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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 `actix_web` crate."><meta name="keywords" content="rust, rustlang, rust-lang, actix_web"><title>actix_web - 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 mod"><!--[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'>Crate actix_web</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#reexports">Re-exports</a></li><li><a href="#modules">Modules</a></li><li><a href="#macros">Macros</a></li><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#traits">Traits</a></li><li><a href="#types">Type Definitions</a></li></ul></div><p class='location'></p><script>window.sidebarCurrent = {name: 'actix_web', ty: 'mod', relpath: '../'};</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/lib.rs.html#1-294' title='goto source code'>[src]</a></span><span class='in-band'>Crate <a class="mod" href=''>actix_web</a></span></h1><div class='docblock'><p>Actix web is a small, pragmatic, and extremely fast web framework
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for Rust.</p>
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<pre class="rust rust-example-rendered">
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<span class="kw">use</span> <span class="ident">actix_web</span>::{<span class="ident">server</span>, <span class="ident">App</span>, <span class="ident">Path</span>, <span class="ident">Responder</span>};
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<span class="kw">fn</span> <span class="ident">index</span>(<span class="ident">info</span>: <span class="ident">Path</span><span class="op"><</span>(<span class="ident">String</span>, <span class="ident">u32</span>)<span class="op">></span>) <span class="op">-></span> <span class="kw">impl</span> <span class="ident">Responder</span> {
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<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Hello {}! id:{}"</span>, <span class="ident">info</span>.<span class="number">0</span>, <span class="ident">info</span>.<span class="number">1</span>)
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}
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<span class="kw">fn</span> <span class="ident">main</span>() {
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<span class="ident">server</span>::<span class="ident">new</span>(<span class="op">||</span> {
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<span class="ident">App</span>::<span class="ident">new</span>().<span class="ident">resource</span>(<span class="string">"/{name}/{id}/index.html"</span>, <span class="op">|</span><span class="ident">r</span><span class="op">|</span> <span class="ident">r</span>.<span class="ident">with</span>(<span class="ident">index</span>))
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}).<span class="ident">bind</span>(<span class="string">"127.0.0.1:8080"</span>)
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.<span class="ident">unwrap</span>()
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.<span class="ident">run</span>();
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}</pre>
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<h2 id="documentation--community-resources" class="section-header"><a href="#documentation--community-resources">Documentation & community resources</a></h2>
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<p>Besides the API documentation (which you are currently looking
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at!), several other resources are available:</p>
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<ul>
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<li><a href="https://actix.rs/docs/">User Guide</a></li>
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<li><a href="https://gitter.im/actix/actix">Chat on gitter</a></li>
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<li><a href="https://github.com/actix/actix-web">GitHub repository</a></li>
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<li><a href="https://crates.io/crates/actix-web">Cargo package</a></li>
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</ul>
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<p>To get started navigating the API documentation you may want to
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consider looking at the following pages:</p>
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<ul>
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<li>
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<p><a href="struct.App.html">App</a>: This struct represents an actix-web
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application and is used to configure routes and other common
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settings.</p>
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</li>
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<li>
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<p><a href="server/struct.HttpServer.html">HttpServer</a>: This struct
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represents an HTTP server instance and is used to instantiate and
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configure servers.</p>
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</li>
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<li>
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<p><a href="struct.HttpRequest.html">HttpRequest</a> and
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<a href="struct.HttpResponse.html">HttpResponse</a>: These structs
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represent HTTP requests and responses and expose various methods
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for inspecting, creating and otherwise utilizing them.</p>
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</li>
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</ul>
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<h2 id="features" class="section-header"><a href="#features">Features</a></h2>
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<ul>
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<li>Supported <em>HTTP/1.x</em> and <em>HTTP/2.0</em> protocols</li>
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<li>Streaming and pipelining</li>
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<li>Keep-alive and slow requests handling</li>
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<li><code>WebSockets</code> server/client</li>
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<li>Transparent content compression/decompression (br, gzip, deflate)</li>
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<li>Configurable request routing</li>
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<li>Graceful server shutdown</li>
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<li>Multipart streams</li>
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<li>SSL support with OpenSSL or <code>native-tls</code></li>
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<li>Middlewares (<code>Logger</code>, <code>Session</code>, <code>CORS</code>, <code>CSRF</code>, <code>DefaultHeaders</code>)</li>
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<li>Built on top of <a href="https://github.com/actix/actix">Actix actor framework</a></li>
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<li>Supported Rust version: 1.26 or later</li>
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</ul>
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<h2 id="package-feature" class="section-header"><a href="#package-feature">Package feature</a></h2>
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<ul>
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<li><code>tls</code> - enables ssl support via <code>native-tls</code> crate</li>
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<li><code>ssl</code> - enables ssl support via <code>openssl</code> crate, supports <code>http/2</code></li>
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<li><code>rust-tls</code> - enables ssl support via <code>rustls</code> crate, supports <code>http/2</code></li>
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<li><code>uds</code> - enables support for making client requests via Unix Domain Sockets.
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Unix only. Not necessary for <em>serving</em> requests.</li>
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<li><code>session</code> - enables session support, includes <code>ring</code> crate as
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dependency</li>
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<li><code>brotli</code> - enables <code>brotli</code> compression support, requires <code>c</code>
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compiler</li>
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<li><code>flate2-c</code> - enables <code>gzip</code>, <code>deflate</code> compression support, requires
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<code>c</code> compiler</li>
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<li><code>flate2-rust</code> - experimental rust based implementation for
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<code>gzip</code>, <code>deflate</code> compression.</li>
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</ul>
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</div><h2 id='reexports' class='section-header'><a href="#reexports">Re-exports</a></h2>
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<table><tr><td><code>pub use error::<a class="struct" href="../actix_web/error/struct.Error.html" title="struct actix_web::error::Error">Error</a>;</code></td></tr><tr><td><code>pub use error::<a class="trait" href="../actix_web/error/trait.ResponseError.html" title="trait actix_web::error::ResponseError">ResponseError</a>;</code></td></tr><tr><td><code>pub use error::<a class="type" href="../actix_web/error/type.Result.html" title="type actix_web::error::Result">Result</a>;</code></td></tr></table><h2 id='modules' class='section-header'><a href="#modules">Modules</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="mod" href="actix/index.html"
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title='mod actix_web::actix'>actix</a></td>
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<td class='docblock-short'>
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<p>Re-exports <a href="https://docs.rs/actix/">actix's</a> prelude</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="client/index.html"
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title='mod actix_web::client'>client</a></td>
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<td class='docblock-short'>
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<p>Http client api</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="dev/index.html"
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title='mod actix_web::dev'>dev</a></td>
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<td class='docblock-short'>
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<p>The <code>actix-web</code> prelude for library developers</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="error/index.html"
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title='mod actix_web::error'>error</a></td>
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<td class='docblock-short'>
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<p>Error and Result module</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="fs/index.html"
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title='mod actix_web::fs'>fs</a></td>
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<td class='docblock-short'>
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<p>Static files support</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="http/index.html"
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title='mod actix_web::http'>http</a></td>
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<td class='docblock-short'>
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<p>Various HTTP related types</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="middleware/index.html"
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title='mod actix_web::middleware'>middleware</a></td>
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<td class='docblock-short'>
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<p>Middlewares</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="multipart/index.html"
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title='mod actix_web::multipart'>multipart</a></td>
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<td class='docblock-short'>
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<p>Multipart requests support</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="pred/index.html"
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title='mod actix_web::pred'>pred</a></td>
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<td class='docblock-short'>
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<p>Route match predicates</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="server/index.html"
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title='mod actix_web::server'>server</a></td>
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<td class='docblock-short'>
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<p>Http server module</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="test/index.html"
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title='mod actix_web::test'>test</a></td>
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<td class='docblock-short'>
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<p>Various helpers for Actix applications to use during testing.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="mod" href="ws/index.html"
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title='mod actix_web::ws'>ws</a></td>
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<td class='docblock-short'>
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<p><code>WebSocket</code> support for Actix</p>
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</td>
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</tr></table><h2 id='macros' class='section-header'><a href="#macros">Macros</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="macro" href="macro.header.html"
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title='macro actix_web::header'>header</a></td>
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<td class='docblock-short'>
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</td>
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</tr></table><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.App.html"
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title='struct actix_web::App'>App</a></td>
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<td class='docblock-short'>
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<p>Structure that follows the builder pattern for building application
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instances.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Extensions.html"
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title='struct actix_web::Extensions'>Extensions</a></td>
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<td class='docblock-short'>
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<p>A type map of request extensions.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Form.html"
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title='struct actix_web::Form'>Form</a></td>
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<td class='docblock-short'>
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<p>Extract typed information from the request's body.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.HttpContext.html"
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title='struct actix_web::HttpContext'>HttpContext</a></td>
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<td class='docblock-short'>
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<p>Execution context for http actors</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.HttpRequest.html"
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title='struct actix_web::HttpRequest'>HttpRequest</a></td>
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<td class='docblock-short'>
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<p>An HTTP Request</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.HttpResponse.html"
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title='struct actix_web::HttpResponse'>HttpResponse</a></td>
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<td class='docblock-short'>
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<p>An HTTP Response</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Json.html"
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title='struct actix_web::Json'>Json</a></td>
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<td class='docblock-short'>
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<p>Json helper</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Path.html"
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title='struct actix_web::Path'>Path</a></td>
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<td class='docblock-short'>
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<p>Extract typed information from the request's path.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Query.html"
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title='struct actix_web::Query'>Query</a></td>
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<td class='docblock-short'>
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<p>Extract typed information from from the request's query.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Request.html"
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title='struct actix_web::Request'>Request</a></td>
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<td class='docblock-short'>
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<p>Request's context</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.Scope.html"
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title='struct actix_web::Scope'>Scope</a></td>
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<td class='docblock-short'>
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<p>Resources scope</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="struct" href="struct.State.html"
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title='struct actix_web::State'>State</a></td>
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<td class='docblock-short'>
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<p>Access an application state</p>
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</td>
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</tr></table><h2 id='enums' class='section-header'><a href="#enums">Enums</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.Binary.html"
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title='enum actix_web::Binary'>Binary</a></td>
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<td class='docblock-short'>
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<p>Represents various types of binary body.
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<code>Content-Length</code> header is set to length of the body.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.Body.html"
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title='enum actix_web::Body'>Body</a></td>
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<td class='docblock-short'>
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<p>Represents various types of http message body.</p>
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="enum" href="enum.Either.html"
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title='enum actix_web::Either'>Either</a></td>
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<td class='docblock-short'>
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<p>Combines two different responder types into a single type</p>
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</td>
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</tr></table><h2 id='traits' class='section-header'><a href="#traits">Traits</a></h2>
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<table>
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<tr class=' module-item'>
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<td><a class="trait" href="trait.AsyncResponder.html"
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title='trait actix_web::AsyncResponder'>AsyncResponder</a></td>
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||
<td class='docblock-short'>
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<p>Convenience trait that converts <code>Future</code> object to a <code>Boxed</code> future</p>
|
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</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="trait" href="trait.FromRequest.html"
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title='trait actix_web::FromRequest'>FromRequest</a></td>
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||
<td class='docblock-short'>
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<p>Trait implemented by types that can be extracted from request.</p>
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||
</td>
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</tr>
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<tr class=' module-item'>
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<td><a class="trait" href="trait.HttpMessage.html"
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title='trait actix_web::HttpMessage'>HttpMessage</a></td>
|
||
<td class='docblock-short'>
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<p>Trait that implements general purpose operations on http messages</p>
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||
</td>
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||
</tr>
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<tr class=' module-item'>
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||
<td><a class="trait" href="trait.Responder.html"
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title='trait actix_web::Responder'>Responder</a></td>
|
||
<td class='docblock-short'>
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||
<p>Trait implemented by types that generate responses for clients.</p>
|
||
|
||
</td>
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||
</tr></table><h2 id='types' class='section-header'><a href="#types">Type Definitions</a></h2>
|
||
<table>
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||
<tr class=' module-item'>
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||
<td><a class="type" href="type.FutureResponse.html"
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title='type actix_web::FutureResponse'>FutureResponse</a></td>
|
||
<td class='docblock-short'>
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<p>Convenience type alias</p>
|
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</td>
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