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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Builder for CORS middleware."><meta name="keywords" content="rust, rustlang, rust-lang, Cors"><title>Cors in actix_cors - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../ayu.css" disabled ><script id="default-settings" ></script><script src="../storage.js"></script><script src="../crates.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="shortcut icon" href="https:&#x2F;&#x2F;actix.rs&#x2F;favicon.ico"><style type="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">&#9776;</div><a href='../actix_cors/index.html'><div class='logo-container rust-logo'><img src='https:&#x2F;&#x2F;actix.rs&#x2F;img&#x2F;logo.png' alt='logo'></div></a><p class="location">Struct Cors</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.allow_any_header">allow_any_header</a><a href="#method.allow_any_method">allow_any_method</a><a href="#method.allow_any_origin">allow_any_origin</a><a href="#method.allowed_header">allowed_header</a><a href="#method.allowed_headers">allowed_headers</a><a href="#method.allowed_methods">allowed_methods</a><a href="#method.allowed_origin">allowed_origin</a><a href="#method.allowed_origin_fn">allowed_origin_fn</a><a href="#method.disable_preflight">disable_preflight</a><a href="#method.disable_vary_header">disable_vary_header</a><a href="#method.expose_any_header">expose_any_header</a><a href="#method.expose_headers">expose_headers</a><a href="#method.max_age">max_age</a><a href="#method.permissive">permissive</a><a href="#method.send_wildcard">send_wildcard</a><a href="#method.supports_credentials">supports_credentials</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Default">Default</a><a href="#impl-Transform%3CS%2C%20ServiceRequest%3E">Transform&lt;S, ServiceRequest&gt;</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">!RefUnwindSafe</a><a href="#impl-Send">!Send</a><a href="#impl-Sync">!Sync</a><a href="#impl-Unpin">Unpin</a><a href="#impl-UnwindSafe">!UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a><a href="#impl-From%3CT%3E">From&lt;T&gt;</a><a href="#impl-Instrument">Instrument</a><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a><a href="#impl-Same%3CT%3E">Same&lt;T&gt;</a><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a><a href="#impl-VZip%3CV%3E">VZip&lt;V&gt;</a></div></div><p class="location">Other items in<br><a href="index.html">actix_cors</a></p><div id="sidebar-vars" data-name="Cors" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../brush.svg"></button><div id="theme-choices" role="menu"></div></div><nav class="sub">
<p>To construct a CORS middleware, call <a href="struct.Cors.html#method.default" title="Cors::default()"><code>Cors::default()</code></a> to create a blank, restrictive builder.
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Then use any of the builder methods to customize CORS behavior.</p>
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<p>The alternative <a href="struct.Cors.html#method.permissive" title="Cors::permissive()"><code>Cors::permissive()</code></a> constructor is available for local development, allowing
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all origins and headers, etc. <strong>The permissive constructor should not be used in production.</strong></p>
<h1 id="errors" class="section-header"><a href="#errors">Errors</a></h1>
<p>Errors surface in the middleware initialization phase. This means that, if you have logs enabled
in Actix Web (using <code>env_logger</code> or other crate that exposes logs from the <code>log</code> crate), error
messages will outline what is wrong with the CORS configuration in the server logs and the
server will fail to start up or serve requests.</p>
<h1 id="example" class="section-header"><a href="#example">Example</a></h1>
<div class="example-wrap"><pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">actix_cors::Cors</span>;
<span class="kw">use</span> <span class="ident">actix_web::http::header</span>;
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<span class="kw">let</span> <span class="ident">cors</span> <span class="op">=</span> <span class="ident">Cors::default</span>()
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.<span class="ident">allowed_origin</span>(<span class="string">&quot;https://www.rust-lang.org&quot;</span>)
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.<span class="ident">allowed_methods</span>(<span class="macro">vec!</span>[<span class="string">&quot;GET&quot;</span>, <span class="string">&quot;POST&quot;</span>])
.<span class="ident">allowed_headers</span>(<span class="macro">vec!</span>[<span class="ident">header::AUTHORIZATION</span>, <span class="ident">header::ACCEPT</span>])
.<span class="ident">allowed_header</span>(<span class="ident">header::CONTENT_TYPE</span>)
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.<span class="ident">max_age</span>(<span class="number">3600</span>);
<span class="comment">// `cors` can now be used in `App::wrap`.</span></pre></div>
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</div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#77-451" title="goto source code">[src]</a></div><a href="#impl" class="anchor"></a><code class="in-band">impl <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.permissive" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#82-106" title="goto source code">[src]</a></div><a href="#method.permissive" class="anchor"></a><code>pub fn <a href="#method.permissive" class="fnname">permissive</a>() -&gt; Self</code></div></summary><div class="docblock"><p>A very permissive set of default for quick development. Not recommended for production use.</p>
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<p><em>All</em> origins, methods, request headers and exposed headers allowed. Credentials supported.
Max age 1 hour. Does not send wildcard.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.allow_any_origin" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#111-117" title="goto source code">[src]</a></div><a href="#method.allow_any_origin" class="anchor"></a><code>pub fn <a href="#method.allow_any_origin" class="fnname">allow_any_origin</a>(self) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Resets allowed origin list to a state where any origin is accepted.</p>
<p>See <a href="struct.Cors.html#method.allowed_origin" title="Cors::allowed_origin"><code>Cors::allowed_origin</code></a> for more info on allowed origins.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.allowed_origin" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#143-171" title="goto source code">[src]</a></div><a href="#method.allowed_origin" class="anchor"></a><code>pub fn <a href="#method.allowed_origin" class="fnname">allowed_origin</a>(self, origin: &amp;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Add an origin that is allowed to make requests.</p>
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<p>By default, requests from all origins are accepted by CORS logic. This method allows to
specify a finite set of origins to verify the value of the <code>Origin</code> request header.</p>
<p>These are <code>origin-or-null</code> types in the <a href="https://fetch.spec.whatwg.org/#origin-header">Fetch Standard</a>.</p>
<p>When this list is set, the client’s <code>Origin</code> request header will be checked in a
case-sensitive manner.</p>
<p>When all origins are allowed and <code>send_wildcard</code> is set, <code>*</code> will be sent in the
<code>Access-Control-Allow-Origin</code> response header. If <code>send_wildcard</code> is not set, the client’s
<code>Origin</code> request header will be echoed back in the <code>Access-Control-Allow-Origin</code>
response header.</p>
<p>If the origin of the request doesn’t match any allowed origins and at least one
<code>allowed_origin_fn</code> function is set, these functions will be used to determinate
allowed origins.</p>
<h1 id="initialization-errors" class="section-header"><a href="#initialization-errors">Initialization Errors</a></h1>
<ul>
<li>If supplied origin is not valid uri</li>
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<li>If supplied origin is a wildcard (<code>*</code>). <a href="struct.Cors.html#method.send_wildcard" title="Cors::send_wildcard"><code>Cors::send_wildcard</code></a> should be used instead.</li>
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</ul>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.allowed_origin_fn" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#181-192" title="goto source code">[src]</a></div><a href="#method.allowed_origin_fn" class="anchor"></a><code>pub fn <a href="#method.allowed_origin_fn" class="fnname">allowed_origin_fn</a>&lt;F&gt;(self, f: F) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.Fn.html" title="trait core::ops::function::Fn">Fn</a>(&amp;<a class="struct" href="https://docs.rs/http/0.2.4/http/header/value/struct.HeaderValue.html" title="struct http::header::value::HeaderValue">HeaderValue</a>, &amp;RequestHead) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> + 'static,&nbsp;</span></code></div></summary><div class="docblock"><p>Determinate allowed origins by processing requests which didn’t match any origins specified
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in the <code>allowed_origin</code>.</p>
<p>The function will receive two parameters, the Origin header value, and the <code>RequestHead</code> of
each request, which can be used to determine whether to allow the request or not.</p>
<p>If the function returns <code>true</code>, the client’s <code>Origin</code> request header will be echoed back
into the <code>Access-Control-Allow-Origin</code> response header.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.allow_any_method" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#197-203" title="goto source code">[src]</a></div><a href="#method.allow_any_method" class="anchor"></a><code>pub fn <a href="#method.allow_any_method" class="fnname">allow_any_method</a>(self) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Resets allowed methods list to all methods.</p>
<p>See <a href="struct.Cors.html#method.allowed_methods" title="Cors::allowed_methods"><code>Cors::allowed_methods</code></a> for more info on allowed methods.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.allowed_methods" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#213-235" title="goto source code">[src]</a></div><a href="#method.allowed_methods" class="anchor"></a><code>pub fn <a href="#method.allowed_methods" class="fnname">allowed_methods</a>&lt;U, M&gt;(self, methods: U) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&lt;Item = M&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;M: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/method/struct.Method.html" title="struct http::method::Method">Method</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;M as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/method/struct.Method.html" title="struct http::method::Method">Method</a>&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" title="type core::convert::TryInto::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/error/struct.Error.html" title="struct http::error::Error">HttpError</a>&gt;,&nbsp;</span></code></div></summary><div class="docblock"><p>Set a list of methods which allowed origins can perform.</p>
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<p>These will be sent in the <code>Access-Control-Allow-Methods</code> response header as specified in
the <a href="https://fetch.spec.whatwg.org/#http-cors-protocol">Fetch Standard CORS protocol</a>.</p>
<p>Defaults to <code>[GET, HEAD, POST, OPTIONS, PUT, PATCH, DELETE]</code></p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.allow_any_header" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#240-246" title="goto source code">[src]</a></div><a href="#method.allow_any_header" class="anchor"></a><code>pub fn <a href="#method.allow_any_header" class="fnname">allow_any_header</a>(self) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Resets allowed request header list to a state where any header is accepted.</p>
<p>See <a href="struct.Cors.html#method.allowed_headers" title="Cors::allowed_headers"><code>Cors::allowed_headers</code></a> for more info on allowed request headers.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.allowed_header" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#251-274" title="goto source code">[src]</a></div><a href="#method.allowed_header" class="anchor"></a><code>pub fn <a href="#method.allowed_header" class="fnname">allowed_header</a>&lt;H&gt;(self, header: H) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;H: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/header/name/struct.HeaderName.html" title="struct http::header::name::HeaderName">HeaderName</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;H as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/header/name/struct.HeaderName.html" title="struct http::header::name::HeaderName">HeaderName</a>&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" title="type core::convert::TryInto::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/error/struct.Error.html" title="struct http::error::Error">HttpError</a>&gt;,&nbsp;</span></code></div></summary><div class="docblock"><p>Add an allowed request header.</p>
<p>See <a href="struct.Cors.html#method.allowed_headers" title="Cors::allowed_headers"><code>Cors::allowed_headers</code></a> for more info on allowed request headers.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.allowed_headers" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#286-314" title="goto source code">[src]</a></div><a href="#method.allowed_headers" class="anchor"></a><code>pub fn <a href="#method.allowed_headers" class="fnname">allowed_headers</a>&lt;U, H&gt;(self, headers: U) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&lt;Item = H&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;H: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/header/name/struct.HeaderName.html" title="struct http::header::name::HeaderName">HeaderName</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;H as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/header/name/struct.HeaderName.html" title="struct http::header::name::HeaderName">HeaderName</a>&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" title="type core::convert::TryInto::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/error/struct.Error.html" title="struct http::error::Error">HttpError</a>&gt;,&nbsp;</span></code></div></summary><div class="docblock"><p>Set a list of request header field names which can be used when this resource is accessed by
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allowed origins.</p>
<p>If <code>All</code> is set, whatever is requested by the client in <code>Access-Control-Request-Headers</code>
will be echoed back in the <code>Access-Control-Allow-Headers</code> header as specified in
the <a href="https://fetch.spec.whatwg.org/#http-cors-protocol">Fetch Standard CORS protocol</a>.</p>
<p>Defaults to <code>All</code>.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.expose_any_header" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#319-325" title="goto source code">[src]</a></div><a href="#method.expose_any_header" class="anchor"></a><code>pub fn <a href="#method.expose_any_header" class="fnname">expose_any_header</a>(self) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Resets exposed response header list to a state where any header is accepted.</p>
<p>See <a href="struct.Cors.html#method.expose_headers" title="Cors::expose_headers"><code>Cors::expose_headers</code></a> for more info on exposed response headers.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.expose_headers" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#334-361" title="goto source code">[src]</a></div><a href="#method.expose_headers" class="anchor"></a><code>pub fn <a href="#method.expose_headers" class="fnname">expose_headers</a>&lt;U, H&gt;(self, headers: U) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&lt;Item = H&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;H: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/header/name/struct.HeaderName.html" title="struct http::header::name::HeaderName">HeaderName</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;H as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/header/name/struct.HeaderName.html" title="struct http::header::name::HeaderName">HeaderName</a>&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" title="type core::convert::TryInto::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="struct" href="https://docs.rs/http/0.2.4/http/error/struct.Error.html" title="struct http::error::Error">HttpError</a>&gt;,&nbsp;</span></code></div></summary><div class="docblock"><p>Set a list of headers which are safe to expose to the API of a CORS API specification.
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This corresponds to the <code>Access-Control-Expose-Headers</code> response header as specified in
the <a href="https://fetch.spec.whatwg.org/#http-cors-protocol">Fetch Standard CORS protocol</a>.</p>
<p>This defaults to an empty set.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.max_age" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#370-376" title="goto source code">[src]</a></div><a href="#method.max_age" class="anchor"></a><code>pub fn <a href="#method.max_age" class="fnname">max_age</a>(self, max_age: impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;&gt;) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Set a maximum time (in seconds) for which this CORS request maybe cached.
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This value is set as the <code>Access-Control-Max-Age</code> header as specified in
the <a href="https://fetch.spec.whatwg.org/#http-cors-protocol">Fetch Standard CORS protocol</a>.</p>
<p>Pass a number (of seconds) or use None to disable sending max age header.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.send_wildcard" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#389-395" title="goto source code">[src]</a></div><a href="#method.send_wildcard" class="anchor"></a><code>pub fn <a href="#method.send_wildcard" class="fnname">send_wildcard</a>(self) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Set to use wildcard origins.</p>
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<p>If send wildcard is set and the <code>allowed_origins</code> parameter is <code>All</code>, a wildcard
<code>Access-Control-Allow-Origin</code> response header is sent, rather than the request’s
<code>Origin</code> header.</p>
<p>This <strong>CANNOT</strong> be used in conjunction with <code>allowed_origins</code> set to <code>All</code> and
<code>allow_credentials</code> set to <code>true</code>. Depending on the mode of usage, this will either result
in an <code>CorsError::CredentialsWithWildcardOrigin</code> error during actix launch or runtime.</p>
<p>Defaults to <code>false</code>.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.supports_credentials" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#412-418" title="goto source code">[src]</a></div><a href="#method.supports_credentials" class="anchor"></a><code>pub fn <a href="#method.supports_credentials" class="fnname">supports_credentials</a>(self) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Allows users to make authenticated requests</p>
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<p>If true, injects the <code>Access-Control-Allow-Credentials</code> header in responses. This allows
cookies and credentials to be submitted across domains as specified in
the <a href="https://fetch.spec.whatwg.org/#http-cors-protocol">Fetch Standard CORS protocol</a>.</p>
<p>This option cannot be used in conjunction with an <code>allowed_origin</code> set to <code>All</code> and
<code>send_wildcards</code> set to <code>true</code>.</p>
<p>Defaults to <code>false</code>.</p>
<p>A server initialization error will occur if credentials are allowed, but the Origin is set
to send wildcards (<code>*</code>); this is not allowed by the CORS protocol.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.disable_vary_header" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#430-436" title="goto source code">[src]</a></div><a href="#method.disable_vary_header" class="anchor"></a><code>pub fn <a href="#method.disable_vary_header" class="fnname">disable_vary_header</a>(self) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Disable <code>Vary</code> header support.</p>
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<p>When enabled the header <code>Vary: Origin</code> will be returned as per the Fetch Standard
implementation guidelines.</p>
<p>Setting this header when the <code>Access-Control-Allow-Origin</code> is dynamically generated
(eg. when there is more than one allowed origin, and an Origin other than ‘*’ is returned)
informs CDNs and other caches that the CORS headers are dynamic, and cannot be cached.</p>
<p>By default, <code>Vary</code> header support is enabled.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.disable_preflight" class="method has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#444-450" title="goto source code">[src]</a></div><a href="#method.disable_preflight" class="anchor"></a><code>pub fn <a href="#method.disable_preflight" class="fnname">disable_preflight</a>(self) -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>Disable support for preflight requests.</p>
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<p>When enabled CORS middleware automatically handles <code>OPTIONS</code> requests.
This is useful for application level middleware.</p>
<p>By default <em>preflight</em> support is enabled.</p>
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</div></details></div></details><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Debug" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#71" title="goto source code">[src]</a></div><a href="#impl-Debug" class="anchor"></a><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.fmt" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#71" title="goto source code">[src]</a></div><a href="#method.fmt" class="anchor"></a><code>fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></div></summary><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Default" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#453-484" title="goto source code">[src]</a></div><a href="#impl-Default" class="anchor"></a><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.default" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#458-483" title="goto source code">[src]</a></div><a href="#method.default" class="anchor"></a><code>fn <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default" class="fnname">default</a>() -&gt; <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></summary><div class="docblock"><p>A restrictive (security paranoid) set of defaults.</p>
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<p><em>No</em> allowed origins, methods, request headers or exposed headers. Credentials
not supported. No max age (will use browser’s default).</p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Transform%3CS%2C%20ServiceRequest%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#486-545" title="goto source code">[src]</a></div><a href="#impl-Transform%3CS%2C%20ServiceRequest%3E" class="anchor"></a><code class="in-band">impl&lt;S&gt; Transform&lt;S, ServiceRequest&gt; for <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;S: Service&lt;ServiceRequest, Response = ServiceResponse, Error = Error&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;S::Future: 'static,&nbsp;</span></code></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Response" class="type trait-impl has-srclink"><a href="#associatedtype.Response" class="anchor"></a><code>type <a href="#associatedtype.Response" class="type">Response</a> = ServiceResponse</code></div></summary><div class='docblock'><p>Responses produced by the service.</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="associatedtype.Error" class="type trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><code>type <a href="#associatedtype.Error" class="type">Error</a> = Error</code></div></summary><div class='docblock'><p>Errors produced by the service.</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="associatedtype.InitError" class="type trait-impl has-srclink"><a href="#associatedtype.InitError" class="anchor"></a><code>type <a href="#associatedtype.InitError" class="type">InitError</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a></code></div></summary><div class='docblock'><p>Errors produced while building a transform service.</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="associatedtype.Transform" class="type trait-impl has-srclink"><a href="#associatedtype.Transform" class="anchor"></a><code>type <a href="#associatedtype.Transform" class="type">Transform</a> = CorsMiddleware&lt;S&gt;</code></div></summary><div class='docblock'><p>The <code>TransformService</code> value created by this factory</p>
</div></details><details class="rustdoc-toggle" open><summary><div id="associatedtype.Future" class="type trait-impl has-srclink"><a href="#associatedtype.Future" class="anchor"></a><code>type <a href="#associatedtype.Future" class="type">Future</a> = Ready&lt;Result&lt;Self::Transform, Self::InitError&gt;&gt;</code></div></summary><div class='docblock'><p>The future response value.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.new_transform" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="../src/actix_cors/builder.rs.html#497-544" title="goto source code">[src]</a></div><a href="#method.new_transform" class="anchor"></a><code>fn <a href="#tymethod.new_transform" class="fnname">new_transform</a>(&amp;self, service: S) -&gt; Self::Future</code></div></summary><div class='docblock'><p>Creates and returns a new Transform component, asynchronously</p>
</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><div id="impl-RefUnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-RefUnwindSafe" class="anchor"></a><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div><div id="impl-Send" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Send" class="anchor"></a><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div><div id="impl-Sync" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Sync" class="anchor"></a><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div><div id="impl-Unpin" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Unpin" class="anchor"></a><code class="in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div><div id="impl-UnwindSafe" class="impl has-srclink"><div class="rightside"></div><a href="#impl-UnwindSafe" class="anchor"></a><code class="in-band">impl !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.Cors.html" title="struct actix_cors::Cors">Cors</a></code></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Any" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#131-135" title="goto source code">[src]</a></div><a href="#impl-Any" class="anchor"></a><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.type_id" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132" title="goto source code">[src]</a></div><a href="#method.type_id" class="anchor"></a><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code></div></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Borrow%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#208-213" title="goto source code">[src]</a></div><a href="#impl-Borrow%3CT%3E" class="anchor"></a><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#210" title="goto source code">[src]</a></div><a href="#method.borrow" class="anchor"></a><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>T</code></div></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-BorrowMut%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#216-220" title="goto source code">[src]</a></div><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.borrow_mut" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#217" title="goto source code">[src]</a></div><a href="#method.borrow_mut" class="anchor"></a><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T</code></div></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-From%3CT%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#544-548" title="goto source code">[src]</a></div><a href="#impl-From%3CT%3E" class="anchor"></a><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</code></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.from" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545" title="goto source code">[src]</a></div><a href="#method.from" class="anchor"></a><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</code></div></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Instrument" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#155" title="goto source code">[src]</a></div><a href="#impl-Instrument" class="anchor"></a><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html" title="trait tracing::instrument::Instrument">Instrument</a> for T</code></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.instrument" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#38" title="goto source code">[src]</a></div><a href="#method.instrument" class="anchor"></a><code>fn <a href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.instrument" class="fnname">instrument</a>(self, span: <a class="struct" href="https://docs.rs/tracing/0.1.26/tracing/span/struct.Span.html" title="struct tracing::span::Span">Span</a>) -&gt; <a class="struct" href="https://docs.rs/tracing/0.1.26/tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;</code></div></summary><div class='docblock'><p>Instruments this type with the provided <code>Span</code>, returning an
<code>Instrumented</code> wrapper. <a href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.instrument">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.in_current_span" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#74" title="goto source code">[src]</a></div><a href="#method.in_current_span" class="anchor"></a><code>fn <a href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.in_current_span" class="fnname">in_current_span</a>(self) -&gt; <a class="struct" href="https://docs.rs/tracing/0.1.26/tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;</code></div></summary><div class='docblock'><p>Instruments this type with the <a href="../struct.Span.html#method.current">current</a> <code>Span</code>, returning an
<code>Instrumented</code> wrapper. <a href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.in_current_span">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Into%3CU%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#533-540" title="goto source code">[src]</a></div><a href="#impl-Into%3CU%3E" class="anchor"></a><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></code></div></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><div id="method.into" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#537" title="goto source code">[src]</a></div><a href="#method.into" class="anchor"></a><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</code></div></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-Same%3CT%3E" class="impl has-srclink"><div class="rightside"></div><a href="#impl-Same%3CT%3E" class="anchor"></a><code class="in-band">impl&lt;T&gt; Same&lt;T&gt; for T</code></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Output" class="type trait-impl has-srclink"><a href="#associatedtype.Output" class="anchor"></a><code>type <a href="#associatedtype.Output" class="type">Output</a> = T</code></div></summary><div class='docblock'><p>Should always be <code>Self</code></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-TryFrom%3CU%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#581-590" title="goto source code">[src]</a></div><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></code></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Error-1" class="type trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></div></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.try_from" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#587" title="goto source code">[src]</a></div><a href="#method.try_from" class="anchor"></a><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code></div></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-TryInto%3CU%3E" class="impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#567-576" title="goto source code">[src]</a></div><a href="#impl-TryInto%3CU%3E" class="anchor"></a><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></code></div></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><div id="associatedtype.Error-2" class="type trait-impl has-srclink"><a href="#associatedtype.Error-2" class="anchor"></a><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></div></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><div id="method.try_into" class="method trait-impl has-srclink"><div class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#573" title="goto source code">[src]</a></div><a href="#method.try_into" class="anchor"></a><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code></div></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><div id="impl-VZip%3CV%3E" class="impl has-srclink"><div class="rightside"></div><a href="#impl-VZip%3CV%3E" class="anchor"></a><code class="in-band">impl&lt;V, T&gt; VZip&lt;V&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;V: MultiLane&lt;T&gt;,&nbsp;</span></code></div></summary><div class="impl-items"><div id="method.vzip" class="method trait-impl has-srclink"><div class="rightside"></div><a href="#method.vzip" class="anchor"></a><code>pub fn <a href="#tymethod.vzip" class="fnname">vzip</a>(self) -&gt; V</code></div></div></details></div></section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../" data-current-crate="actix_cors" data-search-index-js="../search-index.js" data-search-js="../search.js"></div>
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