<!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="Authentication error returned by authentication extractors."><metaname="keywords"content="rust, rustlang, rust-lang, AuthenticationError"><title>AuthenticationError in actix_web_httpauth::extractors - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceSerif4-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../FiraSans-Regular.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../FiraSans-Medium.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceCodePro-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceSerif4-Bold.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceCodePro-Semibold.ttf.woff2"><linkrel="stylesheet"type="text/css"href="../../normalize.css"><linkrel="stylesheet"type="text/css"href="../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../../ayu.css"disabled><linkrel="stylesheet"type="text/css"href="../../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../../light.css"id="themeStyle"><scriptid="default-settings"></script><scriptsrc="../../storage.js"></script><scriptsrc="../../crates.js"></script><scriptdefersrc="../../main.js"></script>
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</a><h2class="location"><ahref="#">AuthenticationError</a></h2><divclass="sidebar-elems"><section><divclass="block"><h3class="sidebar-title"><ahref="#implementations">Methods</a></h3><ul><li><ahref="#method.challenge_mut">challenge_mut</a></li><li><ahref="#method.new">new</a></li><li><ahref="#method.status_code_mut">status_code_mut</a></li><li><ahref="#method.with_error">with_error</a></li><li><ahref="#method.with_error_description">with_error_description</a></li><li><ahref="#method.with_error_uri">with_error_uri</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#trait-implementations">Trait Implementations</a></h3><ul><li><ahref="#impl-Debug">Debug</a></li><li><ahref="#impl-Display">Display</a></li><li><ahref="#impl-Error">Error</a></li><li><ahref="#impl-From%3CT%3E">From<T></a></li><li><ahref="#impl-ResponseError">ResponseError</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><ahref="#impl-RefUnwindSafe">RefUnwindSafe</a></li><li><ahref="#impl-Send">Send</a></li><li><ahref="#impl-Sync">Sync</a></li><li><ahref="#impl-Unpin">Unpin</a></li><li><ahref="#impl-UnwindSafe">UnwindSafe</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#blanket-implementations">Blanket Implementations</a></h3><ul><li><ahref="#impl-Any">Any</a></li><li><ahref="#impl-Borrow%3CT%3E">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT%3E">BorrowMut<T></a></li><li><ahref="#impl-From%3CT%3E-1">From<T></a></li><li><ahref="#impl-Instrument">Instrument</a></li><li><ahref="#impl-Into%3CU%3E">Into<U></a></li><li><ahref="#impl-Same%3CT%3E">Same<T></a></li><li><ahref="#impl-ToString">ToString</a></li><li><ahref="#impl-TryFrom%3CU%3E">TryFrom<U></a></li><li><ahref="#impl-TryInto%3CU%3E">TryInto<U></a></li><li><ahref="#impl-VZip%3CV%3E">VZip<V></a></li><li><ahref="#impl-WithSubscriber">WithSubscriber</a></li></ul></div></section><h2class="location"><ahref="index.html">In actix_web_httpauth::extractors</a></h2><divid="sidebar-vars"data-name="AuthenticationError"data-ty="struct"data-relpath=""></div><scriptdefersrc="sidebar-items.js"></script></div></nav><main><divclass="width-limiter"><divclass="sub-container"><aclass="sub-logo-container"href="../../actix_web_httpauth/index.html"><imgclass="rust-logo"src="../../rust-logo.svg"alt="logo"></a><navclass="sub"><divclass="theme-picker hidden"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"title="themes"><imgwidth="22"height="22"alt="Pick another theme!"src="../../brush.svg"></button><divid="theme-choices"role="menu"></div></div><formclass="search-form"><divclass="search-container"><span></span><inputclass="search-input"name="search"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><buttontype="button"id="help-button"title="help">?</button><aid="settings-menu"href="../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../wheel.svg"></a></div></form></nav></div><sectionid="main-content"class="content"><divclass="main-heading">
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-1"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/errors.rs.html#20-43">source</a></span><ahref="#impl-1"class="anchor"></a><h3class="code-header in-band">impl<C: <aclass="trait"href="../headers/www_authenticate/trait.Challenge.html"title="trait actix_web_httpauth::headers::www_authenticate::Challenge">Challenge</a>><aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.new"class="method has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/errors.rs.html#24-29">source</a></span><ahref="#method.new"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.new"class="fnname">new</a>(challenge: C) -><aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C></h4></section></summary><divclass="docblock"><p>Creates new authentication error from the provided <code>challenge</code>.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-Display"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/errors.rs.html#45-49">source</a></span><ahref="#impl-Display"class="anchor"></a><h3class="code-header in-band">impl<C: <aclass="trait"href="../headers/www_authenticate/trait.Challenge.html"title="trait actix_web_httpauth::headers::www_authenticate::Challenge">Challenge</a>><aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> for <aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt-1"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/errors.rs.html#46-48">source</a></span><ahref="#method.fmt-1"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt"class="fnname">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'><p>Formats the value using the given formatter. <ahref="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html#tymethod.fmt">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-Error"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/errors.rs.html#51">source</a></span><ahref="#impl-Error"class="anchor"></a><h3class="code-header in-band">impl<C: 'static + <aclass="trait"href="../headers/www_authenticate/trait.Challenge.html"title="trait actix_web_httpauth::headers::www_authenticate::Challenge">Challenge</a>><aclass="trait"href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html"title="trait std::error::Error">Error</a> for <aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.source"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="Stable since Rust version 1.30.0">1.30.0</span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/std/error.rs.html#107">source</a></span><ahref="#method.source"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.source"class="fnname">source</a>(&self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"title="enum core::option::Option">Option</a><&(dyn <aclass="trait"href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html"title="trait std::error::Error">Error</a> + 'static)></h4></section></summary><divclass='docblock'><p>The lower-level source of this error, if any. <ahref="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.source">Read more</a></p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.backtrace"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/std/error.rs.html#135">source</a></span><ahref="#method.backtrace"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.backtrace"class="fnname">backtrace</a>(&self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"title="enum core::option::Option">Option</a><&<aclass="struct"href="https://doc.rust-lang.org/nightly/std/backtrace/struct.Backtrace.html"title="struct std::backtrace::Backtrace">Backtrace</a>></h4></section></summary><divclass="item-info"><divclass="stab unstable"><spanclass="emoji">🔬</span> This is a nightly-only experimental API. (<code>backtrace</code>)</div></div><divclass='docblock'><p>Returns a stack backtrace, if available, of where this error occurred. <ahref="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.backtrace">Read more</a></p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.description"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/std/error.rs.html#147">source</a></span><ahref="#method.description"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.description"class="fnname">description</a>(&self) ->&<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a></h4></section></summary><divclass="item-info"><divclass="stab deprecated"><spanclass="emoji">👎</span> Deprecated since 1.42.0: <p>use the Display impl or to_string()</p>
</div></div><divclass='docblock'><ahref="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.description">Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.cause"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/std/error.rs.html#157">source</a></span><ahref="#method.cause"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/std/error/trait.Error.html#method.cause"class="fnname">cause</a>(&self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html"title="enum core::option::Option">Option</a><&dyn <aclass="trait"href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html"title="trait std::error::Error">Error</a>></h4></section></summary><divclass="item-info"><divclass="stab deprecated"><spanclass="emoji">👎</span> Deprecated since 1.33.0: <p>replaced by Error::source, which can support downcasting</p>
</div></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-From%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/config.rs.html#16-23">source</a></span><ahref="#impl-From%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for <aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><<T as <aclass="trait"href="trait.AuthExtractorConfig.html"title="trait actix_web_httpauth::extractors::AuthExtractorConfig">AuthExtractorConfig</a>>::<aclass="associatedtype"href="trait.AuthExtractorConfig.html#associatedtype.Inner"title="type actix_web_httpauth::extractors::AuthExtractorConfig::Inner">Inner</a>><spanclass="where fmt-newline">where<br> T: <aclass="trait"href="trait.AuthExtractorConfig.html"title="trait actix_web_httpauth::extractors::AuthExtractorConfig">AuthExtractorConfig</a>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.from"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/config.rs.html#20-22">source</a></span><ahref="#method.from"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from"class="fnname">from</a>(config: T) -> Self</h4></section></summary><divclass='docblock'><p>Performs the conversion.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><sectionid="impl-ResponseError"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/errors.rs.html#53-64">source</a></span><ahref="#impl-ResponseError"class="anchor"></a><h3class="code-header in-band">impl<C: 'static + <aclass="trait"href="../headers/www_authenticate/trait.Challenge.html"title="trait actix_web_httpauth::headers::www_authenticate::Challenge">Challenge</a>> ResponseError for <aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.error_response"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/errors.rs.html#54-59">source</a></span><ahref="#method.error_response"class="anchor"></a><h4class="code-header">fn <ahref="#method.error_response"class="fnname">error_response</a>(&self) -> HttpResponse</h4></section></summary><divclass='docblock'><p>Creates full response for error. <ahref="#method.error_response">Read more</a></p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.status_code"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="../../src/actix_web_httpauth/extractors/errors.rs.html#61-63">source</a></span><ahref="#method.status_code"class="anchor"></a><h4class="code-header">fn <ahref="#method.status_code"class="fnname">status_code</a>(&self) -><aclass="struct"href="https://docs.rs/http/0.2.6/http/status/struct.StatusCode.html"title="struct http::status::StatusCode">StatusCode</a></h4></section></summary><divclass='docblock'><p>Returns appropriate status code for error. <ahref="#method.status_code">Read more</a></p>
</div></details></div></details></div><h2id="synthetic-implementations"class="small-section-header">Auto Trait Implementations<ahref="#synthetic-implementations"class="anchor"></a></h2><divid="synthetic-implementations-list"><sectionid="impl-RefUnwindSafe"class="impl has-srclink"><ahref="#impl-RefUnwindSafe"class="anchor"></a><h3class="code-header in-band">impl<C><aclass="trait"href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html"title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C><spanclass="where fmt-newline">where<br> C: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html"title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>, </span></h3></section><sectionid="impl-Send"class="impl has-srclink"><ahref="#impl-Send"class="anchor"></a><h3class="code-header in-band">impl<C><aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html"title="trait core::marker::Send">Send</a> for <aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C></h3></section><sectionid="impl-Sync"class="impl has-srclink"><ahref="#impl-Sync"class="anchor"></a><h3class="code-header in-band">impl<C><aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html"title="trait core::marker::Sync">Sync</a> for <aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C></h3></section><sectionid="impl-Unpin"class="impl has-srclink"><ahref="#impl-Unpin"class="anchor"></a><h3class="code-header in-band">impl<C><aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html"title="trait core::marker::Unpin">Unpin</a> for <aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C><spanclass="where fmt-newline">where<br> C: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html"title="trait core::marker::Unpin">Unpin</a>, </span></h3></section><sectionid="impl-UnwindSafe"class="impl has-srclink"><ahref="#impl-UnwindSafe"class="anchor"></a><h3class="code-header in-band">impl<C><aclass="trait"href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html"title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <aclass="struct"href="struct.AuthenticationError.html"title="struct actix_web_httpauth::extractors::AuthenticationError">AuthenticationError</a><C><spanclass="where fmt-newline">where<br> C: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html"title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>, </span></h3></section></div><h2id="blanket-implementations"class="small-section-header">Blanket Implementations<ahref="#blanket-implementations"class="anchor"></a></h2><divid="blanket-implementations-list"><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Any"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132-136">source</a></span><ahref="#impl-Any"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html"title="trait core::any::Any">Any</a> for T <spanclass="where fmt-newline">where<br> T: 'static + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="traitcore::ma
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Borrow%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209-214">source</a></span><ahref="#impl-Borrow%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html"title="trait core::borrow::Borrow">Borrow</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.borrow"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/91522"title="Tracking issue for const_borrow">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211">source</a></span><ahref="#method.borrow"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow"class="fnname">borrow</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</h4></section></summary><divclass='docblock'><p>Immutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-BorrowMut%3CT%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218-222">source</a></span><ahref="#impl-BorrowMut%3CT%3E"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html"title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T <spanclass="where fmt-newline">where<br> T: ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.borrow_mut"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/91522"title="Tracking issue for const_borrow">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219">source</a></span><ahref="#method.borrow_mut"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut"class="fnname">borrow_mut</a>(&mut self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</h4></section></summary><divclass='docblock'><p>Mutably borrows from an owned value. <ahref="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-From%3CT%3E-1"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#554-559">source</a></span><ahref="#impl-From%3CT%3E-1"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.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#556">source</a></span><ahref="#method.from-1"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from"class="fnname">from</a>(t: T) -> T</h4></section></summary><divclass="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Instrument"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.32/src/tracing/instrument.rs.html#276">source</a></span><ahref="#impl-Instrument"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://docs.rs/tracing/0.1.32/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"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.32/src/tracing/instrument.rs.html#82">source</a></span><ahref="#method.instrument"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.32/tracing/instrument/trait.Instrument.html#method.instrument"class="fnname">instrument</a>(self, span: <aclass="struct"href="https://docs.rs/tracing/0.1.32/tracing/span/struct.Span.html"title="struct tracing::span::Span">Span</a>) -><aclass="struct"href="https://docs.rs/tracing/0.1.32/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'><p>Instruments this type with the provided <ahref="https://docs.rs/tracing/0.1.32/tracing/span/struct.Span.html"title="Span"><code>Span</code></a>, returning an
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.in_current_span"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.32/src/tracing/instrument.rs.html#121">source</a></span><ahref="#method.in_current_span"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.32/tracing/instrument/trait.Instrument.html#method.in_current_span"class="fnname">in_current_span</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.32/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'><p>Instruments this type with the <ahref="https://docs.rs/tracing/0.1.32/tracing/span/struct.Span.html#method.current">current</a><ahref="https://docs.rs/tracing/0.1.32/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"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/typenum/1.15.0/src/typenum/type_operators.rs.html#34-36">source</a></span><ahref="#impl-Same%3CT%3E"class="anchor"></a><h3class="code-header in-band">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="type 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'><p>Should always be <code>Self</code></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-ToString"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2395-2409">source</a></span><ahref="#impl-ToString"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html"title="trait alloc::string::ToString">ToString</a> for T <spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> + ?<aclass="trait"href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.to_string"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2401">source</a></span><ahref="#method.to_string"class="anchor"></a><h4class="code-header">default fn <ahref="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string"class="fnname">to_string</a>(&self) -><aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html"title="struct alloc::string::String">String</a></h4></section></summary><divclass='docblock'><p>Converts the given value to a <code>String</code>. <ahref="https://doc.rust-lang.org/nightly/alloc/string/trait.ToString.html#tymethod.to_string">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-TryFrom%3CU%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#595-604">source</a></span><ahref="#impl-TryFrom%3CU%3E"class="anchor"></a><h3class="code-header in-band">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="type 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'><p>The type returned in the event of a conversion error.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-TryInto%3CU%3E"class="impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#580-589">source</a></span><ahref="#impl-TryInto%3CU%3E"class="anchor"></a><h3class="code-header in-band">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>, </span></h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Error"class="type trait-impl has-srclink"><ahref="#associatedtype.Error"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error"class="associatedtype">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<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'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.with_current_subscriber"class="method trait-impl has-srclink"><spanclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.32/src/tracing/instrument.rs.html#221">source</a></span><ahref="#method.with_current_subscriber"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.32/tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber"class="fnname">with_current_subscriber</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.32/tracing/instrument/struct.WithDispatch.html"title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self></h4></section></summary><divclass='docblock'><p>Attaches the current <ahref="https://docs.rs/tracing/0.1.32/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
