../trait.Subscriber.html"><code>Subscriber</code></a> to this type, returning a
<a href="../instrument/struct.WithDispatch.html" title="WithDispatch"><code>WithDispatch</code></a> wrapper. <a href="../instrument/trait.WithSubscriber.html#method.with_current_subscriber">Read more</a></div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="tracing" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html>