<!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="Errors that can occur when processing CORS guarded requests."><metaname="keywords"content="rust, rustlang, rust-lang, CorsError"><title>CorsError in actix_cors - 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="shortcut icon"href="https://actix.rs/favicon.ico"><styletype="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><bodyclass="rustdoc enum"><!--[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_cors/index.html'><divclass='logo-container rust-logo'><imgsrc='https://actix.rs/img/logo.png'alt='logo'></div></a><h2class="location">Enum CorsError</h2><divclass="sidebar-elems"><divclass="block items"><h3class="sidebar-title"><ahref="#variants">Variants</a></h3><divclass="sidebar-links"><ahref="#variant.BadRequestHeaders">BadRequestHeaders</a><ahref="#variant.BadRequestMethod">BadRequestMethod</a><ahref="#variant.HeadersNotAllowed">HeadersNotAllowed</a><ahref="#variant.MethodNotAllowed">MethodNotAllowed</a><ahref="#variant.MissingOrigin">MissingOrigin</a><ahref="#variant.MissingRequestMethod">MissingRequestMethod</a><ahref="#variant.OriginNotAllowed">OriginNotAllowed</a><ahref="#variant.WildcardOrigin">WildcardOrigin</a></div><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-Display">Display</a><ahref="#impl-Error">Error</a><ahref="#impl-ResponseError">ResponseError</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-From%3CT%3E">From<T></a><ahref="#impl-Instrument">Instrument</a><ahref="#impl-Into%3CU%3E">Into<U></a><ahref="#impl-Same%3CT%3E">Same<T></a><ahref="#impl-ToOwned">ToOwned</a><ahref="#impl-ToString">ToString</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_cors</a></h2><divid="sidebar-vars"data-name="CorsError"data-ty="enum"data-relpath=""></div><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"title="themes"><imgwidth="18"height="18"alt="Pick another theme!"src="../brush.svg"></button><divid="theme-choices"role="menu"></div></div><navclass="sub"><formclass="search-form"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"
}</code></pre></div><detailsclass="rustdoc-toggle top-doc"open><summaryclass="hideme"><span>Expand description</span></summary><divclass="docblock"><p>Errors that can occur when processing CORS guarded requests.</p>
</div></details><h2id="variants"class="variants small-section-header">Variants (Non-exhaustive)<ahref="#variants"class="anchor"></a></h2><detailsclass="rustdoc-toggle non-exhaustive"><summaryclass="hideme"><span>This enum is marked as non-exhaustive</span></summary><divclass="docblock">Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.</div></details><divid="variant.WildcardOrigin"class="variant small-section-header"><ahref="#variant.WildcardOrigin"class="anchor field"></a><code>WildcardOrigin</code></div><divclass="docblock"><p>Allowed origin argument must not be wildcard (<code>*</code>).</p>
</div><divid="variant.MissingOrigin"class="variant small-section-header"><ahref="#variant.MissingOrigin"class="anchor field"></a><code>MissingOrigin</code></div><divclass="docblock"><p>Request header <code>Origin</code> is required but was not provided.</p>
</div><divid="variant.MissingRequestMethod"class="variant small-section-header"><ahref="#variant.MissingRequestMethod"class="anchor field"></a><code>MissingRequestMethod</code></div><divclass="docblock"><p>Request header <code>Access-Control-Request-Method</code> is required but is missing.</p>
</div><divid="variant.BadRequestMethod"class="variant small-section-header"><ahref="#variant.BadRequestMethod"class="anchor field"></a><code>BadRequestMethod</code></div><divclass="docblock"><p>Request header <code>Access-Control-Request-Method</code> has an invalid value.</p>
</div><divid="variant.BadRequestHeaders"class="variant small-section-header"><ahref="#variant.BadRequestHeaders"class="anchor field"></a><code>BadRequestHeaders</code></div><divclass="docblock"><p>Request header <code>Access-Control-Request-Headers</code> has an invalid value.</p>
</div><divid="variant.OriginNotAllowed"class="variant small-section-header"><ahref="#variant.OriginNotAllowed"class="anchor field"></a><code>OriginNotAllowed</code></div><divclass="docblock"><p>Origin is not allowed to make this request.</p>
</div><divid="variant.MethodNotAllowed"class="variant small-section-header"><ahref="#variant.MethodNotAllowed"class="anchor field"></a><code>MethodNotAllowed</code></div><divclass="docblock"><p>Request method is not allowed.</p>
</div><divid="variant.HeadersNotAllowed"class="variant small-section-header"><ahref="#variant.HeadersNotAllowed"class="anchor field"></a><code>HeadersNotAllowed</code></div><divclass="docblock"><p>One or more request headers are not allowed.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-Error"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="../src/actix_cors/error.rs.html#6"title="goto source code">[src]</a></div><ahref="#impl-Error"class="anchor"></a><h3class="code-header in-band">impl <aclass="trait"href="https://doc.rust-lang.org/nightly/std/error/trait.Error.html"title="trait std::error::Error">Error</a> for <aclass="enum"href="enum.CorsError.html"title="enum actix_cors::CorsError">CorsError</a></h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.source"class="method trait-impl has-srclink"><divclass="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"title="goto source code">[src]</a></div><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></div></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><divid="method.backtrace"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/std/error.rs.html#135"title="goto source code">[src]</a></div><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></div></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><divid="method.description"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/std/error.rs.html#147"title="goto source code">[src]</a></div><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></div></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><divid="method.cause"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/std/error.rs.html#157"title="goto source code">[src]</a></div><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></div></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><divid="impl-ResponseError"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="../src/actix_cors/error.rs.html#42-50"title="goto source code">[src]</a></div><ahref="#impl-ResponseError"class="anchor"></a><h3class="code-header in-band">impl ResponseError for <aclass="enum"href="enum.CorsError.html"title="enum actix_cors::CorsError">CorsError</a></h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.status_code"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="../src/actix_cors/error.rs.html#43-45"title="goto source code">[src]</a></div><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/0.2.5/http/status/struct.StatusCode.html"title="struct http::status::StatusCode">StatusCode</a></h4></div></summary><divclass='docblock'><p>Returns appropriate status code for error. <ahref="#method.status_code">Read more</a></p>
</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-ToString"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2383-2397"title="goto source code">[src]</a></div><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></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.to_string"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/nightly/src/alloc/string.rs.html#2389"title="goto source code">[src]</a></div><ahref="#method.to_string"class="anchor"></a><h4class="code-header">pub 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></div></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"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#585-594"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"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.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#591"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#571-580"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-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.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#577"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
