<!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="`WWW-Authenticate` header, described in RFC 7235"><metaname="keywords"content="rust, rustlang, rust-lang, WwwAuthenticate"><title>WwwAuthenticate in actix_web_httpauth::headers::www_authenticate - Rust</title><linkrel="stylesheet"type="text/css"href="../../../normalize.css"><linkrel="stylesheet"type="text/css"href="../../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../../../light.css"id="themeStyle"><linkrel="stylesheet"type="text/css"href="../../../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../../../ayu.css"disabled><scriptid="default-settings"></script><scriptsrc="../../../storage.js"></script><scriptsrc="../../../crates.js"></script><noscript><linkrel="stylesheet"href="../../../noscript.css"></noscript><linkrel="alternate icon"type="image/png"href="../../../favicon-16x16.png"><linkrel="alternate icon"type="image/png"href="../../../favicon-32x32.png"><linkrel="icon"type="image/svg+xml"href="../../../favicon.svg"><styletype="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></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="sidebar"><divclass="sidebar-menu"role="button">☰</div><ahref='../../../actix_web_httpauth/index.html'><divclass='logo-container rust-logo'><imgsrc='../../../rust-logo.png'alt='logo'></div></a><h2class="location">Struct WwwAuthenticate</h2><divclass="sidebar-elems"><divclass="block items"><h3class="sidebar-title"><ahref="#fields">Tuple Fields</a></h3><h3class="sidebar-title"><ahref="#trait-implementations">Trait Implementations</a></h3><divclass="sidebar-links"><ahref="#impl-Clone">Clone</a><ahref="#impl-Debug">Debug</a><ahref="#impl-Default">Default</a><ahref="#impl-Eq">Eq</a><ahref="#impl-Hash">Hash</a><ahref="#impl-Header">Header</a><ahref="#impl-IntoHeaderValue">IntoHeaderValue</a><ahref="#impl-Ord">Ord</a><ahref="#impl-PartialEq%3CWwwAuthenticate%3CC%3E%3E">PartialEq<WwwAuthenticate<C>></a><ahref="#impl-PartialOrd%3CWwwAuthenticate%3CC%3E%3E">PartialOrd<WwwAuthenticate<C>></a><ahref="#impl-StructuralEq">StructuralEq</a><ahref="#impl-StructuralPartialEq">StructuralPartialEq</a></div><h3class="sidebar-title"><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><divclass="sidebar-links"><ahref="#impl-RefUnwindSafe">RefUnwindSafe</a><ahref="#impl-Send">Send</a><ahref="#impl-Sync">Sync</a><ahref="#impl-Unpin">Unpin</a><ahref="#impl-UnwindSafe">UnwindSafe</a></div><h3class="sidebar-title"><ahref="#blanket-implementations">Blanket Implementations</a></h3><divclass="sidebar-links"><ahref="#impl-Any">Any</a><ahref="#impl-Borrow%3CT%3E">Borrow<T></a><ahref="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><ahref="#impl-CallHasher">CallHasher</a><ahref="#impl-Equivalent%3CK%3E">Equivalent<K></a><ahref="#impl-From%3CT%3E">From<T></a><ahref="#impl-Instrument">Instrument</a><ahref="#impl-Into%3CU%3E">Into<U></a><ahref="#impl-IntoHeaderPair">IntoHeaderPair</a><ahref="#impl-Same%3CT%3E">Same<T></a><ahref="#impl-ToOwned">ToOwned</a><ahref="#impl-TryFrom%3CU%3E">TryFrom<U></a><ahref="#impl-TryInto%3CU%3E">TryInto<U></a><ahref="#impl-VZip%3CV%3E">VZip<V></a><ahref="#impl-WithSubscriber">WithSubscriber</a></div></div><h2class="location">Other items in<br><ahref="../../index.html">actix_web_httpauth</a>::<wbr><ahref="../index.html">headers</a>::<wbr><ahref="index.html">www_authenticate</a></h2><divid="sidebar-vars"data-name="WwwAuthenticate"data-ty="struct"data-relpath=""></div><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"ari
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.hash_slice"class="method trait-impl has-srclink"><divclass="rightside"><spanclass="since"title="Stable since Rust version 1.3.0">1.3.0</span><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/hash/mod.rs.html#224-226"title="goto source code">[src]</a></div><ahref="#method.hash_slice"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#method.hash_slice"class="fnname">hash_slice</a><H>(data: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">&[Self]</a>, state: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>H) <spanclass="where fmt-newline">where<br> H: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/hash/trait.Hasher.html"title="trait core::hash::Hasher">Hasher</a>, </span></h4></div></summary><divclass='docblock'><p>Feeds a slice of this type into the given <ahref="https://doc.rust-lang.org/nightly/core/hash/trait.Hasher.html"title="Hasher"><code>Hasher</code></a>. <ahref="https://doc.rust-lang.org/nightly/core/hash/trait.Hash.html#method.hash_slice">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-Header"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="../../../src/actix_web_httpauth/headers/www_authenticate/header.rs.html#15-23"title="goto source code">[src]</a></div><ahref="#impl-Header"class="anchor"></a><h3class="code-header in-band">impl<C: <aclass="trait"href="trait.Challenge.html"title="trait actix_web_httpauth::headers::www_authenticate::Challenge">Challenge</a>> Header for <aclass="struct"href="struct.WwwAuthenticate.html"title="struct actix_web_httpauth::headers::www_authenticate::WwwAuthenticate">WwwAuthenticate</a><C></h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.name"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="../../../src/actix_web_httpauth/headers/www_authenticate/header.rs.html#16-18"title="goto source code">[src]</a></div><ahref="#method.name"class="anchor"></a><h4class="code-header">fn <aclass="fnname">name</a>() -><aclass="struct"href="https://docs.rs/http/0.2.5/http/header/name/struct.HeaderName.html"title="struct http::header::name::HeaderName">HeaderName</a></h4></div></summary><divclass='docblock'><p>Returns the name of the header field</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-IntoHeaderValue"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="../../../src/actix_web_httpauth/headers/www_authenticate/header.rs.html#25-31"title="goto source code">[src]</a></div><ahref="#impl-IntoHeaderValue"class="anchor"></a><h3class="code-header in-band">impl<C: <aclass="trait"href="trait.Challenge.html"title="trait actix_web_httpauth::headers::www_authenticate::Challenge">Challenge</a>> IntoHeaderValue for <aclass="struct"href="struct.WwwAuthenticate.html"title="struct actix_web_httpauth::headers::www_authenticate::WwwAuthenticate">WwwAuthenticate</a><C></h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><divid="associatedtype.Error"class="type trait-impl has-srclink"><ahref="#associatedtype.Error"class="anchor"></a><h4class="code-header">type <ahref="#associatedtype.Error"class="type">Error</a> = <C as IntoHeaderValue>::Error</h4></div></summary><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.try_into_value"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="../../../src/actix_web_httpauth/headers/www_authenticate/header.rs.html#28-30"title="goto source code">[src]</a></div><ahref="#method.try_into_value"class="anchor"></a><h4class="code-header">fn <aclass="fnname">try_into_value</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="struct"href="https://docs.rs/http/0.2.5/http/header/value/struct.HeaderValue.html"title="struct http::header::value::HeaderValue">HeaderValue</a>, <Self as IntoHeaderValue>::Error></h4></div></summary><divclass='docblock'><p>Try to convert value to a HeaderValue.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.max"class="method trait-impl has-srclink"><divclass="rightside"><spanclass="since"title="Stable since Rust version 1.21.0">1.21.0</span><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#766-768"title="goto source code">[src]</a></div><ahref="#method.max"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.max"class="fnname">max</a>(self, other: Self) -> Self</h4></div></summary><divclass='docblock'><p>Compares and returns the maximum of two values. <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.max">Read more</a></p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.min"class="method trait-impl has-srclink"><divclass="rightside"><spanclass="since"title="Stable since Rust version 1.21.0">1.21.0</span><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#786-788"title="goto source code">[src]</a></div><ahref="#method.min"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.min"class="fnname">min</a>(self, other: Self) -> Self</h4></div></summary><divclass='docblock'><p>Compares and returns the minimum of two values. <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.min">Read more</a></p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.clamp"class="method trait-impl has-srclink"><divclass="rightside"><spanclass="since"title="Stable since Rust version 1.50.0">1.50.0</span><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#811-813"title="goto source code">[src]</a></div><ahref="#method.clamp"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.clamp"class="fnname">clamp</a>(self, min: Self, max: Self) -> Self</h4></div></summary><divclass='docblock'><p>Restrict a value to a certain interval. <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.Ord.html#method.clamp">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-PartialEq%3CWwwAuthenticate%3CC%3E%3E"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="../../../src/actix_web_httpauth/headers/www_authenticate/header.rs.html#12"title="goto source code">[src]</a></div><ahref="#impl-PartialEq%3CWwwAuthenticate%3CC%3E%3E"class="anchor"></a><h3class="code-header in-band">impl<C: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html"title="trait core::cmp::PartialEq">PartialEq</a> + <aclass="trait"href="trait.Challenge.html"title="trait actix_web_httpauth::headers::www_authenticate::Challenge">Challenge</a>><aclass="trait"href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html"title="trait core::cmp::PartialEq">PartialEq</a><<aclass="struct"href="struct.WwwAuthenticate.html"title="struct actix_web_httpauth::headers::www_authenticate::WwwAuthenticate">WwwAuthenticate</a><C>> for <aclass="struct"href="struct.WwwAuthenticate.html"title="struct actix_web_httpauth::headers::www_authenticate::WwwAuthenticate">WwwAuthenticate</a><C></h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.eq"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="../../../src/actix_web_httpauth/headers/www_authenticate/header.rs.html#12"title="goto source code">[src]</a></div><ahref="#method.eq"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq"class="fnname">eq</a>(&self, other: &<aclass="struct"href="struct.WwwAuthenticate.html"title="struct actix_web_httpauth::headers::www_authenticate::WwwAuthenticate">WwwAuthenticate</a><C>) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></div></summary><divclass='docblock'><p>This method tests for <code>self</code> and <code>other</code> values to be equal, and is used
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.lt"class="method trait-impl has-srclink"><divclass="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#1033"title="goto source code">[src]</a></div><ahref="#method.lt"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.lt"class="fnname">lt</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></div></summary><divclass='docblock'><p>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/nightly/core/cmp/trait.PartialOrd.html#method.lt">Read more</a></p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.le"class="method trait-impl has-srclink"><divclass="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#1052"title="goto source code">[src]</a></div><ahref="#method.le"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.le"class="fnname">le</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></div></summary><divclass='docblock'><p>This method tests less than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code><=</code>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.gt"class="method trait-impl has-srclink"><divclass="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#1074"title="goto source code">[src]</a></div><ahref="#method.gt"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.gt"class="fnname">gt</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></div></summary><divclass='docblock'><p>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/nightly/core/cmp/trait.PartialOrd.html#method.gt">Read more</a></p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.ge"class="method trait-impl has-srclink"><divclass="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#1093"title="goto source code">[src]</a></div><ahref="#method.ge"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialOrd.html#method.ge"class="fnname">ge</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></div></summary><divclass='docblock'><p>This method tests greater than or equal to (for <code>self</code> and <code>other</code>) and is used by the <code>>=</code>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-Instrument"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.29/src/tracing/instrument.rs.html#276"title="goto source code">[src]</a></div><ahref="#impl-Instrument"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://docs.rs/tracing/0.1.29/tracing/instrument/trait.Instrument.html"title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.instrument"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.29/src/tracing/instrument.rs.html#82"title="goto source code">[src]</a></div><ahref="#method.instrument"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.29/tracing/instrument/trait.Instrument.html#method.instrument"class="fnname">instrument</a>(self, span: <aclass="struct"href="https://docs.rs/tracing/0.1.29/tracing/span/struct.Span.html"title="struct tracing::span::Span">Span</a>) -><aclass="struct"href="https://docs.rs/tracing/0.1.29/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></div></summary><divclass='docblock'><p>Instruments this type with the provided <ahref="https://docs.rs/tracing/0.1.29/tracing/span/struct.Span.html"title="Span"><code>Span</code></a>, returning an
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.in_current_span"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.29/src/tracing/instrument.rs.html#121"title="goto source code">[src]</a></div><ahref="#method.in_current_span"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.29/tracing/instrument/trait.Instrument.html#method.in_current_span"class="fnname">in_current_span</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.29/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></div></summary><divclass='docblock'><p>Instruments this type with the <ahref="https://docs.rs/tracing/0.1.29/tracing/span/struct.Span.html#method.current">current</a><ahref="https://docs.rs/tracing/0.1.29/tracing/span/struct.Span.html"><code>Span</code></a>, returning an
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-ToOwned"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#84-96"title="goto source code">[src]</a></div><ahref="#impl-ToOwned"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html"title="trait alloc::borrow::ToOwned">ToOwned</a> for T <spanclass="where fmt-newline">where<br> T: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html"title="trait core::clone::Clone">Clone</a>, </span></h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><divid="associatedtype.Owned"class="type trait-impl has-srclink"><ahref="#associatedtype.Owned"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned"class="type">Owned</a> = T</h4></div></summary><divclass='docblock'><p>The resulting type after obtaining ownership.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.to_owned"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#89"title="goto source code">[src]</a></div><ahref="#method.to_owned"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned"class="fnname">to_owned</a>(&self) -> T</h4></div></summary><divclass='docblock'><p>Creates owned data from borrowed data, usually by cloning. <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.clone_into"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#93"title="goto source code">[src]</a></div><ahref="#method.clone_into"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into"class="fnname">clone_into</a>(&self, target: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</h4></div></summary><divclass="item-info"><divclass="stab unstable"><details><summary><spanclass="emoji">🔬</span> This is a nightly-only experimental API. (<code>toowned_clone_into</code>)</summary><p>recently added</p>
</details></div></div><divclass='docblock'><p>Uses borrowed data to replace owned data, usually by cloning. <ahref="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-TryFrom%3CU%3E"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#583-592"title="goto source code">[src]</a></div><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></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><divid="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="type">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></h4></div></summary><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.try_from"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#589"title="goto source code">[src]</a></div><ahref="#method.try_from"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from"class="fnname">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="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></div></summary><divclass='docblock'><p>Performs the conversion.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-TryInto%3CU%3E"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#569-578"title="goto source code">[src]</a></div><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></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><divid="associatedtype.Error-2"class="type trait-impl has-srclink"><ahref="#associatedtype.Error-2"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error"class="type">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="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></h4></div></summary><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.try_into"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#575"title="goto source code">[src]</a></div><ahref="#method.try_into"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into"class="fnname">try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <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="type"href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></div></summary><divclass='docblock'><p>Performs the conversion.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.with_current_subscriber"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.29/src/tracing/instrument.rs.html#221"title="goto source code">[src]</a></div><ahref="#method.with_current_subscriber"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.29/tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber"class="fnname">with_current_subscriber</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.29/tracing/instrument/struct.WithDispatch.html"title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self></h4></div></summary><divclass='docblock'><p>Attaches the current <ahref="https://docs.rs/tracing/0.1.29/tracing/dispatcher/index.html#setting-the-default-subscriber">default</a><ahref="https://docs.rs/tracing-core/0.1.21/tracing_core/subscriber/trait.Subscriber.html"><code>Subscriber</code></a> to this type, returning a