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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="Identity management middleware."><meta name="keywords" content="rust, rustlang, rust-lang, IdentityMiddleware"><title>IdentityMiddleware in actix_identity - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><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="../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../dark.css" disabled><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../main.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../favicon.svg"></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="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../actix_identity/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div>
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</a><h2 class="location"><a href="#">IdentityMiddleware</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#implementations">Methods</a></h3><ul><li><a href="#method.builder">builder</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#trait-implementations">Trait Implementations</a></h3><ul><li><a href="#impl-Clone-for-IdentityMiddleware">Clone</a></li><li><a href="#impl-Default-for-IdentityMiddleware">Default</a></li><li><a href="#impl-Transform%3CS%2C%20ServiceRequest%3E-for-IdentityMiddleware">Transform&lt;S, ServiceRequest&gt;</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><a href="#impl-RefUnwindSafe-for-IdentityMiddleware">RefUnwindSafe</a></li><li><a href="#impl-Send-for-IdentityMiddleware">!Send</a></li><li><a href="#impl-Sync-for-IdentityMiddleware">!Sync</a></li><li><a href="#impl-Unpin-for-IdentityMiddleware">Unpin</a></li><li><a href="#impl-UnwindSafe-for-IdentityMiddleware">UnwindSafe</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#blanket-implementations">Blanket Implementations</a></h3><ul><li><a href="#impl-Any-for-IdentityMiddleware">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-IdentityMiddleware">Borrow&lt;T&gt;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-IdentityMiddleware">BorrowMut&lt;T&gt;</a></li><li><a href="#impl-From%3CT%3E-for-IdentityMiddleware">From&lt;T&gt;</a></li><li><a href="#impl-Instrument-for-IdentityMiddleware">Instrument</a></li><li><a href="#impl-Into%3CU%3E-for-IdentityMiddleware">Into&lt;U&gt;</a></li><li><a href="#impl-Same%3CT%3E-for-IdentityMiddleware">Same&lt;T&gt;</a></li><li><a href="#impl-ToOwned-for-IdentityMiddleware">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-IdentityMiddleware">TryFrom&lt;U&gt;</a></li><li><a href="#impl-TryInto%3CU%3E-for-IdentityMiddleware">TryInto&lt;U&gt;</a></li><li><a href="#impl-VZip%3CV%3E-for-IdentityMiddleware">VZip&lt;V&gt;</a></li><li><a href="#impl-WithSubscriber-for-IdentityMiddleware">WithSubscriber</a></li></ul></div></section><h2 class="location"><a href="index.html">In actix_identity</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../actix_identity/index.html"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1">
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<h1 class="fqn"><span class="in-band">Struct <a href="index.html">actix_identity</a>::<wbr><a class="struct" href="#">IdentityMiddleware</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../src/actix_identity/middleware.rs.html#45-47">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust struct"><code>pub struct IdentityMiddleware { /* private fields */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Identity management middleware.</p>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use</span> <span class="ident">actix_web</span>::{<span class="ident">cookie::Key</span>, <span class="ident">App</span>, <span class="ident">HttpServer</span>};
<span class="kw">use</span> <span class="ident">actix_session::storage::RedisSessionStore</span>;
<span class="kw">use</span> <span class="ident">actix_identity</span>::{<span class="ident">Identity</span>, <span class="ident">IdentityMiddleware</span>};
<span class="kw">use</span> <span class="ident">actix_session</span>::{<span class="ident">Session</span>, <span class="ident">SessionMiddleware</span>};
<span class="attribute">#[<span class="ident">actix_web::main</span>]</span>
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">main</span>() {
<span class="kw">let</span> <span class="ident">secret_key</span> <span class="op">=</span> <span class="ident">Key::generate</span>();
<span class="kw">let</span> <span class="ident">redis_store</span> <span class="op">=</span> <span class="ident">RedisSessionStore::new</span>(<span class="string">&quot;redis://127.0.0.1:6379&quot;</span>).<span class="kw">await</span>.<span class="ident">unwrap</span>();
<span class="ident">HttpServer::new</span>(<span class="kw">move</span> <span class="op">|</span><span class="op">|</span> {
<span class="ident">App::new</span>()
<span class="comment">// Install the identity framework first.</span>
.<span class="ident">wrap</span>(<span class="ident">IdentityMiddleware::default</span>())
<span class="comment">// The identity system is built on top of sessions.</span>
<span class="comment">// You must install the session middleware to leverage `actix-identity`.</span>
.<span class="ident">wrap</span>(<span class="ident">SessionMiddleware::new</span>(<span class="ident">redis_store</span>.<span class="ident">clone</span>(), <span class="ident">secret_key</span>.<span class="ident">clone</span>()))
})
}</code></pre></div>
</div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/actix_identity/middleware.rs.html#49-60">source</a></span><a href="#impl-IdentityMiddleware" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.builder" class="method has-srclink"><span class="rightside"><a class="srclink" href="../src/actix_identity/middleware.rs.html#57-59">source</a></span><h4 class="code-header">pub fn <a href="#method.builder" class="fnname">builder</a>() -&gt; <a class="struct" href="config/struct.IdentityMiddlewareBuilder.html" title="struct actix_identity::config::IdentityMiddlewareBuilder">IdentityMiddlewareBuilder</a></h4></section></summary><div class="docblock"><p>A fluent API to configure <a href="struct.IdentityMiddleware.html" title="IdentityMiddleware"><code>IdentityMiddleware</code></a>.</p>
</div></details></div></details></div><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><section id="impl-Clone-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/actix_identity/middleware.rs.html#44">source</a></span><a href="#impl-Clone-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/actix_identity/middleware.rs.html#44">source</a></span><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone" class="fnname">clone</a>(&amp;self) -&gt; <a class="struct" href="struct.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h4></section></summary><div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/clone.rs.html#132-134">source</a></span><a href="#method.clone_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from" class="fnname">clone_from</a>(&amp;mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>Self)</h4></section></summary><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Default-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/actix_identity/middleware.rs.html#44">source</a></span><a href="#impl-Default-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.default" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/actix_identity/middleware.rs.html#44">source</a></span><a href="#method.default" class="anchor"></a><h4 class="code-header">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.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h4></section></summary><div class='docblock'><p>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Transform%3CS%2C%20ServiceRequest%3E-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../src/actix_identity/middleware.rs.html#62-80">source</a></span><a href="#impl-Transform%3CS%2C%20ServiceRequest%3E-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header in-band">impl&lt;S, B&gt; Transform&lt;S, ServiceRequest&gt; for <a class="struct" href="struct.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a> <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;S: Service&lt;ServiceRequest, Response = ServiceResponse&lt;B&gt;, Error = Error&gt; + 'static,<br>&nbsp;&nbsp;&nbsp;&nbsp;S::Future: 'static,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: MessageBody + 'static,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Response" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Response" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Response</a> = ServiceResponse&lt;B&gt;</h4></section></summary><div class='docblock'><p>Responses produced by the service.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = Error</h4></section></summary><div class='docblock'><p>Errors produced by the service.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.Transform" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Transform" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Transform</a> = InnerIdentityMiddleware&lt;S&gt;</h4></section></summary><div class='docblock'><p>The <code>TransformService</code> value created by this factory</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.InitError" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.InitError" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">InitError</a> = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a></h4></section></summary><div class='docblock'><p>Errors produced while building a transform service.</p>
</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.Future" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Future" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Future</a> = Ready&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;&lt;<a class="struct" href="struct.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a> as Transform&lt;S, ServiceRequest&gt;&gt;::Transform, &lt;<a class="struct" href="struct.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a> as Transform&lt;S, ServiceRequest&gt;&gt;::InitError&gt;&gt;</h4></section></summary><div class='docblock'><p>The future response value.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new_transform" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../src/actix_identity/middleware.rs.html#74-79">source</a></span><a href="#method.new_transform" class="anchor"></a><h4 class="code-header">fn <a class="fnname">new_transform</a>(&amp;self, service: S) -&gt; Self::Future</h4></section></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"><section id="impl-RefUnwindSafe-for-IdentityMiddleware" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h3></section><section id="impl-Send-for-IdentityMiddleware" class="impl has-srclink"><a href="#impl-Send-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h3></section><section id="impl-Sync-for-IdentityMiddleware" class="impl has-srclink"><a href="#impl-Sync-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h3></section><section id="impl-Unpin-for-IdentityMiddleware" class="impl has-srclink"><a href="#impl-Unpin-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h3></section><section id="impl-UnwindSafe-for-IdentityMiddleware" class="impl has-srclink"><a href="#impl-UnwindSafe-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.IdentityMiddleware.html" title="struct actix_identity::IdentityMiddleware">IdentityMiddleware</a></h3></section></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"><summary><section id="impl-Any-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#203">source</a></span><a href="#impl-Any-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#204">source</a></span><a href="#method.type_id" class="anchor"></a><h4 class="code-header">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="st
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#209">source</a></span><a href="#impl-Borrow%3CT%3E-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211">source</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">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</h4></section></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"><summary><section id="impl-BorrowMut%3CT%3E-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#218">source</a></span><a href="#impl-BorrowMut%3CT%3E-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#219">source</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">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</h4></section></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"><summary><section id="impl-From%3CT%3E-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#557">source</a></span><a href="#impl-From%3CT%3E-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#559">source</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Instrument-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.35/src/tracing/instrument.rs.html#276">source</a></span><a href="#impl-Instrument-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://docs.rs/tracing/0.1.35/tracing/instrument/trait.Instrument.html" title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.instrument" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.35/src/tracing/instrument.rs.html#82">source</a></span><a href="#method.instrument" class="anchor"></a><h4 class="code-header">fn <a href="https://docs.rs/tracing/0.1.35/tracing/instrument/trait.Instrument.html#method.instrument" class="fnname">instrument</a>(self, span: <a class="struct" href="https://docs.rs/tracing/0.1.35/tracing/span/struct.Span.html" title="struct tracing::span::Span">Span</a>) -&gt; <a class="struct" href="https://docs.rs/tracing/0.1.35/tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;</h4></section></summary><div class='docblock'><p>Instruments this type with the provided <a href="https://docs.rs/tracing/0.1.35/tracing/span/struct.Span.html" title="Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <a href="https://docs.rs/tracing/0.1.35/tracing/instrument/trait.Instrument.html#method.instrument">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.in_current_span" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.35/src/tracing/instrument.rs.html#121">source</a></span><a href="#method.in_current_span" class="anchor"></a><h4 class="code-header">fn <a href="https://docs.rs/tracing/0.1.35/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/0.1.35/tracing/instrument/struct.Instrumented.html" title="struct tracing::instrument::Instrumented">Instrumented</a>&lt;Self&gt;</h4></section></summary><div class='docblock'><p>Instruments this type with the <a href="https://docs.rs/tracing/0.1.35/tracing/span/struct.Span.html#method.current">current</a> <a href="https://docs.rs/tracing/0.1.35/tracing/span/struct.Span.html"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <a href="https://docs.rs/tracing/0.1.35/tracing/instrument/trait.Instrument.html#method.in_current_span">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#541">source</a></span><a href="#impl-Into%3CU%3E-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#549">source</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Same%3CT%3E-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/typenum/1.15.0/src/typenum/type_operators.rs.html#34">source</a></span><a href="#impl-Same%3CT%3E-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://docs.rs/typenum/1.15.0/typenum/type_operators/trait.Same.html" title="trait typenum::type_operators::Same">Same</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Output" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Output" class="anchor"></a><h4 class="code-header">type <a href="https://docs.rs/typenum/1.15.0/typenum/type_operators/trait.Same.html#associatedtype.Output" class="associatedtype">Output</a> = T</h4></section></summary><div class='docblock'><p>Should always be <code>Self</code></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#83">source</a></span><a href="#impl-ToOwned-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> 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/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Owned" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'><p>The resulting type after obtaining ownership.</p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#88">source</a></span><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fnname">to_owned</a>(&amp;self) -&gt; T</h4></section></summary><div class='docblock'><p>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#92">source</a></span><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fnname">clone_into</a>(&amp;self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T)</h4></section></summary><div class='docblock'><p>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#598">source</a></span><a href="#impl-TryFrom%3CU%3E-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></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><section id="method.try_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#604">source</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">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="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#583">source</a></span><a href="#impl-TryInto%3CU%3E-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-2" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-2" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">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="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><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><section id="method.try_into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#589">source</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">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="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-VZip%3CV%3E-for-IdentityMiddleware" class="impl has-srclink"><a href="#impl-VZip%3CV%3E-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header 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></h3></section></summary><div class="impl-items"><section id="method.vzip" class="method trait-impl has-srclink"><a href="#method.vzip" class="anchor"></a><h4 class="code-header">fn <a class="fnname">vzip</a>(self) -&gt; V</h4></section></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-WithSubscriber-for-IdentityMiddleware" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.35/src/tracing/instrument.rs.html#334">source</a></span><a href="#impl-WithSubscriber-for-IdentityMiddleware" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://docs.rs/tracing/0.1.35/tracing/instrument/trait.WithSubscriber.html" title="trait tracing::instrument::WithSubscriber">WithSubscriber</a> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.with_subscriber" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.35/src/tracing/instrument.rs.html#169-171">source</a></span><a href="#method.with_subscriber" class="anchor"></a><h4 class="code-header">fn <a href="https://docs.rs/tracing/0.1.35/tracing/instrument/trait.WithSubscriber.html#method.with_subscriber" class="fnname">with_subscriber</a>&lt;S&gt;(self, subscriber: S) -&gt; <a class="struct" href="https://docs.rs/tracing/0.1.35/tracing/instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;S: <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/tracing-core/0.1.22/tracing_core/dispatcher/struct.Dispatch.html" title="struct tracing_core::dispatcher::Dispatch">Dispatch</a>&gt;,&nbsp;</span></h4></section></summary><div class='docblock'><p>Attaches the provided <a href="https://docs.rs/tracing-core/0.1.22/tracing_core/subscriber/trait.Subscriber.html"><code>Subscriber</code></a> to this type, returning a
<a href="https://docs.rs/tracing/0.1.35/tracing/instrument/struct.WithDispatch.html" title="WithDispatch"><code>WithDispatch</code></a> wrapper. <a href="https://docs.rs/tracing/0.1.35/tracing/instrument/trait.WithSubscriber.html#method.with_subscriber">Read more</a></p>
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.with_current_subscriber" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/tracing/0.1.35/src/tracing/instrument.rs.html#221">source</a></span><a href="#method.with_current_subscriber" class="anchor"></a><h4 class="code-header">fn <a href="https://docs.rs/tracing/0.1.35/tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber" class="fnname">with_current_subscriber</a>(self) -&gt; <a class="struct" href="https://docs.rs/tracing/0.1.35/tracing/instrument/struct.WithDispatch.html" title="struct tracing::instrument::WithDispatch">WithDispatch</a>&lt;Self&gt;</h4></section></summary><div class='docblock'><p>Attaches the current <a href="https://docs.rs/tracing/0.1.35/tracing/dispatcher/index.html#setting-the-default-subscriber">default</a> <a href="https://docs.rs/tracing-core/0.1.22/tracing_core/subscriber/trait.Subscriber.html"><code>Subscriber</code></a> to this type, returning a
<a href="https://docs.rs/tracing/0.1.35/tracing/instrument/struct.WithDispatch.html" title="WithDispatch"><code>WithDispatch</code></a> wrapper. <a href="https://docs.rs/tracing/0.1.35/tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber">Read more</a></p>
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