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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `Either` enum in crate `actix_web`."><meta name="keywords" content="rust, rustlang, rust-lang, Either"><title>actix_web::Either - Rust</title><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../dark.css"><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script src="../storage.js"></script></head><body class="rustdoc enum"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><p class='location'>Enum Either</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#variants">Variants</a><div class="sidebar-links"><a href="#variant.A">A</a><a href="#variant.B">B</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Responder">Responder</a><a href="#impl-Future">Future</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a></div></div><p class='location'><a href='index.html'>actix_web</a></p><script>window.sidebarCurrent = {name: 'Either', ty: 'enum', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press S to search, ? for more options…" type="search"><a id="settings-menu" href="../settings.html"><img src="../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Enum <a href='index.html'>actix_web</a>::<wbr><a class="enum" href=''>Either</a></span><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>&#x2212;</span>]</a></span><a class='srclink' href='../src/actix_web/handler.rs.html#90-95' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust enum'>pub enum Either&lt;A, B&gt; {
A(A),
B(B),
}</pre></div><div class='docblock'><p>Combines two different responder types into a single type</p>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">actix_web</span>::{<span class="ident">AsyncResponder</span>, <span class="ident">Either</span>, <span class="ident">Error</span>, <span class="ident">HttpRequest</span>, <span class="ident">HttpResponse</span>};
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::<span class="ident">result</span>;
<span class="kw">type</span> <span class="ident">RegisterResult</span> <span class="op">=</span>
<span class="ident">Either</span><span class="op">&lt;</span><span class="ident">HttpResponse</span>, <span class="ident">Box</span><span class="op">&lt;</span><span class="ident">Future</span><span class="op">&lt;</span><span class="ident">Item</span> <span class="op">=</span> <span class="ident">HttpResponse</span>, <span class="ident">Error</span> <span class="op">=</span> <span class="ident">Error</span><span class="op">&gt;&gt;</span><span class="op">&gt;</span>;
<span class="kw">fn</span> <span class="ident">index</span>(<span class="ident">req</span>: <span class="ident">HttpRequest</span>) <span class="op">-&gt;</span> <span class="ident">RegisterResult</span> {
<span class="kw">if</span> <span class="ident">is_a_variant</span>() {
<span class="comment">// &lt;- choose variant A</span>
<span class="ident">Either</span>::<span class="ident">A</span>(<span class="ident">HttpResponse</span>::<span class="ident">BadRequest</span>().<span class="ident">body</span>(<span class="string">&quot;Bad data&quot;</span>))
} <span class="kw">else</span> {
<span class="ident">Either</span>::<span class="ident">B</span>(
<span class="comment">// &lt;- variant B</span>
<span class="ident">result</span>(<span class="prelude-val">Ok</span>(<span class="ident">HttpResponse</span>::<span class="prelude-val">Ok</span>()
.<span class="ident">content_type</span>(<span class="string">&quot;text/html&quot;</span>)
.<span class="ident">body</span>(<span class="string">&quot;Hello!&quot;</span>)))
.<span class="ident">responder</span>(),
)
}
}</pre>
</div><h2 id='variants' class='variants small-section-header'>
Variants<a href='#variants' class='anchor'></a></h2>
<span id="variant.A" class="variant small-section-header"><a href="#variant.A" class="anchor field"></a><span id='A.v' class='invisible'><code>A(A)</code></span></span><div class='docblock'><p>First branch of the type</p>
</div><span id="variant.B" class="variant small-section-header"><a href="#variant.B" class="anchor field"></a><span id='B.v' class='invisible'><code>B(B)</code></span></span><div class='docblock'><p>Second branch of the type</p>
</div>
<h2 id='implementations' class='small-section-header'>
Trait Implementations<a href='#implementations' class='anchor'></a>
</h2>
<div id='implementations-list'><h3 id='impl-Debug' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;A:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>, B:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="enum" href="../actix_web/enum.Either.html" title="enum actix_web::Either">Either</a>&lt;A, B&gt;</code><a href='#impl-Debug' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/actix_web/handler.rs.html#89' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.fmt' class="method"><span id='fmt.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt' class='fnname'>fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/actix_web/handler.rs.html#89' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
</div></div><h3 id='impl-Responder' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;A, B&gt; <a class="trait" href="../actix_web/trait.Responder.html" title="trait actix_web::Responder">Responder</a> for <a class="enum" href="../actix_web/enum.Either.html" title="enum actix_web::Either">Either</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="../actix_web/trait.Responder.html" title="trait actix_web::Responder">Responder</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="../actix_web/trait.Responder.html" title="trait actix_web::Responder">Responder</a>,&nbsp;</span></code><a href='#impl-Responder' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/actix_web/handler.rs.html#97-119' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='associatedtype.Item' class="type"><span id='Item.t' class='invisible'><code>type <a href='../actix_web/trait.Responder.html#associatedtype.Item' class="type">Item</a> = <a class="struct" href="../actix_web/dev/struct.AsyncResult.html" title="struct actix_web::dev::AsyncResult">AsyncResult</a>&lt;<a class="struct" href="../actix_web/struct.HttpResponse.html" title="struct actix_web::HttpResponse">HttpResponse</a>&gt;</code></span></h4>
<div class='docblock'><p>The associated item which can be returned.</p>
</div><h4 id='associatedtype.Error' class="type"><span id='Error.t' class='invisible'><code>type <a href='../actix_web/trait.Responder.html#associatedtype.Error' class="type">Error</a> = <a class="struct" href="../actix_web/error/struct.Error.html" title="struct actix_web::error::Error">Error</a></code></span></h4>
<div class='docblock'><p>The associated error which can be returned.</p>
</div><h4 id='method.respond_to' class="method"><span id='respond_to.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='../actix_web/trait.Responder.html#tymethod.respond_to' class='fnname'>respond_to</a>&lt;S:&nbsp;'static&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;req: &amp;<a class="struct" href="../actix_web/struct.HttpRequest.html" title="struct actix_web::HttpRequest">HttpRequest</a>&lt;S&gt;<br>) -&gt; <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="../actix_web/dev/struct.AsyncResult.html" title="struct actix_web::dev::AsyncResult">AsyncResult</a>&lt;<a class="struct" href="../actix_web/struct.HttpResponse.html" title="struct actix_web::HttpResponse">HttpResponse</a>&gt;, <a class="struct" href="../actix_web/error/struct.Error.html" title="struct actix_web::error::Error">Error</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/actix_web/handler.rs.html#105-118' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Convert itself to <code>AsyncResult</code> or <code>Error</code>.</p>
</div></div><h3 id='impl-Future' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;A, B, I, E&gt; <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="enum" href="../actix_web/enum.Either.html" title="enum actix_web::Either">Either</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>&lt;Item = I, Error = E&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html" title="trait futures::future::Future">Future</a>&lt;Item = I, Error = E&gt;,&nbsp;</span></code><a href='#impl-Future' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/actix_web/handler.rs.html#121-135' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='associatedtype.Item-1' class="type"><span id='Item.t-1' class='invisible'><code>type <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item' class="type">Item</a> = I</code></span></h4>
<div class='docblock'><p>The type of value that this future will resolved with if it is successful. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item">Read more</a></p>
</div><h4 id='associatedtype.Error-1' class="type"><span id='Error.t-1' class='invisible'><code>type <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error' class="type">Error</a> = E</code></span></h4>
<div class='docblock'><p>The type of error that this future will resolve with if it fails in a normal fashion. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error">Read more</a></p>
</div><h4 id='method.poll' class="method"><span id='poll.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#tymethod.poll' class='fnname'>poll</a>(&amp;mut self) -&gt; <a class="type" href="https://docs.rs/futures/0.1/futures/poll/type.Poll.html" title="type futures::poll::Poll">Poll</a>&lt;I, E&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/actix_web/handler.rs.html#129-134' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Query this future to see if its value has become available, registering interest if it is not. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#tymethod.poll">Read more</a></p>
</div><h4 id='method.wait' class="method"><span id='wait.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.wait' class='fnname'>wait</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#296-300' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Block the current thread until this future is resolved. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.wait">Read more</a></p>
</div><h4 id='method.map' class="method"><span id='map.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.map' class='fnname'>map</a>&lt;F, U&gt;(self, f: F) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/map/struct.Map.html" title="struct futures::future::map::Map">Map</a>&lt;Self, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -&gt; U,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#370-375' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Map this future's result to a different type, returning a new future of the resulting type. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.map">Read more</a></p>
</div><h4 id='method.map_err' class="method"><span id='map_err.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.map_err' class='fnname'>map_err</a>&lt;F, E&gt;(self, f: F) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/map_err/struct.MapErr.html" title="struct futures::future::map_err::MapErr">MapErr</a>&lt;Self, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -&gt; E,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#410-415' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Map this future's error to a different error, returning a new future. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.map_err">Read more</a></p>
</div><h4 id='method.from_err' class="method"><span id='from_err.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.from_err' class='fnname'>from_err</a>&lt;E&gt;(self) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/from_err/struct.FromErr.html" title="struct futures::future::from_err::FromErr">FromErr</a>&lt;Self, E&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;E: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#440-444' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Map this future's error to any error implementing <code>From</code> for this future's <code>Error</code>, returning a new future. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.from_err">Read more</a></p>
</div><h4 id='method.then' class="method"><span id='then.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.then' class='fnname'>then</a>&lt;F, B&gt;(self, f: F) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/then/struct.Then.html" title="struct futures::future::then::Then">Then</a>&lt;Self, B, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;) -&gt; B,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#484-490' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Chain on a computation for when a future finished, passing the result of the future to the provided closure <code>f</code>. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.then">Read more</a></p>
</div><h4 id='method.and_then' class="method"><span id='and_then.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.and_then' class='fnname'>and_then</a>&lt;F, B&gt;(self, f: F) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/and_then/struct.AndThen.html" title="struct futures::future::and_then::AndThen">AndThen</a>&lt;Self, B, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>) -&gt; B,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#525-531' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Execute another future after this one has resolved successfully. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.and_then">Read more</a></p>
</div><h4 id='method.or_else' class="method"><span id='or_else.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.or_else' class='fnname'>or_else</a>&lt;F, B&gt;(self, f: F) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/or_else/struct.OrElse.html" title="struct futures::future::or_else::OrElse">OrElse</a>&lt;Self, B, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Item = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>) -&gt; B,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#566-572' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Execute another future if this one resolves with an error. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.or_else">Read more</a></p>
</div><h4 id='method.select' class="method"><span id='select.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.select' class='fnname'>select</a>&lt;B&gt;(self, other: B) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/select/struct.Select.html" title="struct futures::future::select::Select">Select</a>&lt;Self, &lt;B as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Item = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>, Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#624-631' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Waits for either one of two futures to complete. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.select">Read more</a></p>
</div><h4 id='method.select2' class="method"><span id='select2.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.select2' class='fnname'>select2</a>&lt;B&gt;(self, other: B) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/select2/struct.Select2.html" title="struct futures::future::select2::Select2">Select2</a>&lt;Self, &lt;B as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#670-674' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Waits for either one of two differently-typed futures to complete. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.select2">Read more</a></p>
</div><h4 id='method.join' class="method"><span id='join.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.join' class='fnname'>join</a>&lt;B&gt;(self, other: B) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/join/struct.Join.html" title="struct futures::future::join::Join">Join</a>&lt;Self, &lt;B as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#715-721' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Joins the result of two futures, waiting for them both to complete. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.join">Read more</a></p>
</div><h4 id='method.join3' class="method"><span id='join3.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.join3' class='fnname'>join3</a>&lt;B, C&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;b: B, <br>&nbsp;&nbsp;&nbsp;&nbsp;c: C<br>) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/join/struct.Join3.html" title="struct futures::future::join::Join3">Join3</a>&lt;Self, &lt;B as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, &lt;C as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;C: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#724-730' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Same as <code>join</code>, but with more futures.</p>
</div><h4 id='method.join4' class="method"><span id='join4.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.join4' class='fnname'>join4</a>&lt;B, C, D&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;b: B, <br>&nbsp;&nbsp;&nbsp;&nbsp;c: C, <br>&nbsp;&nbsp;&nbsp;&nbsp;d: D<br>) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/join/struct.Join4.html" title="struct futures::future::join::Join4">Join4</a>&lt;Self, &lt;B as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, &lt;C as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, &lt;D as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;C: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;D: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#733-741' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Same as <code>join</code>, but with more futures.</p>
</div><h4 id='method.join5' class="method"><span id='join5.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.join5' class='fnname'>join5</a>&lt;B, C, D, E&gt;(<br>&nbsp;&nbsp;&nbsp;&nbsp;self, <br>&nbsp;&nbsp;&nbsp;&nbsp;b: B, <br>&nbsp;&nbsp;&nbsp;&nbsp;c: C, <br>&nbsp;&nbsp;&nbsp;&nbsp;d: D, <br>&nbsp;&nbsp;&nbsp;&nbsp;e: E<br>) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/join/struct.Join5.html" title="struct futures::future::join::Join5">Join5</a>&lt;Self, &lt;B as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, &lt;C as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, &lt;D as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>, &lt;E as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;C: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;D: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,<br>&nbsp;&nbsp;&nbsp;&nbsp;E: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&lt;Error = Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#744-754' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Same as <code>join</code>, but with more futures.</p>
</div><h4 id='method.into_stream' class="method"><span id='into_stream.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.into_stream' class='fnname'>into_stream</a>(self) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/into_stream/struct.IntoStream.html" title="struct futures::future::into_stream::IntoStream">IntoStream</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#777-781' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Convert this future into a single element stream. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.into_stream">Read more</a></p>
</div><h4 id='method.flatten' class="method"><span id='flatten.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.flatten' class='fnname'>flatten</a>(self) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/flatten/struct.Flatten.html" title="struct futures::future::flatten::Flatten">Flatten</a>&lt;Self&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.IntoFuture.html#associatedtype.Error" title="type futures::future::IntoFuture::Error">Error</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>&gt;,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#819-829' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Flatten the execution of this future when the successful result of this future is itself another future. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.flatten">Read more</a></p>
</div><h4 id='method.flatten_stream' class="method"><span id='flatten_stream.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.flatten_stream' class='fnname'>flatten_stream</a>(self) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/flatten_stream/struct.FlattenStream.html" title="struct futures::future::flatten_stream::FlattenStream">FlattenStream</a>&lt;Self&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>: <a class="trait" href="https://docs.rs/futures/0.1/futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;&lt;Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a> as <a class="trait" href="https://docs.rs/futures/0.1/futures/stream/trait.Stream.html" title="trait futures::stream::Stream">Stream</a>&gt;::<a class="type" href="https://docs.rs/futures/0.1/futures/stream/trait.Stream.html#associatedtype.Error" title="type futures::stream::Stream::Error">Error</a> == Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Error" title="type futures::future::Future::Error">Error</a>,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#859-864' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Flatten the execution of this future when the successful result of this future is a stream. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.flatten_stream">Read more</a></p>
</div><h4 id='method.fuse' class="method"><span id='fuse.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.fuse' class='fnname'>fuse</a>(self) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/fuse/struct.Fuse.html" title="struct futures::future::fuse::Fuse">Fuse</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#899-904' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Fuse a future such that <code>poll</code> will never again be called once it has completed. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.fuse">Read more</a></p>
</div><h4 id='method.inspect' class="method"><span id='inspect.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.inspect' class='fnname'>inspect</a>&lt;F&gt;(self, f: F) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/inspect/struct.Inspect.html" title="struct futures::future::inspect::Inspect">Inspect</a>&lt;Self, F&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&amp;Self::<a class="type" href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#associatedtype.Item" title="type futures::future::Future::Item">Item</a>),&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#922-927' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Do something with the item of a future, passing it on. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.inspect">Read more</a></p>
</div><h4 id='method.catch_unwind' class="method"><span id='catch_unwind.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.catch_unwind' class='fnname'>catch_unwind</a>(self) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/catch_unwind/struct.CatchUnwind.html" title="struct futures::future::catch_unwind::CatchUnwind">CatchUnwind</a>&lt;Self&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;Self: <a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a>,&nbsp;</span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#961-965' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Catches unwinding panics while polling the future. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.catch_unwind">Read more</a></p>
</div><h4 id='method.shared' class="method"><span id='shared.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.shared' class='fnname'>shared</a>(self) -&gt; <a class="struct" href="https://docs.rs/futures/0.1/futures/future/shared/struct.Shared.html" title="struct futures::future::shared::Shared">Shared</a>&lt;Self&gt;</code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='https://docs.rs/futures/0.1/src/futures/future/mod.rs.html#1010-1014' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Create a cloneable handle to this future where all handles will resolve to the same result. <a href="https://docs.rs/futures/0.1/futures/future/trait.Future.html#method.shared">Read more</a></p>
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<h3 id='impl-Send' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;A, B&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="enum" href="../actix_web/enum.Either.html" title="enum actix_web::Either">Either</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,&nbsp;</span></code><a href='#impl-Send' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div><h3 id='impl-Sync' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl&lt;A, B&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="enum" href="../actix_web/enum.Either.html" title="enum actix_web::Either">Either</a>&lt;A, B&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;B: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,&nbsp;</span></code><a href='#impl-Sync' class='anchor'></a></span></td><td><span class='out-of-band'></span></td></tr></tbody></table></h3><div class='impl-items'></div></div></section><section id="search" class="content hidden"></section><section class="footer"></section><aside id="help" class="hidden"><div><h1 class="hidden">Help</h1><div class="shortcuts"><h2>Keyboard Shortcuts</h2><dl><dt><kbd>?</kbd></dt><dd>Show this help dialog</dd><dt><kbd>S</kbd></dt><dd>Focus the search field</dd><dt><kbd></kbd></dt><dd>Move up in search results</dd><dt><kbd></kbd></dt><dd>Move down in search results</dd><dt><kbd></kbd></dt><dd>Switch tab</dd><dt><kbd>&#9166;</kbd></dt><dd>Go to active search result</dd><dt><kbd>+</kbd></dt><dd>Expand all sections</dd><dt><kbd>-</kbd></dt><dd>Collapse all sections</dd></dl></div><div class="infos"><h2>Search Tricks</h2><p>Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type.</p><p>Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>.</p><p>Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>)</p><p>Search multiple things at once by splitting your query with comma (e.g. <code>str,u8</code> or <code>String,struct:Vec,test</code>)</p></div></div></aside><script>window.rootPath = "../";window.currentCrate = "actix_web";</script><script src="../aliases.js"></script><script src="../main.js"></script><script defer src="../search-index.js"></script></body></html>