| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="An enum representing the available verbosity levels of the logger."><meta name="keywords" content="rust, rustlang, rust-lang, Level"><title>Level in log - 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="icon" href="https://www.rust-lang.org/favicon.ico"></head><body class="rustdoc enum"><!--[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="sidebar-logo" href="../log/index.html"><div class="logo-container"><img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../log/index.html"><div class="logo-container"> |
| <img src="https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png" alt="logo"></div></a><h2 class="location"><a href="#">Level</a></h2><div class="sidebar-elems"><section><h3><a href="#variants">Variants</a></h3><ul class="block"><li><a href="#variant.Debug">Debug</a></li><li><a href="#variant.Error">Error</a></li><li><a href="#variant.Info">Info</a></li><li><a href="#variant.Trace">Trace</a></li><li><a href="#variant.Warn">Warn</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.as_str">as_str</a></li><li><a href="#method.iter">iter</a></li><li><a href="#method.max">max</a></li><li><a href="#method.to_level_filter">to_level_filter</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Clone-for-Level">Clone</a></li><li><a href="#impl-Copy-for-Level">Copy</a></li><li><a href="#impl-Debug-for-Level">Debug</a></li><li><a href="#impl-Display-for-Level">Display</a></li><li><a href="#impl-Eq-for-Level">Eq</a></li><li><a href="#impl-FromStr-for-Level">FromStr</a></li><li><a href="#impl-Hash-for-Level">Hash</a></li><li><a href="#impl-Ord-for-Level">Ord</a></li><li><a href="#impl-PartialEq%3CLevel%3E-for-Level">PartialEq<Level></a></li><li><a href="#impl-PartialEq%3CLevel%3E-for-LevelFilter">PartialEq<Level></a></li><li><a href="#impl-PartialEq%3CLevelFilter%3E-for-Level">PartialEq<LevelFilter></a></li><li><a href="#impl-PartialOrd%3CLevel%3E-for-Level">PartialOrd<Level></a></li><li><a href="#impl-PartialOrd%3CLevel%3E-for-LevelFilter">PartialOrd<Level></a></li><li><a href="#impl-PartialOrd%3CLevelFilter%3E-for-Level">PartialOrd<LevelFilter></a></li><li><a href="#impl-StructuralEq-for-Level">StructuralEq</a></li><li><a href="#impl-StructuralPartialEq-for-Level">StructuralPartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-Level">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Level">Send</a></li><li><a href="#impl-Sync-for-Level">Sync</a></li><li><a href="#impl-Unpin-for-Level">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Level">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-Level">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-Level">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Level">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-Level">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-Level">Into<U></a></li><li><a href="#impl-ToOwned-for-Level">ToOwned</a></li><li><a href="#impl-ToString-for-Level">ToString</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Level">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-Level">TryInto<U></a></li></ul></section><h2><a href="index.html">In log</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">Enum <a href="index.html">log</a>::<wbr><a class="enum" href="#">Level</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/log/lib.rs.html#425-449">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust enum"><code>#[repr(usize)] |
| pub enum Level { |
| Error, |
| Warn, |
| Info, |
| Debug, |
| Trace, |
| }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>An enum representing the available verbosity levels of the logger.</p> |
| <p>Typical usage includes: checking if a certain <code>Level</code> is enabled with |
| <a href="macro.log_enabled.html"><code>log_enabled!</code></a>, specifying the <code>Level</code> of |
| <a href="macro.log.html"><code>log!</code></a>, and comparing a <code>Level</code> directly to a |
| <a href="enum.LevelFilter.html"><code>LevelFilter</code></a>.</p> |
| </div></details><h2 id="variants" class="variants small-section-header">Variants<a href="#variants" class="anchor"></a></h2><h3 id="variant.Error" class="variant small-section-header"><a href="#variant.Error" class="anchor field"></a><code>Error</code></h3><div class="docblock"><p>The “error” level.</p> |
| <p>Designates very serious errors.</p> |
| </div><h3 id="variant.Warn" class="variant small-section-header"><a href="#variant.Warn" class="anchor field"></a><code>Warn</code></h3><div class="docblock"><p>The “warn” level.</p> |
| <p>Designates hazardous situations.</p> |
| </div><h3 id="variant.Info" class="variant small-section-header"><a href="#variant.Info" class="anchor field"></a><code>Info</code></h3><div class="docblock"><p>The “info” level.</p> |
| <p>Designates useful information.</p> |
| </div><h3 id="variant.Debug" class="variant small-section-header"><a href="#variant.Debug" class="anchor field"></a><code>Debug</code></h3><div class="docblock"><p>The “debug” level.</p> |
| <p>Designates lower priority information.</p> |
| </div><h3 id="variant.Trace" class="variant small-section-header"><a href="#variant.Trace" class="anchor field"></a><code>Trace</code></h3><div class="docblock"><p>The “trace” level.</p> |
| <p>Designates very low priority, often extremely verbose, information.</p> |
| </div><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-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#494-542">source</a><a href="#impl-Level" class="anchor"></a><h3 class="code-header">impl <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.max" class="method has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#508-510">source</a><h4 class="code-header">pub fn <a href="#method.max" class="fnname">max</a>() -> <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h4></section></summary><div class="docblock"><p>Returns the most verbose logging level.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_level_filter" class="method has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#514-516">source</a><h4 class="code-header">pub fn <a href="#method.to_level_filter" class="fnname">to_level_filter</a>(&self) -> <a class="enum" href="enum.LevelFilter.html" title="enum log::LevelFilter">LevelFilter</a></h4></section></summary><div class="docblock"><p>Converts the <code>Level</code> to the equivalent <code>LevelFilter</code>.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.as_str" class="method has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#521-523">source</a><h4 class="code-header">pub fn <a href="#method.as_str" class="fnname">as_str</a>(&self) -> &'static str</h4></section></summary><div class="docblock"><p>Returns the string representation of the <code>Level</code>.</p> |
| <p>This returns the same string as the <code>fmt::Display</code> implementation.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.iter" class="method has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#539-541">source</a><h4 class="code-header">pub fn <a href="#method.iter" class="fnname">iter</a>() -> impl Iterator<Item = Self></h4></section></summary><div class="docblock"><p>Iterate through all supported logging levels.</p> |
| <p>The order of iteration is from more severe to less severe log messages.</p> |
| <h5 id="examples"><a href="#examples">Examples</a></h5> |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>log::Level; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>levels = Level::iter(); |
| |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(Level::Error), levels.next()); |
| <span class="macro">assert_eq!</span>(<span class="prelude-val">Some</span>(Level::Trace), levels.last());</code></pre></div> |
| </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-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-Clone-for-Level" class="anchor"></a><h3 class="code-header">impl Clone for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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/log/lib.rs.html#424">source</a><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a class="fnname">clone</a>(&self) -> <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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>(&mut self, source: &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-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-Debug-for-Level" class="anchor"></a><h3 class="code-header">impl Debug for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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/log/lib.rs.html#424">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&self, f: &mut Formatter<'_>) -> Result</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-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#488-492">source</a><a href="#impl-Display-for-Level" class="anchor"></a><h3 class="code-header">impl Display for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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/log/lib.rs.html#489-491">source</a><a href="#method.fmt-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&self, fmt: &mut Formatter<'_>) -> Result</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-FromStr-for-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#472-486">source</a><a href="#impl-FromStr-for-Level" class="anchor"></a><h3 class="code-header">impl FromStr for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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.ParseLevelError.html" title="struct log::ParseLevelError">ParseLevelError</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/log/lib.rs.html#474-485">source</a><a href="#method.from_str" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from_str</a>(level: &str) -> Result<<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>, Self::Err></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-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-Hash-for-Level" class="anchor"></a><h3 class="code-header">impl Hash for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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/log/lib.rs.html#424">source</a><a href="#method.hash" class="anchor"></a><h4 class="code-header">fn <a class="fnname">hash</a><__H: Hasher>(&self, state: &mut __H)</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><H>(data: &[Self], state: &mut H)<span class="where fmt-newline">where<br> 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-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-Ord-for-Level" class="anchor"></a><h3 class="code-header">impl Ord for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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/log/lib.rs.html#424">source</a><a href="#method.cmp" class="anchor"></a><h4 class="code-header">fn <a class="fnname">cmp</a>(&self, other: &<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>) -> 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-1" 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-1" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">max</a>(self, other: Self) -> 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) -> 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) -> Self<span class="where fmt-newline">where<br> Self: PartialOrd<Self>,</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-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-PartialEq%3CLevel%3E-for-Level" class="anchor"></a><h3 class="code-header">impl PartialEq<<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>> for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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/log/lib.rs.html#424">source</a><a href="#method.eq" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq</a>(&self, other: &<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>) -> 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>(&self, other: &Rhs) -> 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%3CLevel%3E-for-LevelFilter" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#569-574">source</a><a href="#impl-PartialEq%3CLevel%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl PartialEq<<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>> for <a class="enum" href="enum.LevelFilter.html" title="enum log::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/log/lib.rs.html#571-573">source</a><a href="#method.eq-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq</a>(&self, other: &<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>) -> 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>(&self, other: &Rhs) -> 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/log/lib.rs.html#451-456">source</a><a href="#impl-PartialEq%3CLevelFilter%3E-for-Level" class="anchor"></a><h3 class="code-header">impl PartialEq<<a class="enum" href="enum.LevelFilter.html" title="enum log::LevelFilter">LevelFilter</a>> for <a class="enum" href="enum.Level.html" title="enum log::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/log/lib.rs.html#453-455">source</a><a href="#method.eq-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq</a>(&self, other: &<a class="enum" href="enum.LevelFilter.html" title="enum log::LevelFilter">LevelFilter</a>) -> 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>(&self, other: &Rhs) -> 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-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-PartialOrd%3CLevel%3E-for-Level" class="anchor"></a><h3 class="code-header">impl PartialOrd<<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>> for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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/log/lib.rs.html#424">source</a><a href="#method.partial_cmp" class="anchor"></a><h4 class="code-header">fn <a class="fnname">partial_cmp</a>(&self, other: &<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>) -> Option<Ordering></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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.lt" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">lt</a>(&self, other: &Rhs) -> 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><</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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.le" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">le</a>(&self, other: &Rhs) -> 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><=</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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.gt" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">gt</a>(&self, other: &Rhs) -> 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>></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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ge" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">ge</a>(&self, other: &Rhs) -> 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>>=</code> |
| operator. <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/log/lib.rs.html#576-581">source</a><a href="#impl-PartialOrd%3CLevel%3E-for-LevelFilter" class="anchor"></a><h3 class="code-header">impl PartialOrd<<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>> for <a class="enum" href="enum.LevelFilter.html" title="enum log::LevelFilter">LevelFilter</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/log/lib.rs.html#578-580">source</a><a href="#method.partial_cmp-2" class="anchor"></a><h4 class="code-header">fn <a class="fnname">partial_cmp</a>(&self, other: &<a class="enum" href="enum.Level.html" title="enum log::Level">Level</a>) -> Option<Ordering></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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.lt-2" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">lt</a>(&self, other: &Rhs) -> 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><</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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.le-2" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">le</a>(&self, other: &Rhs) -> 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><=</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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.gt-2" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">gt</a>(&self, other: &Rhs) -> 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>></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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ge-2" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">ge</a>(&self, other: &Rhs) -> 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>>=</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/log/lib.rs.html#458-463">source</a><a href="#impl-PartialOrd%3CLevelFilter%3E-for-Level" class="anchor"></a><h3 class="code-header">impl PartialOrd<<a class="enum" href="enum.LevelFilter.html" title="enum log::LevelFilter">LevelFilter</a>> for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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/log/lib.rs.html#460-462">source</a><a href="#method.partial_cmp-1" class="anchor"></a><h4 class="code-header">fn <a class="fnname">partial_cmp</a>(&self, other: &<a class="enum" href="enum.LevelFilter.html" title="enum log::LevelFilter">LevelFilter</a>) -> Option<Ordering></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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.lt-1" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">lt</a>(&self, other: &Rhs) -> 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><</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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.le-1" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">le</a>(&self, other: &Rhs) -> 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><=</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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.gt-1" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">gt</a>(&self, other: &Rhs) -> 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>></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"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.ge-1" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">ge</a>(&self, other: &Rhs) -> 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>>=</code> |
| operator. <a>Read more</a></div></details></div></details><section id="impl-Copy-for-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-Copy-for-Level" class="anchor"></a><h3 class="code-header">impl Copy for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h3></section><section id="impl-Eq-for-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-Eq-for-Level" class="anchor"></a><h3 class="code-header">impl Eq for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h3></section><section id="impl-StructuralEq-for-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-StructuralEq-for-Level" class="anchor"></a><h3 class="code-header">impl StructuralEq for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h3></section><section id="impl-StructuralPartialEq-for-Level" class="impl has-srclink"><a class="srclink rightside" href="../src/log/lib.rs.html#424">source</a><a href="#impl-StructuralPartialEq-for-Level" class="anchor"></a><h3 class="code-header">impl StructuralPartialEq for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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-Level" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Level" class="anchor"></a><h3 class="code-header">impl RefUnwindSafe for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h3></section><section id="impl-Send-for-Level" class="impl has-srclink"><a href="#impl-Send-for-Level" class="anchor"></a><h3 class="code-header">impl Send for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h3></section><section id="impl-Sync-for-Level" class="impl has-srclink"><a href="#impl-Sync-for-Level" class="anchor"></a><h3 class="code-header">impl Sync for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h3></section><section id="impl-Unpin-for-Level" class="impl has-srclink"><a href="#impl-Unpin-for-Level" class="anchor"></a><h3 class="code-header">impl Unpin for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</a></h3></section><section id="impl-UnwindSafe-for-Level" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Level" class="anchor"></a><h3 class="code-header">impl UnwindSafe for <a class="enum" href="enum.Level.html" title="enum log::Level">Level</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-Level" class="impl has-srclink"><a href="#impl-Any-for-Level" class="anchor"></a><h3 class="code-header">impl<T> Any for T<span class="where fmt-newline">where<br> 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>(&self) -> 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-Level" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-Level" class="anchor"></a><h3 class="code-header">impl<T> Borrow<T> for T<span class="where fmt-newline">where<br> 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>(&self) -> &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-Level" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-Level" class="anchor"></a><h3 class="code-header">impl<T> BorrowMut<T> for T<span class="where fmt-newline">where<br> 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>(&mut self) -> &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-Level" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-Level" class="anchor"></a><h3 class="code-header">impl<T> From<T> for T</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"><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" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -> 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-Into%3CU%3E-for-Level" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-Level" class="anchor"></a><h3 class="code-header">impl<T, U> Into<U> for T<span class="where fmt-newline">where<br> U: From<T>,</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) -> 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]<T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-Level" class="impl has-srclink"><a href="#impl-ToOwned-for-Level" class="anchor"></a><h3 class="code-header">impl<T> ToOwned for T<span class="where fmt-newline">where<br> 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>(&self) -> 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>(&self, target: &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-Level" class="impl has-srclink"><a href="#impl-ToString-for-Level" class="anchor"></a><h3 class="code-header">impl<T> ToString for T<span class="where fmt-newline">where<br> 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>(&self) -> 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-Level" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-Level" class="anchor"></a><h3 class="code-header">impl<T, U> TryFrom<U> for T<span class="where fmt-newline">where<br> U: Into<T>,</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) -> Result<T, <T as TryFrom<U>>::Error></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-Level" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-Level" class="anchor"></a><h3 class="code-header">impl<T, U> TryInto<U> for T<span class="where fmt-newline">where<br> U: TryFrom<T>,</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> = <U as TryFrom<T>>::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) -> Result<U, <U as TryFrom<T>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="log" 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