actix/actix-web
1
0
Fork 0
mirror of https://github.com/fafhrd91/actix-web synced 2024-11-23 16:21:06 +01:00
Code Issues Releases Wiki Activity
gh-pages
actix-web/actix_web/trait.FromRequest.html
github-merge-queue[bot] a33fe13cd1 Deploying to gh-pages from @ actix/actix-web@26efa64278 🚀
2024-05-27 01:16:31 +00:00

219 lines
105 KiB
HTML
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!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="A type that implements `FromRequest` is called an extractor and can extract data from the request. Some types that implement this trait are: `Json`, `Header`, and `Path`."><title>FromRequest in actix_web - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-dd39b87e5fcfba68.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="actix_web" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.0-nightly (bdbbb6c6a 2024-05-26)" data-channel="nightly" data-search-js="search-d52510db62a78183.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-118b08c4c78b968e.js"></script><script defer src="sidebar-items.js"></script><script defer src="../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-df360f571f6edeae.css"></noscript><link rel="icon" href="https://actix.rs/favicon.ico"></head><body class="rustdoc trait"><!--[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" title="show sidebar"></button><a class="logo-container" href="../actix_web/index.html"><img src="https://actix.rs/img/logo.png" alt=""></a></nav><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../actix_web/index.html"><img src="https://actix.rs/img/logo.png" alt="logo"></a><h2><a href="../actix_web/index.html">actix_web</a><span class="version">4.6.0</span></h2></div><h2 class="location"><a href="#">FromRequest</a></h2><div class="sidebar-elems"><section><h3><a href="#required-associated-types">Required Associated Types</a></h3><ul class="block"><li><a href="#associatedtype.Error">Error</a></li><li><a href="#associatedtype.Future">Future</a></li></ul><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.from_request">from_request</a></li></ul><h3><a href="#provided-methods">Provided Methods</a></h3><ul class="block"><li><a href="#method.extract">extract</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-FromRequest-for-()">()</a></li><li><a href="#impl-FromRequest-for-(A,+B)">(A, B)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C)">(A, B, C)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D)">(A, B, C, D)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E)">(A, B, C, D, E)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F)">(A, B, C, D, E, F)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G)">(A, B, C, D, E, F, G)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H)">(A, B, C, D, E, F, G, H)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I)">(A, B, C, D, E, F, G, H, I)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J)">(A, B, C, D, E, F, G, H, I, J)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K)">(A, B, C, D, E, F, G, H, I, J, K)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L)">(A, B, C, D, E, F, G, H, I, J, K, L)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M)">(A, B, C, D, E, F, G, H, I, J, K, L, M)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M,+N)">(A, B, C, D, E, F, G, H, I, J, K, L, M, N)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M,+N,+O)">(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O)</a></li><li><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M,+N,+O,+P)">(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P)</a></li><li><a href="#impl-FromRequest-for-(A,)">(A,)</a></li><li><a href="#impl-FromRequest-for-Option%3CT%3E">Option&lt;T&gt;</a></li><li><a href="#impl-FromRequest-for-Result%3CT,+E%3E">Result&lt;T, E&gt;</a></li><li><a href="#impl-FromRequest-for-String">String</a></li></ul><h3><a href="#object-safety">Object Safety</a></h3><h3><a href="#implementors">Implementors</a></h3></section><h2><a href="index.html">In crate actix_web</a></h2></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Trait <a href="index.html">actix_web</a>::<wbr><a class="trait" href="#">FromRequest</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../src/actix_web/extract.rs.html#65-97">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub trait FromRequest: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> {
type <a href="#associatedtype.Error" class="associatedtype">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="error/struct.Error.html" title="struct actix_web::error::Error">Error</a>&gt;;
type <a href="#associatedtype.Future" class="associatedtype">Future</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self, Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;;
// Required method
fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a>;
// Provided method
fn <a href="#method.extract" class="fn">extract</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a> { ... }
}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A type that implements <a href="trait.FromRequest.html" title="trait actix_web::FromRequest"><code>FromRequest</code></a> is called an <strong>extractor</strong> and can extract data from
the request. Some types that implement this trait are: <a href="web/struct.Json.html" title="struct actix_web::web::Json"><code>Json</code></a>, <a href="web/struct.Header.html" title="struct actix_web::web::Header"><code>Header</code></a>, and <a href="web/struct.Path.html" title="struct actix_web::web::Path"><code>Path</code></a>.</p>
<p>Check out <a href="dev/struct.ServiceRequest.html#method.extract" title="method actix_web::dev::ServiceRequest::extract"><code>ServiceRequest::extract</code></a> if you want to
leverage extractors when implementing middlewares.</p>
<h2 id="configuration"><a class="doc-anchor" href="#configuration">§</a>Configuration</h2>
<p>An extractor can be customized by injecting the corresponding configuration with one of:</p>
<ul>
<li><a href="struct.App.html#method.app_data" title="method actix_web::App::app_data"><code>App::app_data()</code></a></li>
<li><a href="struct.Scope.html#method.app_data" title="method actix_web::Scope::app_data"><code>Scope::app_data()</code></a></li>
<li><a href="struct.Resource.html#method.app_data" title="method actix_web::Resource::app_data"><code>Resource::app_data()</code></a></li>
</ul>
<p>Here are some built-in extractors and their corresponding configuration.
Please refer to the respective documentation for details.</p>
<div><table><thead><tr><th>Extractor</th><th>Configuration</th></tr></thead><tbody>
<tr><td><a href="web/struct.Header.html" title="struct actix_web::web::Header"><code>Header</code></a></td><td><em>None</em></td></tr>
<tr><td><a href="web/struct.Path.html" title="struct actix_web::web::Path"><code>Path</code></a></td><td><a href="web/struct.PathConfig.html" title="struct actix_web::web::PathConfig"><code>PathConfig</code></a></td></tr>
<tr><td><a href="web/struct.Json.html" title="struct actix_web::web::Json"><code>Json</code></a></td><td><a href="web/struct.JsonConfig.html" title="struct actix_web::web::JsonConfig"><code>JsonConfig</code></a></td></tr>
<tr><td><a href="web/struct.Form.html" title="struct actix_web::web::Form"><code>Form</code></a></td><td><a href="web/struct.FormConfig.html" title="struct actix_web::web::FormConfig"><code>FormConfig</code></a></td></tr>
<tr><td><a href="web/struct.Query.html" title="struct actix_web::web::Query"><code>Query</code></a></td><td><a href="web/struct.QueryConfig.html" title="struct actix_web::web::QueryConfig"><code>QueryConfig</code></a></td></tr>
<tr><td><a href="web/struct.Bytes.html#impl-FromRequest" title="struct actix_web::web::Bytes"><code>Bytes</code></a></td><td><a href="web/struct.PayloadConfig.html" title="struct actix_web::web::PayloadConfig"><code>PayloadConfig</code></a></td></tr>
<tr><td><a href="trait.FromRequest.html#impl-FromRequest-for-String" title="trait actix_web::FromRequest"><code>String</code></a></td><td><a href="web/struct.PayloadConfig.html" title="struct actix_web::web::PayloadConfig"><code>PayloadConfig</code></a></td></tr>
<tr><td><a href="web/struct.Payload.html" title="struct actix_web::web::Payload"><code>Payload</code></a></td><td><a href="web/struct.PayloadConfig.html" title="struct actix_web::web::PayloadConfig"><code>PayloadConfig</code></a></td></tr>
</tbody></table>
</div><h2 id="implementing-an-extractor"><a class="doc-anchor" href="#implementing-an-extractor">§</a>Implementing An Extractor</h2>
<p>To reduce duplicate code in handlers where extracting certain parts of a request has a common
structure, you can implement <code>FromRequest</code> for your own types.</p>
<p>Note that the request payload can only be consumed by one extractor.</p>
</div></details><h2 id="required-associated-types" class="section-header">Required Associated Types<a href="#required-associated-types" class="anchor">§</a></h2><div class="methods"><details class="toggle" open><summary><section id="associatedtype.Error" class="method"><a class="src rightside" href="../src/actix_web/extract.rs.html#67">source</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">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="error/struct.Error.html" title="struct actix_web::error::Error">Error</a>&gt;</h4></section></summary><div class="docblock"><p>The associated error which can be returned.</p>
</div></details><details class="toggle" open><summary><section id="associatedtype.Future" class="method"><a class="src rightside" href="../src/actix_web/extract.rs.html#86">source</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self, Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;</h4></section></summary><div class="docblock"><p>Future that resolves to a <code>Self</code>.</p>
<p>To use an async function or block, the futures must be boxed. The following snippet will be
common when creating async/await extractors (that do not consume the body).</p>
<div class="example-wrap ignore"><a href="#" class="tooltip" title="This example is not tested">ⓘ</a><pre class="rust rust-example-rendered"><code><span class="kw">type </span>Future = Pin&lt;Box&lt;<span class="kw">dyn </span>Future&lt;Output = <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, <span class="self">Self</span>::Error&gt;&gt;&gt;&gt;;
<span class="comment">// or
</span><span class="kw">type </span>Future = futures_util::future::LocalBoxFuture&lt;<span class="lifetime">'static</span>, <span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, <span class="self">Self</span>::Error&gt;&gt;;
<span class="kw">fn </span>from_request(req: HttpRequest, ...) -&gt; <span class="self">Self</span>::Future {
<span class="kw">let </span>req = req.clone();
Box::pin(<span class="kw">async move </span>{
...
})
}</code></pre></div>
</div></details></div><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.from_request" class="method"><a class="src rightside" href="../src/actix_web/extract.rs.html#89">source</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></summary><div class="docblock"><p>Create a <code>Self</code> from request parts asynchronously.</p>
</div></details></div><h2 id="provided-methods" class="section-header">Provided Methods<a href="#provided-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="method.extract" class="method"><a class="src rightside" href="../src/actix_web/extract.rs.html#94-96">source</a><h4 class="code-header">fn <a href="#method.extract" class="fn">extract</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></summary><div class="docblock"><p>Create a <code>Self</code> from request head asynchronously.</p>
<p>This method is short for <code>T::from_request(req, &amp;mut Payload::None)</code>.</p>
</div></details></div><h2 id="object-safety" class="section-header">Object Safety<a href="#object-safety" class="anchor">§</a></h2><div class="object-safety-info">This trait is <b>not</b> <a href="https://doc.rust-lang.org/nightly/reference/items/traits.html#object-safety">object safe</a>.</div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-()" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#398-405">source</a><a href="#impl-FromRequest-for-()" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="#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><section id="associatedtype.Future-1" class="associatedtype trait-impl"><a href="#associatedtype.Future-1" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, &lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a> as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;</h4></section><section id="method.from_request" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#402-404">source</a><a href="#method.from_request" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(_: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, _: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-String" class="impl"><a class="src rightside" href="../src/actix_web/types/payload.rs.html#205-228">source</a><a href="#impl-FromRequest-for-String" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a></h3></section></summary><div class="docblock"><p>Extract text information from a request’s body.</p>
<p>Text extractor automatically decode body according to the request’s charset.</p>
<p>Use <a href="web/struct.PayloadConfig.html" title="struct actix_web::web::PayloadConfig"><code>PayloadConfig</code></a> to configure extraction process.</p>
<h4 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>actix_web::{post, web, FromRequest};
<span class="comment">// extract text data from request
</span><span class="attr">#[post(<span class="string">"/"</span>)]
</span><span class="kw">async fn </span>index(text: String) -&gt; String {
<span class="macro">format!</span>(<span class="string">"Body {}!"</span>, text)
}</code></pre></div>
</div><div class="impl-items"><section id="associatedtype.Error-2" class="associatedtype trait-impl"><a href="#associatedtype.Error-2" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-2" class="associatedtype trait-impl"><a href="#associatedtype.Future-2" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = Either&lt;StringExtractFut, 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;<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>, <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a>&gt;&gt;&gt;</h4></section><section id="method.from_request-1" class="method trait-impl"><a class="src rightside" href="../src/actix_web/types/payload.rs.html#210-227">source</a><a href="#method.from_request-1" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#407">source</a><a href="#impl-FromRequest-for-(A,)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A,)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-3" class="associatedtype trait-impl"><a href="#associatedtype.Error-3" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-3" class="associatedtype trait-impl"><a href="#associatedtype.Future-3" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest1&lt;A&gt;</h4></section><section id="method.from_request-2" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#407">source</a><a href="#method.from_request-2" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#408">source</a><a href="#impl-FromRequest-for-(A,+B)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-4" class="associatedtype trait-impl"><a href="#associatedtype.Error-4" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-4" class="associatedtype trait-impl"><a href="#associatedtype.Future-4" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest2&lt;A, B&gt;</h4></section><section id="method.from_request-3" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#408">source</a><a href="#method.from_request-3" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#409">source</a><a href="#impl-FromRequest-for-(A,+B,+C)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-5" class="associatedtype trait-impl"><a href="#associatedtype.Error-5" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-5" class="associatedtype trait-impl"><a href="#associatedtype.Future-5" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest3&lt;A, B, C&gt;</h4></section><section id="method.from_request-4" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#409">source</a><a href="#method.from_request-4" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#410">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-6" class="associatedtype trait-impl"><a href="#associatedtype.Error-6" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-6" class="associatedtype trait-impl"><a href="#associatedtype.Future-6" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest4&lt;A, B, C, D&gt;</h4></section><section id="method.from_request-5" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#410">source</a><a href="#method.from_request-5" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#411">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-7" class="associatedtype trait-impl"><a href="#associatedtype.Error-7" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-7" class="associatedtype trait-impl"><a href="#associatedtype.Future-7" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest5&lt;A, B, C, D, E&gt;</h4></section><section id="method.from_request-6" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#411">source</a><a href="#method.from_request-6" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#412">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-8" class="associatedtype trait-impl"><a href="#associatedtype.Error-8" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-8" class="associatedtype trait-impl"><a href="#associatedtype.Future-8" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest6&lt;A, B, C, D, E, F&gt;</h4></section><section id="method.from_request-7" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#412">source</a><a href="#method.from_request-7" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#413">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-9" class="associatedtype trait-impl"><a href="#associatedtype.Error-9" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-9" class="associatedtype trait-impl"><a href="#associatedtype.Future-9" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest7&lt;A, B, C, D, E, F, G&gt;</h4></section><section id="method.from_request-8" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#413">source</a><a href="#method.from_request-8" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#414">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, H: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G, H)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-10" class="associatedtype trait-impl"><a href="#associatedtype.Error-10" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-10" class="associatedtype trait-impl"><a href="#associatedtype.Future-10" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest8&lt;A, B, C, D, E, F, G, H&gt;</h4></section><section id="method.from_request-9" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#414">source</a><a href="#method.from_request-9" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#415">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, H: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, I: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G, H, I)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-11" class="associatedtype trait-impl"><a href="#associatedtype.Error-11" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-11" class="associatedtype trait-impl"><a href="#associatedtype.Future-11" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest9&lt;A, B, C, D, E, F, G, H, I&gt;</h4></section><section id="method.from_request-10" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#415">source</a><a href="#method.from_request-10" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#416">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, H: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, I: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, J: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G, H, I, J)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-12" class="associatedtype trait-impl"><a href="#associatedtype.Error-12" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-12" class="associatedtype trait-impl"><a href="#associatedtype.Future-12" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest10&lt;A, B, C, D, E, F, G, H, I, J&gt;</h4></section><section id="method.from_request-11" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#416">source</a><a href="#method.from_request-11" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#417">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, H: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, I: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, J: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, K: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G, H, I, J, K)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-13" class="associatedtype trait-impl"><a href="#associatedtype.Error-13" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-13" class="associatedtype trait-impl"><a href="#associatedtype.Future-13" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest11&lt;A, B, C, D, E, F, G, H, I, J, K&gt;</h4></section><section id="method.from_request-12" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#417">source</a><a href="#method.from_request-12" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#418">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, H: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, I: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, J: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, K: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, L: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G, H, I, J, K, L)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-14" class="associatedtype trait-impl"><a href="#associatedtype.Error-14" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-14" class="associatedtype trait-impl"><a href="#associatedtype.Future-14" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest12&lt;A, B, C, D, E, F, G, H, I, J, K, L&gt;</h4></section><section id="method.from_request-13" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#418">source</a><a href="#method.from_request-13" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#419">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, H: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, I: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, J: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, K: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, L: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, M: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G, H, I, J, K, L, M)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-15" class="associatedtype trait-impl"><a href="#associatedtype.Error-15" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-15" class="associatedtype trait-impl"><a href="#associatedtype.Future-15" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest13&lt;A, B, C, D, E, F, G, H, I, J, K, L, M&gt;</h4></section><section id="method.from_request-14" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#419">source</a><a href="#method.from_request-14" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M,+N)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#420">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M,+N)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, H: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, I: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, J: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, K: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, L: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, M: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, N: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G, H, I, J, K, L, M, N)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-16" class="associatedtype trait-impl"><a href="#associatedtype.Error-16" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-16" class="associatedtype trait-impl"><a href="#associatedtype.Future-16" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest14&lt;A, B, C, D, E, F, G, H, I, J, K, L, M, N&gt;</h4></section><section id="method.from_request-15" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#420">source</a><a href="#method.from_request-15" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M,+N,+O)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#421">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M,+N,+O)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, H: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, I: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, J: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, K: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, L: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, M: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, N: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, O: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-17" class="associatedtype trait-impl"><a href="#associatedtype.Error-17" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-17" class="associatedtype trait-impl"><a href="#associatedtype.Future-17" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest15&lt;A, B, C, D, E, F, G, H, I, J, K, L, M, N, O&gt;</h4></section><section id="method.from_request-16" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#421">source</a><a href="#method.from_request-16" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M,+N,+O,+P)" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#422">source</a><a href="#impl-FromRequest-for-(A,+B,+C,+D,+E,+F,+G,+H,+I,+J,+K,+L,+M,+N,+O,+P)" class="anchor">§</a><h3 class="code-header">impl&lt;A: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, B: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, C: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, D: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, E: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, F: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, G: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, H: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, I: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, J: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, K: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, L: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, M: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, N: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, O: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static, P: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P)</a></h3></section></summary><div class="docblock"><p>FromRequest implementation for tuple</p>
</div><div class="impl-items"><section id="associatedtype.Error-18" class="associatedtype trait-impl"><a href="#associatedtype.Error-18" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-18" class="associatedtype trait-impl"><a href="#associatedtype.Future-18" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = TupleFromRequest16&lt;A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P&gt;</h4></section><section id="method.from_request-17" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#422">source</a><a href="#method.from_request-17" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Option%3CT%3E" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#144-157">source</a><a href="#impl-FromRequest-for-Option%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;T&gt;<div class="where">where
T: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>,</div></h3></section></summary><div class="docblock"><p>Optionally extract from the request.</p>
<p>If the inner <code>T::from_request</code> returns an error, handler will receive <code>None</code> instead.</p>
<h4 id="examples-1"><a class="doc-anchor" href="#examples-1">§</a>Examples</h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>actix_web::{web, dev, App, Error, HttpRequest, FromRequest};
<span class="kw">use </span>actix_web::error::ErrorBadRequest;
<span class="kw">use </span>futures_util::future::{ok, err, Ready};
<span class="kw">use </span>serde::Deserialize;
<span class="kw">use </span>rand;
<span class="attr">#[derive(Debug, Deserialize)]
</span><span class="kw">struct </span>Thing {
name: String
}
<span class="kw">impl </span>FromRequest <span class="kw">for </span>Thing {
<span class="kw">type </span>Error = Error;
<span class="kw">type </span>Future = Ready&lt;<span class="prelude-ty">Result</span>&lt;<span class="self">Self</span>, <span class="self">Self</span>::Error&gt;&gt;;
<span class="kw">fn </span>from_request(req: <span class="kw-2">&amp;</span>HttpRequest, payload: <span class="kw-2">&amp;mut </span>dev::Payload) -&gt; <span class="self">Self</span>::Future {
<span class="kw">if </span>rand::random() {
ok(Thing { name: <span class="string">"thingy"</span>.into() })
} <span class="kw">else </span>{
err(ErrorBadRequest(<span class="string">"no luck"</span>))
}
}
}
<span class="doccomment">/// extract `Thing` from request
</span><span class="kw">async fn </span>index(supplied_thing: <span class="prelude-ty">Option</span>&lt;Thing&gt;) -&gt; String {
<span class="kw">match </span>supplied_thing {
<span class="comment">// Puns not intended
</span><span class="prelude-val">Some</span>(thing) =&gt; <span class="macro">format!</span>(<span class="string">"Got something: {:?}"</span>, thing),
<span class="prelude-val">None </span>=&gt; <span class="macro">format!</span>(<span class="string">"No thing!"</span>)
}
}
<span class="kw">let </span>app = App::new().service(
web::resource(<span class="string">"/users/:first"</span>).route(
web::post().to(index))
);</code></pre></div>
</div><div class="impl-items"><section id="associatedtype.Error-19" class="associatedtype trait-impl"><a href="#associatedtype.Error-19" class="anchor">§</a><h4 class="code-header">type <a href="#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><section id="associatedtype.Future-19" class="associatedtype trait-impl"><a href="#associatedtype.Future-19" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = FromRequestOptFuture&lt;&lt;T as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a>&gt;</h4></section><section id="method.from_request-18" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#152-156">source</a><a href="#method.from_request-18" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Result%3CT,+E%3E" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#229-244">source</a><a href="#impl-FromRequest-for-Result%3CT,+E%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T, E&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;<div class="where">where
T: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>,
T::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::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;E&gt;,</div></h3></section></summary><div class="docblock"><p>Extract from the request, passing error type through to handler.</p>
<p>If the inner <code>T::from_request</code> returns an error, allow handler to receive the error rather than
immediately returning an error response.</p>
<h4 id="examples-2"><a class="doc-anchor" href="#examples-2">§</a>Examples</h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>actix_web::{web, dev, App, <span class="prelude-ty">Result</span>, Error, HttpRequest, FromRequest};
<span class="kw">use </span>actix_web::error::ErrorBadRequest;
<span class="kw">use </span>futures_util::future::{ok, err, Ready};
<span class="kw">use </span>serde::Deserialize;
<span class="kw">use </span>rand;
<span class="attr">#[derive(Debug, Deserialize)]
</span><span class="kw">struct </span>Thing {
name: String
}
<span class="kw">impl </span>FromRequest <span class="kw">for </span>Thing {
<span class="kw">type </span>Error = Error;
<span class="kw">type </span>Future = Ready&lt;<span class="prelude-ty">Result</span>&lt;Thing, Error&gt;&gt;;
<span class="kw">fn </span>from_request(req: <span class="kw-2">&amp;</span>HttpRequest, payload: <span class="kw-2">&amp;mut </span>dev::Payload) -&gt; <span class="self">Self</span>::Future {
<span class="kw">if </span>rand::random() {
ok(Thing { name: <span class="string">"thingy"</span>.into() })
} <span class="kw">else </span>{
err(ErrorBadRequest(<span class="string">"no luck"</span>))
}
}
}
<span class="doccomment">/// extract `Thing` from request
</span><span class="kw">async fn </span>index(supplied_thing: <span class="prelude-ty">Result</span>&lt;Thing&gt;) -&gt; String {
<span class="kw">match </span>supplied_thing {
<span class="prelude-val">Ok</span>(thing) =&gt; <span class="macro">format!</span>(<span class="string">"Got thing: {thing:?}"</span>),
<span class="prelude-val">Err</span>(err) =&gt; <span class="macro">format!</span>(<span class="string">"Error extracting thing: {err}"</span>),
}
}
<span class="kw">let </span>app = App::new().service(
web::resource(<span class="string">"/users/:first"</span>).route(web::post().to(index))
);</code></pre></div>
</div><div class="impl-items"><section id="associatedtype.Error-20" class="associatedtype trait-impl"><a href="#associatedtype.Error-20" class="anchor">§</a><h4 class="code-header">type <a href="#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><section id="associatedtype.Future-20" class="associatedtype trait-impl"><a href="#associatedtype.Future-20" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = FromRequestResFuture&lt;&lt;T as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a>, E&gt;</h4></section><section id="method.from_request-19" class="method trait-impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#238-243">source</a><a href="#method.from_request-19" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_request" class="fn">from_request</a>(req: &amp;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, payload: &amp;mut <a class="enum" href="dev/enum.Payload.html" title="enum actix_web::dev::Payload">Payload</a>) -&gt; Self::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Future" title="type actix_web::FromRequest::Future">Future</a></h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-ConnectionInfo" class="impl"><a class="src rightside" href="../src/actix_web/info.rs.html#199-206">source</a><a href="#impl-FromRequest-for-ConnectionInfo" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="dev/struct.ConnectionInfo.html" title="struct actix_web::dev::ConnectionInfo">ConnectionInfo</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Error-21" class="associatedtype trait-impl"><a href="#associatedtype.Error-21" class="anchor">§</a><h4 class="code-header">type <a href="#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><section id="associatedtype.Future-21" class="associatedtype trait-impl"><a href="#associatedtype.Future-21" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="dev/struct.ConnectionInfo.html" title="struct actix_web::dev::ConnectionInfo">ConnectionInfo</a>, &lt;<a class="struct" href="dev/struct.ConnectionInfo.html" title="struct actix_web::dev::ConnectionInfo">ConnectionInfo</a> as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-PeerAddr" class="impl"><a class="src rightside" href="../src/actix_web/info.rs.html#241-254">source</a><a href="#impl-FromRequest-for-PeerAddr" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="dev/struct.PeerAddr.html" title="struct actix_web::dev::PeerAddr">PeerAddr</a></h3></section></summary><div class="impl-items"><section id="associatedtype.Error-22" class="associatedtype trait-impl"><a href="#associatedtype.Error-22" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = MissingPeerAddr</h4></section><section id="associatedtype.Future-22" class="associatedtype trait-impl"><a href="#associatedtype.Future-22" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="dev/struct.PeerAddr.html" title="struct actix_web::dev::PeerAddr">PeerAddr</a>, &lt;<a class="struct" href="dev/struct.PeerAddr.html" title="struct actix_web::dev::PeerAddr">PeerAddr</a> as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Method" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#301-308">source</a><a href="#impl-FromRequest-for-Method" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="http/struct.Method.html" title="struct actix_web::http::Method">Method</a></h3></section></summary><div class="docblock"><p>Extract the request’s method.</p>
<h4 id="examples-3"><a class="doc-anchor" href="#examples-3">§</a>Examples</h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>actix_web::{http::Method, web, App, Responder};
<span class="kw">async fn </span>handler(method: Method) -&gt; <span class="kw">impl </span>Responder {
<span class="macro">format!</span>(<span class="string">"Request method: {}"</span>, method)
}
<span class="kw">let </span>app = App::new().default_service(web::to(handler));</code></pre></div>
</div><div class="impl-items"><section id="associatedtype.Error-23" class="associatedtype trait-impl"><a href="#associatedtype.Error-23" class="anchor">§</a><h4 class="code-header">type <a href="#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><section id="associatedtype.Future-23" class="associatedtype trait-impl"><a href="#associatedtype.Future-23" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="http/struct.Method.html" title="struct actix_web::http::Method">Method</a>, &lt;<a class="struct" href="http/struct.Method.html" title="struct actix_web::http::Method">Method</a> as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Uri" class="impl"><a class="src rightside" href="../src/actix_web/extract.rs.html#280-287">source</a><a href="#impl-FromRequest-for-Uri" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="http/struct.Uri.html" title="struct actix_web::http::Uri">Uri</a></h3></section></summary><div class="docblock"><p>Extract the request’s URI.</p>
<h4 id="examples-4"><a class="doc-anchor" href="#examples-4">§</a>Examples</h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>actix_web::{http::Uri, web, App, Responder};
<span class="kw">async fn </span>handler(uri: Uri) -&gt; <span class="kw">impl </span>Responder {
<span class="macro">format!</span>(<span class="string">"Requested path: {}"</span>, uri.path())
}
<span class="kw">let </span>app = App::new().default_service(web::to(handler));</code></pre></div>
</div><div class="impl-items"><section id="associatedtype.Error-24" class="associatedtype trait-impl"><a href="#associatedtype.Error-24" class="anchor">§</a><h4 class="code-header">type <a href="#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><section id="associatedtype.Future-24" class="associatedtype trait-impl"><a href="#associatedtype.Future-24" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="http/struct.Uri.html" title="struct actix_web::http::Uri">Uri</a>, &lt;<a class="struct" href="http/struct.Uri.html" title="struct actix_web::http::Uri">Uri</a> as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-HttpRequest" class="impl"><a class="src rightside" href="../src/actix_web/request.rs.html#419-427">source</a><a href="#impl-FromRequest-for-HttpRequest" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a></h3></section></summary><div class="docblock"><p>It is possible to get <code>HttpRequest</code> as an extractor handler parameter</p>
<h4 id="examples-5"><a class="doc-anchor" href="#examples-5">§</a>Examples</h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>actix_web::{web, App, HttpRequest};
<span class="kw">use </span>serde::Deserialize;
<span class="doccomment">/// extract `Thing` from request
</span><span class="kw">async fn </span>index(req: HttpRequest) -&gt; String {
<span class="macro">format!</span>(<span class="string">"Got thing: {:?}"</span>, req)
}
<span class="kw">let </span>app = App::new().service(
web::resource(<span class="string">"/users/{first}"</span>).route(
web::get().to(index))
);</code></pre></div>
</div><div class="impl-items"><section id="associatedtype.Error-25" class="associatedtype trait-impl"><a href="#associatedtype.Error-25" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-25" class="associatedtype trait-impl"><a href="#associatedtype.Future-25" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>, <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Bytes" class="impl"><a class="src rightside" href="../src/actix_web/types/payload.rs.html#158-175">source</a><a href="#impl-FromRequest-for-Bytes" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="web/struct.Bytes.html" title="struct actix_web::web::Bytes">Bytes</a></h3></section></summary><div class="docblock"><p>Extract binary data from a request’s payload.</p>
<p>Collects request payload stream into a <a href="web/struct.Bytes.html" title="struct actix_web::web::Bytes">Bytes</a> instance.</p>
<p>Use <a href="web/struct.PayloadConfig.html" title="struct actix_web::web::PayloadConfig"><code>PayloadConfig</code></a> to configure extraction process.</p>
<h4 id="examples-6"><a class="doc-anchor" href="#examples-6">§</a>Examples</h4>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>actix_web::{post, web};
<span class="doccomment">/// extract binary data from request
</span><span class="attr">#[post(<span class="string">"/"</span>)]
</span><span class="kw">async fn </span>index(body: web::Bytes) -&gt; String {
<span class="macro">format!</span>(<span class="string">"Body {:?}!"</span>, body)
}</code></pre></div>
</div><div class="impl-items"><section id="associatedtype.Error-26" class="associatedtype trait-impl"><a href="#associatedtype.Error-26" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-26" class="associatedtype trait-impl"><a href="#associatedtype.Future-26" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = Either&lt;BytesExtractFut, 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;<a class="struct" href="web/struct.Bytes.html" title="struct actix_web::web::Bytes">Bytes</a>, <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a>&gt;&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Payload" class="impl"><a class="src rightside" href="../src/actix_web/types/payload.rs.html#132-140">source</a><a href="#impl-FromRequest-for-Payload" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="web/struct.Payload.html" title="struct actix_web::web::Payload">Payload</a></h3></section></summary><div class="docblock"><p>See <a href="#Examples">here</a> for example of usage as an extractor.</p>
</div><div class="impl-items"><section id="associatedtype.Error-27" class="associatedtype trait-impl"><a href="#associatedtype.Error-27" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-27" class="associatedtype trait-impl"><a href="#associatedtype.Future-27" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="web/struct.Payload.html" title="struct actix_web::web::Payload">Payload</a>, &lt;<a class="struct" href="web/struct.Payload.html" title="struct actix_web::web::Payload">Payload</a> as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Either%3CL,+R%3E" class="impl"><a class="src rightside" href="../src/actix_web/types/either.rs.html#167-183">source</a><a href="#impl-FromRequest-for-Either%3CL,+R%3E" class="anchor">§</a><h3 class="code-header">impl&lt;L, R&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="enum" href="web/enum.Either.html" title="enum actix_web::web::Either">Either</a>&lt;L, R&gt;<div class="where">where
L: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static,
R: <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> + 'static,</div></h3></section></summary><div class="docblock"><p>See <a href="#extractor">here</a> for example of usage as an extractor.</p>
</div><div class="impl-items"><section id="associatedtype.Error-28" class="associatedtype trait-impl"><a href="#associatedtype.Error-28" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = EitherExtractError&lt;&lt;L as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>, &lt;R as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;</h4></section><section id="associatedtype.Future-28" class="associatedtype trait-impl"><a href="#associatedtype.Future-28" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = EitherExtractFut&lt;L, R&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Form%3CT%3E" class="impl"><a class="src rightside" href="../src/actix_web/types/form.rs.html#124-141">source</a><a href="#impl-FromRequest-for-Form%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="web/struct.Form.html" title="struct actix_web::web::Form">Form</a>&lt;T&gt;<div class="where">where
T: <a class="trait" href="https://docs.rs/serde/1.0.203/serde/de/trait.DeserializeOwned.html" title="trait serde::de::DeserializeOwned">DeserializeOwned</a> + 'static,</div></h3></section></summary><div class="docblock"><p>See <a href="#extractor">here</a> for example of usage as an extractor.</p>
</div><div class="impl-items"><section id="associatedtype.Error-29" class="associatedtype trait-impl"><a href="#associatedtype.Error-29" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-29" class="associatedtype trait-impl"><a href="#associatedtype.Future-29" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = FormExtractFut&lt;T&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Header%3CT%3E" class="impl"><a class="src rightside" href="../src/actix_web/types/header.rs.html#59-73">source</a><a href="#impl-FromRequest-for-Header%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="web/struct.Header.html" title="struct actix_web::web::Header">Header</a>&lt;T&gt;<div class="where">where
T: <a class="trait" href="http/header/trait.Header.html" title="trait actix_web::http::header::Header">ParseHeader</a>,</div></h3></section></summary><div class="impl-items"><section id="associatedtype.Error-30" class="associatedtype trait-impl"><a href="#associatedtype.Error-30" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="error/enum.ParseError.html" title="enum actix_web::error::ParseError">ParseError</a></h4></section><section id="associatedtype.Future-30" class="associatedtype trait-impl"><a href="#associatedtype.Future-30" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="web/struct.Header.html" title="struct actix_web::web::Header">Header</a>&lt;T&gt;, &lt;<a class="struct" href="web/struct.Header.html" title="struct actix_web::web::Header">Header</a>&lt;T&gt; as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Path%3CT%3E" class="impl"><a class="src rightside" href="../src/actix_web/types/path.rs.html#67-100">source</a><a href="#impl-FromRequest-for-Path%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="web/struct.Path.html" title="struct actix_web::web::Path">Path</a>&lt;T&gt;<div class="where">where
T: <a class="trait" href="https://docs.rs/serde/1.0.203/serde/de/trait.DeserializeOwned.html" title="trait serde::de::DeserializeOwned">DeserializeOwned</a>,</div></h3></section></summary><div class="docblock"><p>See <a href="#Examples">here</a> for example of usage as an extractor.</p>
</div><div class="impl-items"><section id="associatedtype.Error-31" class="associatedtype trait-impl"><a href="#associatedtype.Error-31" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-31" class="associatedtype trait-impl"><a href="#associatedtype.Future-31" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="web/struct.Path.html" title="struct actix_web::web::Path">Path</a>&lt;T&gt;, &lt;<a class="struct" href="web/struct.Path.html" title="struct actix_web::web::Path">Path</a>&lt;T&gt; as <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a>&gt;::<a class="associatedtype" href="trait.FromRequest.html#associatedtype.Error" title="type actix_web::FromRequest::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-ReqData%3CT%3E" class="impl"><a class="src rightside" href="../src/actix_web/request_data.rs.html#67-86">source</a><a href="#impl-FromRequest-for-ReqData%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="web/struct.ReqData.html" title="struct actix_web::web::ReqData">ReqData</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><section id="associatedtype.Error-32" class="associatedtype trait-impl"><a href="#associatedtype.Error-32" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-32" class="associatedtype trait-impl"><a href="#associatedtype.Future-32" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="web/struct.ReqData.html" title="struct actix_web::web::ReqData">ReqData</a>&lt;T&gt;, <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Json%3CT%3E" class="impl"><a class="src rightside" href="../src/actix_web/types/json.rs.html#139-158">source</a><a href="#impl-FromRequest-for-Json%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T: <a class="trait" href="https://docs.rs/serde/1.0.203/serde/de/trait.DeserializeOwned.html" title="trait serde::de::DeserializeOwned">DeserializeOwned</a>&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="web/struct.Json.html" title="struct actix_web::web::Json">Json</a>&lt;T&gt;</h3></section></summary><div class="docblock"><p>See <a href="#extractor">here</a> for example of usage as an extractor.</p>
</div><div class="impl-items"><section id="associatedtype.Error-33" class="associatedtype trait-impl"><a href="#associatedtype.Error-33" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-33" class="associatedtype trait-impl"><a href="#associatedtype.Future-33" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" class="associatedtype">Future</a> = JsonExtractFut&lt;T&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Query%3CT%3E" class="impl"><a class="src rightside" href="../src/actix_web/types/query.rs.html#109-139">source</a><a href="#impl-FromRequest-for-Query%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T: <a class="trait" href="https://docs.rs/serde/1.0.203/serde/de/trait.DeserializeOwned.html" title="trait serde::de::DeserializeOwned">DeserializeOwned</a>&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="web/struct.Query.html" title="struct actix_web::web::Query">Query</a>&lt;T&gt;</h3></section></summary><div class="docblock"><p>See <a href="#Examples">here</a> for example of usage as an extractor.</p>
</div><div class="impl-items"><section id="associatedtype.Error-34" class="associatedtype trait-impl"><a href="#associatedtype.Error-34" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-34" class="associatedtype trait-impl"><a href="#associatedtype.Future-34" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="web/struct.Query.html" title="struct actix_web::web::Query">Query</a>&lt;T&gt;, <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a>&gt;&gt;</h4></section></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FromRequest-for-Data%3CT%3E" class="impl"><a class="src rightside" href="../src/actix_web/data.rs.html#160-183">source</a><a href="#impl-FromRequest-for-Data%3CT%3E" class="anchor">§</a><h3 class="code-header">impl&lt;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a> + 'static&gt; <a class="trait" href="trait.FromRequest.html" title="trait actix_web::FromRequest">FromRequest</a> for <a class="struct" href="web/struct.Data.html" title="struct actix_web::web::Data">Data</a>&lt;T&gt;</h3></section></summary><div class="impl-items"><section id="associatedtype.Error-35" class="associatedtype trait-impl"><a href="#associatedtype.Error-35" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Error" class="associatedtype">Error</a> = <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a></h4></section><section id="associatedtype.Future-35" class="associatedtype trait-impl"><a href="#associatedtype.Future-35" class="anchor">§</a><h4 class="code-header">type <a href="#associatedtype.Future" 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;<a class="struct" href="web/struct.Data.html" title="struct actix_web::web::Data">Data</a>&lt;T&gt;, <a class="struct" href="error/struct.Error.html" title="struct actix_web::error::Error">Error</a>&gt;&gt;</h4></section></div></details></div><script src="../trait.impl/actix_web/extract/trait.FromRequest.js" data-ignore-extern-crates="http,core,alloc,bytes,std" async></script></section></div></main></body></html>
Reference in New Issue View Git Blame Copy Permalink