<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="Configures what points in the span lifecycle are logged as events."><title>FmtSpan in tracing_subscriber::fmt::format - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><linkrel="stylesheet"href="../../../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../../../static.files/rustdoc-ac92e1bbe349e143.css"><metaname="rustdoc-vars"data-root-path="../../../"data-static-root-path="../../../static.files/"data-current-crate="tracing_subscriber"data-themes=""data-resource-suffix=""data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)"data-channel="1.76.0"data-search-js="search-2b6ce74ff89ae146.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="../../../static.files/storage-f2adc0d6ca4d09fb.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../../static.files/main-305769736d49e732.js"></script><noscript><linkrel="stylesheet"href="../../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><linkrel="alternate icon"type="image/png"href="../../../static.files/favicon-16x16-8b506e7a72182f1c.png"><linkrel="alternate icon"type="image/png"href="../../../static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="../../../static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle">☰</button><aclass="logo-container"href="../../../tracing_subscriber/index.html"><imgsrc="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png"alt=""></a></nav><navclass="sidebar"><divclass="sidebar-crate"><aclass="logo-container"href="../../../tracing_subscriber/index.html"><imgsrc="https://raw.githubusercontent.com/tokio-rs/tracing/master/assets/logo-type.png"alt="logo"></a><h2><ahref="../../../tracing_subscriber/index.html">tracing_subscriber</a><spanclass="version">0.3.18</span></h2></div><h2class="location"><ahref="#">FmtSpan</a></h2><divclass="sidebar-elems"><section><h3><ahref="#implementations">Associated Constants</a></h3><ulclass="block associatedconstant"><li><ahref="#associatedconstant.ACTIVE">ACTIVE</a></li><li><ahref="#associatedconstant.CLOSE">CLOSE</a></li><li><ahref="#associatedconstant.ENTER">ENTER</a></li><li><ahref="#associatedconstant.EXIT">EXIT</a></li><li><ahref="#associatedconstant.FULL">FULL</a></li><li><ahref="#associatedconstant.NEW">NEW</a></li><li><ahref="#associatedconstant.NONE">NONE</a></li></ul><h3><ahref="#trait-implementations">Trait Implementations</a></h3><ulclass="block trait-implementation"><li><ahref="#impl-BitAnd-for-FmtSpan">BitAnd</a></li><li><ahref="#impl-BitAndAssign-for-FmtSpan">BitAndAssign</a></li><li><ahref="#impl-BitOr-for-FmtSpan">BitOr</a></li><li><ahref="#impl-BitOrAssign-for-FmtSpan">BitOrAssign</a></li><li><ahref="#impl-BitXor-for-FmtSpan">BitXor</a></li><li><ahref="#impl-BitXorAssign-for-FmtSpan">BitXorAssign</a></li><li><ahref="#impl-Clone-for-FmtSpan">Clone</a></li><li><ahref="#impl-Debug-for-FmtSpan">Debug</a></li><li><ahref="#impl-Eq-for-FmtSpan">Eq</a></li><li><ahref="#impl-Ord-for
<main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../../../tracing_subscriber/all.html"title="show sidebar"></a></div><inputclass="search-input"name="search"aria-label="Run search in the documentation"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><divid="help-button"tabindex="-1"><ahref="../../../help.html"title="help">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1>Struct <ahref="../../index.html">tracing_subscriber</a>::<wbr><ahref="../index.html">fmt</a>::<wbr><ahref="index.html">format</a>::<wbr><aclass="struct"href="#">FmtSpan</a><buttonid="copy-path"title="Copy item path to clipboard"><imgsrc="../../../static.files/clipboard-7571035ce49a181d.svg"width="19"height="18"alt="Copy item path"></button></h1><spanclass="out-of-band"><aclass="src"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1585">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub struct FmtSpan(<spanclass="comment">/* private fields */</span>);</code></pre><detailsclass="toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>Configures what points in the span lifecycle are logged as events.</p>
<p>See also <ahref="super::SubscriberBuilder.html::with_span_events"><code>with_span_events</code></a>.</p>
</div></details><h2id="implementations"class="section-header">Implementations<ahref="#implementations"class="anchor">§</a></h2><divid="implementations-list"><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-FmtSpan"class="impl"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1587-1609">source</a><ahref="#impl-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedconstant.NEW"class="associatedconstant"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1589">source</a><h4class="code-header">pub const <ahref="#associatedconstant.NEW"class="constant">NEW</a>: <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a> = _</h4></section></summary><divclass="docblock"><p>one event when span is created</p>
</div></details><detailsclass="toggle"open><summary><sectionid="associatedconstant.ENTER"class="associatedconstant"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1591">source</a><h4class="code-header">pub const <ahref="#associatedconstant.ENTER"class="constant">ENTER</a>: <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a> = _</h4></section></summary><divclass="docblock"><p>one event per enter of a span</p>
</div></details><detailsclass="toggle"open><summary><sectionid="associatedconstant.EXIT"class="associatedconstant"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1593">source</a><h4class="code-header">pub const <ahref="#associatedconstant.EXIT"class="constant">EXIT</a>: <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a> = _</h4></section></summary><divclass="docblock"><p>one event per exit of a span</p>
</div></details><detailsclass="toggle"open><summary><sectionid="associatedconstant.CLOSE"class="associatedconstant"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1595">source</a><h4class="code-header">pub const <ahref="#associatedconstant.CLOSE"class="constant">CLOSE</a>: <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a> = _</h4></section></summary><divclass="docblock"><p>one event when the span is dropped</p>
</div></details><detailsclass="toggle"open><summary><sectionid="associatedconstant.NONE"class="associatedconstant"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1598">source</a><h4class="code-header">pub const <ahref="#associatedconstant.NONE"class="constant">NONE</a>: <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a> = _</h4></section></summary><divclass="docblock"><p>spans are ignored (this is the default)</p>
</div></details><detailsclass="toggle"open><summary><sectionid="associatedconstant.ACTIVE"class="associatedconstant"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1600">source</a><h4class="code-header">pub const <ahref="#associatedconstant.ACTIVE"class="constant">ACTIVE</a>: <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a> = _</h4></section></summary><divclass="docblock"><p>one event per enter/exit of a span</p>
</div></details><detailsclass="toggle"open><summary><sectionid="associatedconstant.FULL"class="associatedconstant"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1602-1603">source</a><h4class="code-header">pub const <ahref="#associatedconstant.FULL"class="constant">FULL</a>: <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a> = _</h4></section></summary><divclass="docblock"><p>events at all points (new, enter, exit, drop)</p>
Self: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Compares and returns the maximum of two values. <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.max">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.min"class="method trait-impl"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.21.0">1.21.0</span> · <aclass="src"href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#849-851">source</a></span><ahref="#method.min"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.min"class="fn">min</a>(self, other: Self) -> Self<divclass="where">where
Self: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><divclass='docblock'>Compares and returns the minimum of two values. <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.min">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.clamp"class="method trait-impl"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.50.0">1.50.0</span> · <aclass="src"href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#874-877">source</a></span><ahref="#method.clamp"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.clamp"class="fn">clamp</a>(self, min: Self, max: Self) -> Self<divclass="where">where
Self: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a> + <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html"title="trait core::cmp::PartialOrd">PartialOrd</a>,</div></h4></section></summary><divclass='docblock'>Restrict a value to a certain interval. <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Ord.html#method.clamp">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-PartialEq-for-FmtSpan"class="impl"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1584">source</a><ahref="#impl-PartialEq-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html"title="trait core::cmp::PartialEq">PartialEq</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.eq"class="method trait-impl"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1584">source</a><ahref="#method.eq"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html#tymethod.eq"class="fn">eq</a>(&self, other: &<aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a>) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><divclass='docblock'>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
by <code>==</code>.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.ne"class="method trait-impl"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.0.0">1.0.0</span> · <aclass="src"href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#242">source</a></span><ahref="#method.ne"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialEq.html#method.ne"class="fn">ne</a>(&self, other: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&Rhs</a>) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><divclass='docblock'>This method tests for <code>!=</code>. The default implementation is almost always
sufficient, and should not be overridden without very good reason.</div></details></div></details><detailsclass="toggle implementors-toggle"open><summary><sectionid="impl-PartialOrd-for-FmtSpan"class="impl"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1584">source</a><ahref="#impl-PartialOrd-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html"title="trait core::cmp::PartialOrd">PartialOrd</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.partial_cmp"class="method trait-impl"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1584">source</a><ahref="#method.partial_cmp"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#tymethod.partial_cmp"class="fn">partial_cmp</a>(&self, other: &<aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.76.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="enum"href="https://doc.rust-lang.org/1.76.0/core/cmp/enum.Ordering.html"title="enum core::cmp::Ordering">Ordering</a>></h4></section></summary><divclass='docblock'>This method returns an ordering between <code>self</code> and <code>other</code> values if one exists. <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#tymethod.partial_cmp">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.lt"class="method trait-impl"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.0.0">1.0.0</span> · <aclass="src"href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#1125">source</a></span><ahref="#method.lt"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.lt"class="fn">lt</a>(&self, other: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&Rhs</a>) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><divclass='docblock'>This method tests less than (for <code>self</code> and <code>other</code>) and is used by the <code><</code> operator. <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.lt">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.le"class="method trait-impl"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.0.0">1.0.0</span> · <aclass="src"href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#1142">source</a></span><ahref="#method.le"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.le"class="fn">le</a>(&self, other: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&Rhs</a>) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><divclass='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. <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.le">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.gt"class="method trait-impl"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.0.0">1.0.0</span> · <aclass="src"href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#1158">source</a></span><ahref="#method.gt"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.gt"class="fn">gt</a>(&self, other: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&Rhs</a>) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><divclass='docblock'>This method tests greater than (for <code>self</code> and <code>other</code>) and is used by the <code>></code> operator. <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.gt">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.ge"class="method trait-impl"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.0.0">1.0.0</span> · <aclass="src"href="https://doc.rust-lang.org/1.76.0/src/core/cmp.rs.html#1175">source</a></span><ahref="#method.ge"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.ge"class="fn">ge</a>(&self, other: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&Rhs</a>) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.bool.html">bool</a></h4></section></summary><divclass='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. <ahref="https://doc.rust-lang.org/1.76.0/core/cmp/trait.PartialOrd.html#method.ge">Read more</a></div></details></div></details><sectionid="impl-Eq-for-FmtSpan"class="impl"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1584">source</a><ahref="#impl-Eq-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/cmp/trait.Eq.html"title="trait core::cmp::Eq">Eq</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section><sectionid="impl-StructuralEq-for-FmtSpan"class="impl"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1584">source</a><ahref="#impl-StructuralEq-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.StructuralEq.html"title="trait core::marker::StructuralEq">StructuralEq</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section><sectionid="impl-StructuralPartialEq-for-FmtSpan"class="impl"><aclass="src rightside"href="../../../src/tracing_subscriber/fmt/format/mod.rs.html#1584">source</a><ahref="#impl-StructuralPartialEq-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.StructuralPartialEq.html"title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section></div><h2id="synthetic-implementations"class="section-header">Auto Trait Implementations<ahref="#synthetic-implementations"class="anchor">§</a></h2><divid="synthetic-implementations-list"><sectionid="impl-RefUnwindSafe-for-FmtSpan"class="impl"><ahref="#impl-RefUnwindSafe-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.RefUnwindSafe.html"title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section><sectionid="impl-Send-for-FmtSpan"class="impl"><ahref="#impl-Send-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Send.html"title="trait core::marker::Send">Send</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section><sectionid="impl-Sync-for-FmtSpan"class="impl"><ahref="#impl-Sync-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sync.html"title="trait core::marker::Sync">Sync</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section><sectionid="impl-Unpin-for-FmtSpan"class="impl"><ahref="#impl-Unpin-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Unpin.html"title="trait core::marker::Unpin">Unpin</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section><sectionid="impl-UnwindSafe-for-FmtSpan"class="impl"><ahref="#impl-UnwindSafe-for-FmtSpan"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/panic/unwind_safe/trait.UnwindSafe.html"title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <aclass="struct"href="struct.FmtSpan.html"title="struct tracing_subscriber::fmt::format::FmtSpan">FmtSpan</a></h3></section></div><h2id="blanket-implementations"class="section-header">Blanket Implementations<ahref="#blanket-implemen
T: 'static + ?<aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.type_id"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/any.rs.html#141">source</a><ahref="#method.type_id"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id"class="fn">type_id</a>(&self) -><aclass="struct"href="https://doc.rust-lang.org/1.76.0/core/any/struct.TypeId.html"title="struct core::any::TypeId">TypeId</a></h4></section></summary><divclass='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <ahref="https://doc.rust-lang.org/1.76.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-Borrow%3CT%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#208">source</a><ahref="#impl-Borrow%3CT%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html"title="trait core::borrow::Borrow">Borrow</a><T> for T<divclass="where">where
T: ?<aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.borrow"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#210">source</a><ahref="#method.borrow"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow"class="fn">borrow</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&T</a></h4></section></summary><divclass='docblock'>Immutably borrows from an owned value. <ahref="https://doc.rust-lang.org/1.76.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-BorrowMut%3CT%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#216">source</a><ahref="#impl-BorrowMut%3CT%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html"title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<divclass="where">where
T: ?<aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.borrow_mut"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/borrow.rs.html#217">source</a><ahref="#method.borrow_mut"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut"class="fn">borrow_mut</a>(&mut self) -><aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut T</a></h4></section></summary><divclass='docblock'>Mutably borrows from an owned value. <ahref="https://doc.rust-lang.org/1.76.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-From%3CT%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#763">source</a><ahref="#impl-From%3CT%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for T</h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.from"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#766">source</a><ahref="#method.from"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html#tymethod.from"class="fn">from</a>(t: T) -> T</h4></section></summary><divclass="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-Instrument-for-T"class="impl"><aclass="src rightside"href="../../../src/tracing/instrument.rs.html#325">source</a><ahref="#impl-Instrument-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="../../../tracing/instrument/trait.Instrument.html"title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.instrument"class="method trait-impl"><aclass="src rightside"href="../../../src/tracing/instrument.rs.html#86">source</a><ahref="#method.instrument"class="anchor">§</a><h4class="code-header">fn <ahref="../../../tracing/instrument/trait.Instrument.html#method.instrument"class="fn">instrument</a>(self, span: <aclass="struct"href="../../../tracing/span/struct.Span.html"title="struct tracing::span::Span">Span</a>) -><aclass="struct"href="../../../tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'>Instruments this type with the provided <ahref="../../../tracing/span/struct.Span.html"title="struct tracing::span::Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <ahref="../../../tracing/instrument/trait.Instrument.html#method.instrument">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.in_current_span"class="method trait-impl"><aclass="src rightside"href="../../../src/tracing/instrument.rs.html#128">source</a><ahref="#method.in_current_span"class="anchor">§</a><h4class="code-header">fn <ahref="../../../tracing/instrument/trait.Instrument.html#method.in_current_span"class="fn">in_current_span</a>(self) -><aclass="struct"href="../../../tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'>Instruments this type with the <ahref="../../../tracing/span/struct.Span.html#method.current"title="associated function tracing::span::Span::current">current</a><ahref="../../../tracing/span/struct.Span.html"title="struct tracing::span::Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <ahref="../../../tracing/instrument/trait.Instrument.html#method.in_current_span">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-Into%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#747-749">source</a><ahref="#impl-Into%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><U> for T<divclass="where">where
<p>That is, this conversion is whatever the implementation of
<code><ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p>
</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-ToOwned-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#83-85">source</a><ahref="#impl-ToOwned-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html"title="trait alloc::borrow::ToOwned">ToOwned</a> for T<divclass="where">where
T: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/clone/trait.Clone.html"title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Owned"class="associatedtype trait-impl"><ahref="#associatedtype.Owned"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned"class="associatedtype">Owned</a> = T</h4></section></summary><divclass='docblock'>The resulting type after obtaining ownership.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.to_owned"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#88">source</a><ahref="#method.to_owned"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned"class="fn">to_owned</a>(&self) -> T</h4></section></summary><divclass='docblock'>Creates owned data from borrowed data, usually by cloning. <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.clone_into"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/alloc/borrow.rs.html#92">source</a><ahref="#method.clone_into"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into"class="fn">clone_into</a>(&self, target: <aclass="primitive"href="https://doc.rust-lang.org/1.76.0/std/primitive.reference.html">&mut T</a>)</h4></section></summary><divclass='docblock'>Uses borrowed data to replace owned data, usually by cloning. <ahref="https://doc.rust-lang.org/1.76.0/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryFrom%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#803-805">source</a><ahref="#impl-TryFrom%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error"class="associatedtype trait-impl"><ahref="#associatedtype.Error"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error"class="associatedtype">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/1.76.0/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_from"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#810">source</a><ahref="#method.try_from"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#tymethod.try_from"class="fn">try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-TryInto%3CU%3E-for-T"class="impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#788-790">source</a><ahref="#impl-TryInto%3CU%3E-for-T"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T<divclass="where">where
U: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><divclass="impl-items"><detailsclass="toggle"open><summary><sectionid="associatedtype.Error-1"class="associatedtype trait-impl"><ahref="#associatedtype.Error-1"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#associatedtype.Error"class="associatedtype">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.try_into"class="method trait-impl"><aclass="src rightside"href="https://doc.rust-lang.org/1.76.0/src/core/convert/mod.rs.html#795">source</a><ahref="#method.try_into"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryInto.html#tymethod.try_into"class="fn">try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="associatedtype"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><divclass='docblock'>Performs the conversion.</div></details></div></details><detailsclass="toggle implementors-toggle"><summary><sectionid="impl-WithSubscriber-for-T"class="impl"><aclass="src rightside"href="../../../src/tracing/instrument.rs.html#393">source</a><ahref="#impl-WithSubscriber-for-T"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="../../../tracing/instrument/trait.WithSubscriber.html"title="trait tracing::instrument::WithSubscriber">WithSubscriber</a> for T</h3></section></summary><divclass="impl-items"><detailsclass="toggle method-toggle"open><summary><sectionid="method.with_subscriber"class="method trait-impl"><aclass="src rightside"href="../../../src/tracing/instrument.rs.html#176-178">source</a><ahref="#method.with_subscriber"class="anchor">§</a><h4class="code-header">fn <ahref="../../../tracing/instrument/trait.WithSubscriber.html#method.with_subscriber"class="fn">with_subscriber</a><S>(self, subscriber: S) -><aclass="struct"href="../../../tracing/instrument/struct.WithDispatch.html"title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self><divclass="where">where
S: <aclass="trait"href="https://doc.rust-lang.org/1.76.0/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><<aclass="struct"href="../../../tracing_core/dispatcher/struct.Dispatch.html"title="struct tracing_core::dispatcher::Dispatch">Dispatch</a>>,</div></h4></section></summary><divclass='docblock'>Attaches the provided <ahref="../../../tracing_core/subscriber/trait.Subscriber.html"title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a> to this type, returning a
<ahref="../../../tracing/instrument/struct.WithDispatch.html"title="struct tracing::instrument::WithDispatch"><code>WithDispatch</code></a> wrapper. <ahref="../../../tracing/instrument/trait.WithSubscriber.html#method.with_subscriber">Read more</a></div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.with_current_subscriber"class="method trait-impl"><aclass="src rightside"href="../../../src/tracing/instrument.rs.html#228">source</a><ahref="#method.with_current_subscriber"class="anchor">§</a><h4class="code-header">fn <ahref="../../../tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber"class="fn">with_current_subscriber</a>(self) -><aclass="struct"href="../../../tracing/instrument/struct.WithDispatch.html"title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self></h4></section></summary><divclass='docblock'>Attaches the current <ahref="../../../tracing/dispatcher/index.html#setting-the-default-subscriber"title="mod tracing::dispatcher">default</a><ahref="../../../tracing_core/subscriber/trait.Subscriber.html"title="trait tracing_core::subscriber::Subscriber"><code>Subscriber</code></a> to this type, returning a
