<!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="A session key, the string stored in a client-side cookie to associate a user with its session state on the backend."><metaname="keywords"content="rust, rustlang, rust-lang, SessionKey"><title>SessionKey in actix_session::storage - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceSerif4-Regular-1f7d512b176f0f72.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/SourceSerif4-Bold-124a1ca42af929b6.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-59deea3733ac6c09.css"id="mainThemeStyle"><linkrel="stylesheet"id="themeStyle"href="../../static.files/light-3bcdcab5f4113412.css"><linkrel="stylesheet"disabledhref="../../static.files/dark-091ecdca18d5df85.css"><linkrel="stylesheet"disabledhref="../../static.files/ayu-45445754dcd01ab2.css"><scriptid="default-settings"></script><scriptsrc="../../static.files/storage-d43fa987303ecbbb.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../static.files/main-287cecec4dbb45b0.js"></script><noscript><linkrel="stylesheet"href="../../static.files/noscript-13285aec31fa243e.css"></noscript><linkrel="icon"href="https://actix.rs/favicon.ico"></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="sidebar-logo"href="../../actix_session/index.html"><divclass="logo-container"><imgsrc="https://actix.rs/img/logo.png"alt="logo"></div></a><h2></h2></nav><navclass="sidebar"><aclass="sidebar-logo"href="../../actix_session/index.html"><divclass="logo-container">
<imgsrc="https://actix.rs/img/logo.png"alt="logo"></div></a><h2class="location"><ahref="#">SessionKey</a></h2><divclass="sidebar-elems"><section><h3><ahref="#trait-implementations">Trait Implementations</a></h3><ulclass="block"><li><ahref="#impl-AsRef%3Cstr%3E-for-SessionKey">AsRef<str></a></li><li><ahref="#impl-Debug-for-SessionKey">Debug</a></li><li><ahref="#impl-Eq-for-SessionKey">Eq</a></li><li><ahref="#impl-From%3CSessionKey%3E-for-String">From<SessionKey></a></li><li><ahref="#impl-PartialEq%3CSessionKey%3E-for-SessionKey">PartialEq<SessionKey></a></li><li><ahref="#impl-StructuralEq-for-SessionKey">StructuralEq</a></li><li><ahref="#impl-StructuralPartialEq-for-SessionKey">StructuralPartialEq</a></li><li><ahref="#impl-TryFrom%3CString%3E-for-SessionKey">TryFrom<String></a></li></ul><h3><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ulclass="block"><li><ahref="#impl-RefUnwindSafe-for-SessionKey">RefUnwindSafe</a></li><li><ahref="#impl-Send-for-SessionKey">Send</a></li><li><ahref="#impl-Sync-for-SessionKey">Sync</a></li><li><ahref="#impl-Unpin-for-SessionKey">Unpin</a></li><li><ahref="#impl-UnwindSafe-for-SessionKey">UnwindSafe</a></li></ul><h3><ahref="#blanket-implementations">Blanket Implementations</a></h3><ulclass="block"><li><ahref="#impl-Any-for-SessionKey">Any</a></li><li><ahref="#impl-Borrow%3CT%3E-for-SessionKey">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT%3E-for-SessionKey">BorrowMut<T></a></li><li><ahref="#impl-Equivalent%3CK%3E-for-SessionKey">Equivalent<K></a></li><li><ahref="#impl-From%3CT%3E-for-SessionKey">From<T></a></li><li><ahref="#impl-Instrument-for-SessionKey">Instrument</a></li><li><ahref="#impl-Into%3CU%3E-for-SessionKey">Into<U></a></li><li><ahref="#impl-Same%3CT%3E-for-SessionKey">Same<T></a></li><li><ahref="#impl-TryFrom%3CU%3E-for-SessionKey">TryFrom<U></a></li><li><ahref="#impl-TryInto%3CU%3E-for-SessionKey">TryInto<U></a></li><li><ahref="#impl-VZip%3CV%3E-for-SessionKey">VZip<V></a></li><li><ahref="#impl-WithSubscriber-for-SessionKey">WithSubscriber</a></li></ul></section><h2><ahref="index.html">In actix_session::storage</a></h2></div></nav><main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><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"title="help"tabindex="-1"><ahref="../../help.html">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../static.files/wheel-5ec35bf9ca753509.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1class="fqn">Struct <ahref="../index.html">actix_session</a>::<wbr><ahref="index.html">storage</a>::<wbr><aclass="struct"href="#">SessionKey</a><buttonid="copy-path"onclick="copy_path(this)"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="srclink"href="../../src/actix_session/storage/session_key.rs.html#21">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><divclass="item-decl"><preclass="rust struct"><code>pub struct SessionKey(_);</code></pre></div><detailsclass="rustdoc-toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>A session key, the string stored in a client-side cookie to associate a user with its session
</div></details><h2id="trait-implementations"class="small-section-header">Trait Implementations<ahref="#trait-implementations"class="anchor">§</a></h2><divid="trait-implementations-list"><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-AsRef%3Cstr%3E-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#38-42">source</a><ahref="#impl-AsRef%3Cstr%3E-for-SessionKey"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html"title="trait core::convert::AsRef">AsRef</a><<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>> for <aclass="struct"href="struct.SessionKey.html"title="struct actix_session::storage::SessionKey">SessionKey</a></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.as_ref"class="method trait-impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#39-41">source</a><ahref="#method.as_ref"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html#tymethod.as_ref"class="fn">as_ref</a>(&self) ->&<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a></h4></section></summary><divclass='docblock'>Converts this type into a shared reference of the (usually inferred) input type.</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-Debug-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#20">source</a><ahref="#impl-Debug-for-SessionKey"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html"title="trait core::fmt::Debug">Debug</a> for <aclass="struct"href="struct.SessionKey.html"title="struct actix_session::storage::SessionKey">SessionKey</a></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt"class="method trait-impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#20">source</a><ahref="#method.fmt"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt"class="fn">fmt</a>(&self, f: &mut <aclass="struct"href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html"title="struct core::fmt::Formatter">Formatter</a><'_>) -><aclass="type"href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html"title="type core::fmt::Result">Result</a></h4></section></summary><divclass='docblock'>Formats the value using the given formatter. <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-From%3CSessionKey%3E-for-String"class="impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#44-48">source</a><ahref="#impl-From%3CSessionKey%3E-for-String"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><<aclass="struct"href="struct.SessionKey.html"title="struct actix_session::storage::SessionKey">SessionKey</a>> for <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html"title="struct alloc::string::String">String</a></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.from"class="method trait-impl has-srclink"><aclass="srclink rightside"href="../
by <code>==</code>. <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq">Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.ne"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.0.0">1.0.0</span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#228">source</a></span><ahref="#method.ne"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne"class="fn">ne</a>(&self, other: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Rhs) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/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. <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne">Read more</a></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-TryFrom%3CString%3E-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#23-36">source</a><ahref="#impl-TryFrom%3CString%3E-for-SessionKey"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><<aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html"title="struct alloc::string::String">String</a>> for <aclass="struct"href="struct.SessionKey.html"title="struct actix_session::storage::SessionKey">SessionKey</a></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Error"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"class="associatedtype">Error</a> = InvalidSessionKeyError</h4></section></summary><divclass='docblock'>The type returned in the event of a conversion error.</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.try_from"class="method trait-impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#26-35">source</a><ahref="#method.try_from"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from"class="fn">try_from</a>(val: <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html"title="struct alloc::string::String">String</a>) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><Self, Self::<aclass="associatedtype"href="https://doc.rust-lang.org/nightly/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><sectionid="impl-Eq-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#20">source</a><ahref="#impl-Eq-for-SessionKey"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/cmp/trait.Eq.html"title="trait core::cmp::Eq">Eq</a> for <aclass="struct"href="struct.SessionKey.html"title="struct actix_session::storage::SessionKey">SessionKey</a></h3></section><sectionid="impl-StructuralEq-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#20">source</a><ahref="#impl-StructuralEq-for-SessionKey"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.StructuralEq.html"title="trait core::marker::StructuralEq">StructuralEq</a> for <aclass="struct"href="struct.SessionKey.html"title="struct actix_session::storage::SessionKey">SessionKey</a></h3></section><sectionid="impl-StructuralPartialEq-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="../../src/actix_session/storage/session_key.rs.html#20">source</a><ahref="#impl-StructuralPartialEq-for-SessionKey"class="anchor">§</a><h3class="code-header">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.StructuralPartialEq.html"title="trait core::marker::StructuralPartialEq">StructuralPartialEq</a> for <aclass="struct"href="struct.SessionKey.html"title="struct actix_session::storage::SessionKey">SessionKey</a></h3>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Instrument-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.37/src/tracing/instrument.rs.html#276">source</a><ahref="#impl-Instrument-for-SessionKey"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.Instrument.html"title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.instrument"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.37/src/tracing/instrument.rs.html#82">source</a><ahref="#method.instrument"class="anchor">§</a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.Instrument.html#method.instrument"class="fn">instrument</a>(self, span: <aclass="struct"href="https://docs.rs/tracing/0.1.37/tracing/span/struct.Span.html"title="struct tracing::span::Span">Span</a>) -><aclass="struct"href="https://docs.rs/tracing/0.1.37/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="https://docs.rs/tracing/0.1.37/tracing/span/struct.Span.html"title="Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.Instrument.html#method.instrument">Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.in_current_span"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.37/src/tracing/instrument.rs.html#121">source</a><ahref="#method.in_current_span"class="anchor">§</a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.Instrument.html#method.in_current_span"class="fn">in_current_span</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.37/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'>Instruments this type with the <ahref="https://docs.rs/tracing/0.1.37/tracing/span/struct.Span.html#method.current">current</a><ahref="https://docs.rs/tracing/0.1.37/tracing/span/struct.Span.html"><code>Span</code></a>, returning an
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Same%3CT%3E-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/typenum/1.15.0/src/typenum/type_operators.rs.html#34">source</a><ahref="#impl-Same%3CT%3E-for-SessionKey"class="anchor">§</a><h3class="code-header">impl<T><aclass="trait"href="https://docs.rs/typenum/1.15.0/typenum/type_operators/trait.Same.html"title="trait typenum::type_operators::Same">Same</a><T> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Output"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Output"class="anchor">§</a><h4class="code-header">type <ahref="https://docs.rs/typenum/1.15.0/typenum/type_operators/trait.Same.html#associatedtype.Output"class="associatedtype">Output</a> = T</h4></section></summary><divclass='docblock'>Should always be <code>Self</code></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-TryFrom%3CU%3E-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#775">source</a><ahref="#impl-TryFrom%3CU%3E-for-SessionKey"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T<spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>,</span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error-1"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Error-1"class="anchor">§</a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"class="associatedtype">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/nightly/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="rustdoc-toggle method-toggle"open><summary><sectionid="method.try_from-1"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/88674"title="Tracking issue for const_convert">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#781">source</a></span><ahref="#method.try_from-1"class="anchor">§</a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from"class="fn">try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="associatedtype"href="https://doc.rust-lang.org/nightly/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="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-TryInto%3CU%3E-for-SessionKey"class="impl has-srclink"><aclass="srclink rightside"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#760">source</a><ahref="#impl-TryInto%3CU%3E-for-SessionKey"class="anchor">§</a><h3class="code-header">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.
<ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/struct.WithDispatch.html"title="WithDispatch"><code>WithDispatch</code></a> wrapper. <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.WithSubscriber.html#method.with_subscriber">Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.with_current_subscriber"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.37/src/tracing/instrument.rs.html#221">source</a><ahref="#method.with_current_subscriber"class="anchor">§</a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.37/tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber"class="fn">with_current_subscriber</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.37/tracing/instrument/struct.WithDispatch.html"title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self></h4></section></summary><divclass='docblock'>Attaches the current <ahref="https://docs.rs/tracing/0.1.37/tracing/dispatcher/index.html#setting-the-default-subscriber">default</a><ahref="https://docs.rs/tracing-core/0.1.22/tracing_core/subscriber/trait.Subscriber.html"><code>Subscriber</code></a> to this type, returning a
