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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="API documentation for the Rust `SessionImpl` trait in crate `actix_web`."><meta name="keywords" content="rust, rustlang, rust-lang, SessionImpl"><title>actix_web::middleware::session::SessionImpl - 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="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><p class='location'>Trait SessionImpl</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.get">get</a><a href="#tymethod.set">set</a><a href="#tymethod.remove">remove</a><a href="#tymethod.clear">clear</a><a href="#tymethod.write">write</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../../index.html'>actix_web</a>::<wbr><a href='../index.html'>middleware</a>::<wbr><a href='index.html'>session</a></p><script>window.sidebarCurrent = {name: 'SessionImpl', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../../src/actix_web/middleware/session.rs.html#273-288' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='../../index.html'>actix_web</a>::<wbr><a href='../index.html'>middleware</a>::<wbr><a href='index.html'>session</a>::<wbr><a class="trait" href=''>SessionImpl</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait SessionImpl: 'static {
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fn <a href='#tymethod.get' class='fnname'>get</a>(&self, key: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>>;
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<div class='item-spacer'></div> fn <a href='#tymethod.set' class='fnname'>set</a>(&mut self, key: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, value: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>);
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<div class='item-spacer'></div> fn <a href='#tymethod.remove' class='fnname'>remove</a>(&mut self, key: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>);
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<div class='item-spacer'></div> fn <a href='#tymethod.clear' class='fnname'>clear</a>(&mut self);
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<div class='item-spacer'></div> fn <a href='#tymethod.write' class='fnname'>write</a>(&self, resp: <a class="struct" href="../../../actix_web/struct.HttpResponse.html" title="struct actix_web::HttpResponse">HttpResponse</a>) -> <a class="type" href="../../../actix_web/error/type.Result.html" title="type actix_web::error::Result">Result</a><<a class="enum" href="../../../actix_web/middleware/enum.Response.html" title="enum actix_web::middleware::Response">Response</a>>;
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}</pre></div><div class='docblock'><p>A simple key-value storage interface that is internally used by <code>Session</code>.</p>
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</div>
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<h2 id='required-methods' class='small-section-header'>
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Required Methods<a href='#required-methods' class='anchor'></a>
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</h2>
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<div class='methods'>
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<h3 id='tymethod.get' class='method'><span id='get.v' class='invisible'><code>fn <a href='#tymethod.get' class='fnname'>get</a>(&self, key: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>></code></span></h3><div class='docblock'><p>Get session value by key</p>
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</div><h3 id='tymethod.set' class='method'><span id='set.v' class='invisible'><code>fn <a href='#tymethod.set' class='fnname'>set</a>(&mut self, key: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, value: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></span></h3><div class='docblock'><p>Set session value</p>
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</div><h3 id='tymethod.remove' class='method'><span id='remove.v' class='invisible'><code>fn <a href='#tymethod.remove' class='fnname'>remove</a>(&mut self, key: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>)</code></span></h3><div class='docblock'><p>Remove specific key from session</p>
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</div><h3 id='tymethod.clear' class='method'><span id='clear.v' class='invisible'><code>fn <a href='#tymethod.clear' class='fnname'>clear</a>(&mut self)</code></span></h3><div class='docblock'><p>Remove all values from session</p>
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</div><h3 id='tymethod.write' class='method'><span id='write.v' class='invisible'><code>fn <a href='#tymethod.write' class='fnname'>write</a>(&self, resp: <a class="struct" href="../../../actix_web/struct.HttpResponse.html" title="struct actix_web::HttpResponse">HttpResponse</a>) -> <a class="type" href="../../../actix_web/error/type.Result.html" title="type actix_web::error::Result">Result</a><<a class="enum" href="../../../actix_web/middleware/enum.Response.html" title="enum actix_web::middleware::Response">Response</a>></code></span></h3><div class='docblock'><p>Write session to storage backend.</p>
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</div></div><h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'><h3 id='impl-SessionImpl' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl SessionImpl for <a class="struct" href="../../../actix_web/middleware/session/struct.CookieSession.html" title="struct actix_web::middleware::session::CookieSession">CookieSession</a></code><a href='#impl-SessionImpl' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/actix_web/middleware/session.rs.html#321-351' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.get' class="method"><span id='get.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.get' class='fnname'>get</a>(&self, key: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/actix_web/middleware/session.rs.html#322-328' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.set' class="method"><span id='set.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.set' class='fnname'>set</a>(&mut self, key: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>, value: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/actix_web/middleware/session.rs.html#330-333' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.remove' class="method"><span id='remove.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.remove' class='fnname'>remove</a>(&mut self, key: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/actix_web/middleware/session.rs.html#335-338' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.clear' class="method"><span id='clear.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.clear' class='fnname'>clear</a>(&mut self)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/actix_web/middleware/session.rs.html#340-343' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.write' class="method"><span id='write.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.write' class='fnname'>write</a>(&self, resp: <a class="struct" href="../../../actix_web/struct.HttpResponse.html" title="struct actix_web::HttpResponse">HttpResponse</a>) -> <a class="type" href="../../../actix_web/error/type.Result.html" title="type actix_web::error::Result">Result</a><<a class="enum" href="../../../actix_web/middleware/enum.Response.html" title="enum actix_web::middleware::Response">Response</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../../../src/actix_web/middleware/session.rs.html#345-350' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></div><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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src="../../../implementors/actix_web/middleware/session/trait.SessionImpl.js">
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