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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="Asynchronous values."><title>futures::future - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-ac92e1bbe349e143.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="futures" data-themes="" data-resource-suffix="" data-rustdoc-version="1.76.0 (07dca489a 2024-02-04)" data-channel="1.76.0" data-search-js="search-2b6ce74ff89ae146.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-f2adc0d6ca4d09fb.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../static.files/main-305769736d49e732.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-feafe1bb7466e4bd.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../futures/index.html">futures</a><span class="version">0.3.28</span></h2></div><h2 class="location"><a href="#">Module future</a></h2><div class="sidebar-elems"><section><ul class="block"><li><a href="#structs">Structs</a></li><li><a href="#enums">Enums</a></li><li><a href="#traits">Traits</a></li><li><a href="#functions">Functions</a></li><li><a href="#types">Type Aliases</a></li></ul></section><h2><a href="../index.html">In crate futures</a></h2></div></nav><div class="sidebar-resizer"></div>
<main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../../futures/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Module <a href="../index.html">futures</a>::<wbr><a class="mod" href="#">future</a><button id="copy-path" title="Copy item path to clipboard"><img src="../../static.files/clipboard-7571035ce49a181d.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="src" href="../../src/futures_util/lib.rs.html#294">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Asynchronous values.</p>
<p>This module contains:</p>
<ul>
<li>The <a href="trait.Future.html" title="trait futures::future::Future"><code>Future</code></a> trait.</li>
<li>The <a href="trait.FutureExt.html" title="trait futures::future::FutureExt"><code>FutureExt</code></a> and <a href="trait.TryFutureExt.html" title="trait futures::future::TryFutureExt"><code>TryFutureExt</code></a> trait, which provides adapters for
chaining and composing futures.</li>
<li>Top-level future combinators like <a href="fn.lazy.html" title="fn futures::future::lazy"><code>lazy</code></a> which creates a future
from a closure that defines its return value, and <a href="fn.ready.html" title="fn futures::future::ready"><code>ready</code></a>,
which constructs a future with an immediate defined value.</li>
</ul>
</div></details><h2 id="structs" class="section-header"><a href="#structs">Structs</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.AbortHandle.html" title="struct futures::future::AbortHandle">AbortHandle</a></div><div class="desc docblock-short">A handle to an <code>Abortable</code> task.</div></li><li><div class="item-name"><a class="struct" href="struct.AbortRegistration.html" title="struct futures::future::AbortRegistration">AbortRegistration</a></div><div class="desc docblock-short">A registration handle for an <code>Abortable</code> task.
Values of this type can be acquired from <code>AbortHandle::new</code> and are used
in calls to <code>Abortable::new</code>.</div></li><li><div class="item-name"><a class="struct" href="struct.Abortable.html" title="struct futures::future::Abortable">Abortable</a></div><div class="desc docblock-short">A future/stream which can be remotely short-circuited using an <code>AbortHandle</code>.</div></li><li><div class="item-name"><a class="struct" href="struct.Aborted.html" title="struct futures::future::Aborted">Aborted</a></div><div class="desc docblock-short">Indicator that the <code>Abortable</code> task was aborted.</div></li><li><div class="item-name"><a class="struct" href="struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.and_then" title="method futures::future::TryFutureExt::and_then"><code>and_then</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.catch_unwind" title="method futures::future::FutureExt::catch_unwind"><code>catch_unwind</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.ErrInto.html" title="struct futures::future::ErrInto">ErrInto</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.err_into" title="method futures::future::TryFutureExt::err_into"><code>err_into</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.flatten" title="method futures::future::FutureExt::flatten"><code>flatten</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.FlattenSink.html" title="struct futures::future::FlattenSink">FlattenSink</a></div><div class="desc docblock-short">Sink for the <a href="trait.TryFutureExt.html#method.flatten_sink" title="method futures::future::TryFutureExt::flatten_sink"><code>flatten_sink</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.FlattenStream.html" title="struct futures::future::FlattenStream">FlattenStream</a></div><div class="desc docblock-short">Stream for the <a href="trait.FutureExt.html#method.flatten_stream" title="method futures::future::FutureExt::flatten_stream"><code>flatten_stream</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.fuse" title="method futures::future::FutureExt::fuse"><code>fuse</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.FutureObj.html" title="struct futures::future::FutureObj">FutureObj</a></div><div class="desc docblock-short">A custom trait object for polling futures, roughly akin to
<code>Box&lt;dyn Future&lt;Output = T&gt; + Send + 'a&gt;</code>.</div></li><li><div class="item-name"><a class="struct" href="struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.inspect" title="method futures::future::FutureExt::inspect"><code>inspect</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.InspectErr.html" title="struct futures::future::InspectErr">InspectErr</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.inspect_err" title="method futures::future::TryFutureExt::inspect_err"><code>inspect_err</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.InspectOk.html" title="struct futures::future::InspectOk">InspectOk</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.inspect_ok" title="method futures::future::TryFutureExt::inspect_ok"><code>inspect_ok</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.into_future" title="method futures::future::TryFutureExt::into_future"><code>into_future</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.IntoStream.html" title="struct futures::future::IntoStream">IntoStream</a></div><div class="desc docblock-short">Stream for the <a href="trait.FutureExt.html#method.into_stream" title="method futures::future::FutureExt::into_stream"><code>into_stream</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.Join.html" title="struct futures::future::Join">Join</a></div><div class="desc docblock-short">Future for the <a href="fn.join.html" title="fn futures::future::join"><code>join</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.Join3.html" title="struct futures::future::Join3">Join3</a></div><div class="desc docblock-short">Future for the <a href="fn.join3.html" title="fn futures::future::join3"><code>join3</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.Join4.html" title="struct futures::future::Join4">Join4</a></div><div class="desc docblock-short">Future for the <a href="fn.join4.html" title="fn futures::future::join4"><code>join4</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.Join5.html" title="struct futures::future::Join5">Join5</a></div><div class="desc docblock-short">Future for the <a href="fn.join5.html" title="fn futures::future::join5"><code>join5</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.JoinAll.html" title="struct futures::future::JoinAll">JoinAll</a></div><div class="desc docblock-short">Future for the <a href="fn.join_all.html" title="fn futures::future::join_all"><code>join_all</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.Lazy.html" title="struct futures::future::Lazy">Lazy</a></div><div class="desc docblock-short">Future for the <a href="fn.lazy.html" title="fn futures::future::lazy"><code>lazy</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.LocalFutureObj.html" title="struct futures::future::LocalFutureObj">LocalFutureObj</a></div><div class="desc docblock-short">A custom trait object for polling futures, roughly akin to
<code>Box&lt;dyn Future&lt;Output = T&gt; + 'a&gt;</code>.</div></li><li><div class="item-name"><a class="struct" href="struct.Map.html" title="struct futures::future::Map">Map</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.map" title="method futures::future::FutureExt::map"><code>map</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.map_err" title="method futures::future::TryFutureExt::map_err"><code>map_err</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.MapInto.html" title="struct futures::future::MapInto">MapInto</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.map_into" title="method futures::future::FutureExt::map_into"><code>map_into</code></a> combinator.</div></li><li><div class="item-name"><a class="struct" href="struct.MapOk.html" title="struct futures::future::MapOk">MapOk</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.map_ok" title="method futures::future::TryFutureExt::map_ok"><code>map_ok</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.MapOkOrElse.html" title="struct futures::future::MapOkOrElse">MapOkOrElse</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.map_ok_or_else" title="method futures::future::TryFutureExt::map_ok_or_else"><code>map_ok_or_else</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.NeverError.html" title="struct futures::future::NeverError">NeverError</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.never_error" title="method futures::future::FutureExt::never_error"><code>never_error</code></a> combinator.</div></li><li><div class="item-name"><a class="struct" href="struct.OkInto.html" title="struct futures::future::OkInto">OkInto</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.ok_into" title="method futures::future::TryFutureExt::ok_into"><code>ok_into</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.OptionFuture.html" title="struct futures::future::OptionFuture">OptionFuture</a></div><div class="desc docblock-short">A future representing a value which may or may not be present.</div></li><li><div class="item-name"><a class="struct" href="struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.or_else" title="method futures::future::TryFutureExt::or_else"><code>or_else</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.Pending.html" title="struct futures::future::Pending">Pending</a></div><div class="desc docblock-short">Future for the <a href="fn.pending.html" title="fn futures::future::pending"><code>pending()</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.PollFn.html" title="struct futures::future::PollFn">PollFn</a></div><div class="desc docblock-short">Future for the <a href="fn.poll_fn.html" title="fn futures::future::poll_fn"><code>poll_fn</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.PollImmediate.html" title="struct futures::future::PollImmediate">PollImmediate</a></div><div class="desc docblock-short">Future for the <a href="fn.poll_immediate.html" title="fn futures::future::poll_immediate"><code>poll_immediate</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.Ready.html" title="struct futures::future::Ready">Ready</a></div><div class="desc docblock-short">Future for the <a href="fn.ready.html" title="fn futures::future::ready"><code>ready</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.Remote.html" title="struct futures::future::Remote">Remote</a></div><div class="desc docblock-short">A future which sends its output to the corresponding <code>RemoteHandle</code>.
Created by <a href="trait.FutureExt.html#method.remote_handle" title="method futures::future::FutureExt::remote_handle"><code>remote_handle</code></a>.</div></li><li><div class="item-name"><a class="struct" href="struct.RemoteHandle.html" title="struct futures::future::RemoteHandle">RemoteHandle</a></div><div class="desc docblock-short">The handle to a remote future returned by
<a href="trait.FutureExt.html#method.remote_handle" title="method futures::future::FutureExt::remote_handle"><code>remote_handle</code></a>. When you drop this,
the remote future will be woken up to be dropped by the executor.</div></li><li><div class="item-name"><a class="struct" href="struct.Select.html" title="struct futures::future::Select">Select</a></div><div class="desc docblock-short">Future for the <a href="fn.select.html" title="fn futures::future::select"><code>select()</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.SelectAll.html" title="struct futures::future::SelectAll">SelectAll</a></div><div class="desc docblock-short">Future for the <a href="fn.select_all.html" title="fn futures::future::select_all"><code>select_all</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.SelectOk.html" title="struct futures::future::SelectOk">SelectOk</a></div><div class="desc docblock-short">Future for the <a href="fn.select_ok.html" title="fn futures::future::select_ok"><code>select_ok</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.Shared.html" title="struct futures::future::Shared">Shared</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.shared" title="method futures::future::FutureExt::shared"><code>shared</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.Then.html" title="struct futures::future::Then">Then</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.then" title="method futures::future::FutureExt::then"><code>then</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.TryFlatten.html" title="struct futures::future::TryFlatten">TryFlatten</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.try_flatten" title="method futures::future::TryFutureExt::try_flatten"><code>try_flatten</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.TryFlattenStream.html" title="struct futures::future::TryFlattenStream">TryFlattenStream</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.try_flatten_stream" title="method futures::future::TryFutureExt::try_flatten_stream"><code>try_flatten_stream</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.TryJoin.html" title="struct futures::future::TryJoin">TryJoin</a></div><div class="desc docblock-short">Future for the <a href="fn.try_join.html" title="fn futures::future::try_join"><code>try_join</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.TryJoin3.html" title="struct futures::future::TryJoin3">TryJoin3</a></div><div class="desc docblock-short">Future for the <a href="fn.try_join3.html" title="fn futures::future::try_join3"><code>try_join3</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.TryJoin4.html" title="struct futures::future::TryJoin4">TryJoin4</a></div><div class="desc docblock-short">Future for the <a href="fn.try_join4.html" title="fn futures::future::try_join4"><code>try_join4</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.TryJoin5.html" title="struct futures::future::TryJoin5">TryJoin5</a></div><div class="desc docblock-short">Future for the <a href="fn.try_join5.html" title="fn futures::future::try_join5"><code>try_join5</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.TryJoinAll.html" title="struct futures::future::TryJoinAll">TryJoinAll</a></div><div class="desc docblock-short">Future for the <a href="fn.try_join_all.html" title="fn futures::future::try_join_all"><code>try_join_all</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.TrySelect.html" title="struct futures::future::TrySelect">TrySelect</a></div><div class="desc docblock-short">Future for the <a href="fn.try_select.html" title="fn futures::future::try_select"><code>try_select()</code></a> function.</div></li><li><div class="item-name"><a class="struct" href="struct.UnitError.html" title="struct futures::future::UnitError">UnitError</a></div><div class="desc docblock-short">Future for the <a href="trait.FutureExt.html#method.unit_error" title="method futures::future::FutureExt::unit_error"><code>unit_error</code></a> combinator.</div></li><li><div class="item-name"><a class="struct" href="struct.UnwrapOrElse.html" title="struct futures::future::UnwrapOrElse">UnwrapOrElse</a></div><div class="desc docblock-short">Future for the <a href="trait.TryFutureExt.html#method.unwrap_or_else" title="method futures::future::TryFutureExt::unwrap_or_else"><code>unwrap_or_else</code></a> method.</div></li><li><div class="item-name"><a class="struct" href="struct.WeakShared.html" title="struct futures::future::WeakShared">WeakShared</a></div><div class="desc docblock-short">A weak reference to a <a href="struct.Shared.html" title="struct futures::future::Shared"><code>Shared</code></a> that can be upgraded much like an <code>Arc</code>.</div></li></ul><h2 id="enums" class="section-header"><a href="#enums">Enums</a></h2><ul class="item-table"><li><div class="item-name"><a class="enum" href="enum.Either.html" title="enum futures::future::Either">Either</a></div><div class="desc docblock-short">Combines two different futures, streams, or sinks having the same associated types into a single type.</div></li><li><div class="item-name"><a class="enum" href="enum.MaybeDone.html" title="enum futures::future::MaybeDone">MaybeDone</a></div><div class="desc docblock-short">A future that may have completed.</div></li><li><div class="item-name"><a class="enum" href="enum.TryMaybeDone.html" title="enum futures::future::TryMaybeDone">TryMaybeDone</a></div><div class="desc docblock-short">A future that may have completed with an error.</div></li></ul><h2 id="traits" class="section-header"><a href="#traits">Traits</a></h2><ul class="item-table"><li><div class="item-name"><a class="trait" href="trait.FusedFuture.html" title="trait futures::future::FusedFuture">FusedFuture</a></div><div class="desc docblock-short">A future which tracks whether or not the underlying future
should no longer be polled.</div></li><li><div class="item-name"><a class="trait" href="trait.Future.html" title="trait futures::future::Future">Future</a></div><div class="desc docblock-short">A future represents an asynchronous computation obtained by use of <a href="../../std/keyword.async.html"><code>async</code></a>.</div></li><li><div class="item-name"><a class="trait" href="trait.FutureExt.html" title="trait futures::future::FutureExt">FutureExt</a></div><div class="desc docblock-short">An extension trait for <code>Future</code>s that provides a variety of convenient
adapters.</div></li><li><div class="item-name"><a class="trait" href="trait.TryFuture.html" title="trait futures::future::TryFuture">TryFuture</a></div><div class="desc docblock-short">A convenience for futures that return <code>Result</code> values that includes
a variety of adapters tailored to such futures.</div></li><li><div class="item-name"><a class="trait" href="trait.TryFutureExt.html" title="trait futures::future::TryFutureExt">TryFutureExt</a></div><div class="desc docblock-short">Adapters specific to <a href="https://doc.rust-lang.org/1.76.0/core/result/enum.Result.html" title="enum core::result::Result"><code>Result</code></a>-returning futures</div></li><li><div class="item-name"><a class="trait" href="trait.UnsafeFutureObj.html" title="trait futures::future::UnsafeFutureObj">UnsafeFutureObj</a></div><div class="desc docblock-short">A custom implementation of a future trait object for <code>FutureObj</code>, providing
a vtable with drop support.</div></li></ul><h2 id="functions" class="section-header"><a href="#functions">Functions</a></h2><ul class="item-table"><li><div class="item-name"><a class="fn" href="fn.abortable.html" title="fn futures::future::abortable">abortable</a></div><div class="desc docblock-short">Creates a new <code>Abortable</code> future and an <code>AbortHandle</code> which can be used to stop it.</div></li><li><div class="item-name"><a class="fn" href="fn.err.html" title="fn futures::future::err">err</a></div><div class="desc docblock-short">Create a future that is immediately ready with an error value.</div></li><li><div class="item-name"><a class="fn" href="fn.join.html" title="fn futures::future::join">join</a></div><div class="desc docblock-short">Joins the result of two futures, waiting for them both to complete.</div></li><li><div class="item-name"><a class="fn" href="fn.join3.html" title="fn futures::future::join3">join3</a></div><div class="desc docblock-short">Same as <a href="fn.join.html" title="fn futures::future::join"><code>join</code></a>, but with more futures.</div></li><li><div class="item-name"><a class="fn" href="fn.join4.html" title="fn futures::future::join4">join4</a></div><div class="desc docblock-short">Same as <a href="fn.join.html" title="fn futures::future::join"><code>join</code></a>, but with more futures.</div></li><li><div class="item-name"><a class="fn" href="fn.join5.html" title="fn futures::future::join5">join5</a></div><div class="desc docblock-short">Same as <a href="fn.join.html" title="fn futures::future::join"><code>join</code></a>, but with more futures.</div></li><li><div class="item-name"><a class="fn" href="fn.join_all.html" title="fn futures::future::join_all">join_all</a></div><div class="desc docblock-short">Creates a future which represents a collection of the outputs of the futures
given.</div></li><li><div class="item-name"><a class="fn" href="fn.lazy.html" title="fn futures::future::lazy">lazy</a></div><div class="desc docblock-short">Creates a new future that allows delayed execution of a closure.</div></li><li><div class="item-name"><a class="fn" href="fn.maybe_done.html" title="fn futures::future::maybe_done">maybe_done</a></div><div class="desc docblock-short">Wraps a future into a <code>MaybeDone</code></div></li><li><div class="item-name"><a class="fn" href="fn.ok.html" title="fn futures::future::ok">ok</a></div><div class="desc docblock-short">Create a future that is immediately ready with a success value.</div></li><li><div class="item-name"><a class="fn" href="fn.pending.html" title="fn futures::future::pending">pending</a></div><div class="desc docblock-short">Creates a future which never resolves, representing a computation that never
finishes.</div></li><li><div class="item-name"><a class="fn" href="fn.poll_fn.html" title="fn futures::future::poll_fn">poll_fn</a></div><div class="desc docblock-short">Creates a new future wrapping around a function returning <a href="../task/enum.Poll.html" title="enum futures::task::Poll"><code>Poll</code></a>.</div></li><li><div class="item-name"><a class="fn" href="fn.poll_immediate.html" title="fn futures::future::poll_immediate">poll_immediate</a></div><div class="desc docblock-short">Creates a future that is immediately ready with an Option of a value.
Specifically this means that <a href="trait.Future.html#tymethod.poll" title="method futures::future::Future::poll">poll</a> always returns <a href="../task/enum.Poll.html#variant.Ready" title="variant futures::task::Poll::Ready">Poll::Ready</a>.</div></li><li><div class="item-name"><a class="fn" href="fn.ready.html" title="fn futures::future::ready">ready</a></div><div class="desc docblock-short">Creates a future that is immediately ready with a value.</div></li><li><div class="item-name"><a class="fn" href="fn.select.html" title="fn futures::future::select">select</a></div><div class="desc docblock-short">Waits for either one of two differently-typed futures to complete.</div></li><li><div class="item-name"><a class="fn" href="fn.select_all.html" title="fn futures::future::select_all">select_all</a></div><div class="desc docblock-short">Creates a new future which will select over a list of futures.</div></li><li><div class="item-name"><a class="fn" href="fn.select_ok.html" title="fn futures::future::select_ok">select_ok</a></div><div class="desc docblock-short">Creates a new future which will select the first successful future over a list of futures.</div></li><li><div class="item-name"><a class="fn" href="fn.try_join.html" title="fn futures::future::try_join">try_join</a></div><div class="desc docblock-short">Joins the result of two futures, waiting for them both to complete or
for one to produce an error.</div></li><li><div class="item-name"><a class="fn" href="fn.try_join3.html" title="fn futures::future::try_join3">try_join3</a></div><div class="desc docblock-short">Same as <a href="fn.try_join.html" title="fn futures::future::try_join"><code>try_join</code></a>, but with more futures.</div></li><li><div class="item-name"><a class="fn" href="fn.try_join4.html" title="fn futures::future::try_join4">try_join4</a></div><div class="desc docblock-short">Same as <a href="fn.try_join.html" title="fn futures::future::try_join"><code>try_join</code></a>, but with more futures.</div></li><li><div class="item-name"><a class="fn" href="fn.try_join5.html" title="fn futures::future::try_join5">try_join5</a></div><div class="desc docblock-short">Same as <a href="fn.try_join.html" title="fn futures::future::try_join"><code>try_join</code></a>, but with more futures.</div></li><li><div class="item-name"><a class="fn" href="fn.try_join_all.html" title="fn futures::future::try_join_all">try_join_all</a></div><div class="desc docblock-short">Creates a future which represents either a collection of the results of the
futures given or an error.</div></li><li><div class="item-name"><a class="fn" href="fn.try_maybe_done.html" title="fn futures::future::try_maybe_done">try_maybe_done</a></div><div class="desc docblock-short">Wraps a future into a <code>TryMaybeDone</code></div></li><li><div class="item-name"><a class="fn" href="fn.try_select.html" title="fn futures::future::try_select">try_select</a></div><div class="desc docblock-short">Waits for either one of two differently-typed futures to complete.</div></li></ul><h2 id="types" class="section-header"><a href="#types">Type Aliases</a></h2><ul class="item-table"><li><div class="item-name"><a class="type" href="type.BoxFuture.html" title="type futures::future::BoxFuture">BoxFuture</a></div><div class="desc docblock-short">An owned dynamically typed <a href="trait.Future.html" title="trait futures::future::Future"><code>Future</code></a> for use in cases where you can’t
statically type your result or need to add some indirection.</div></li><li><div class="item-name"><a class="type" href="type.LocalBoxFuture.html" title="type futures::future::LocalBoxFuture">LocalBoxFuture</a></div><div class="desc docblock-short"><code>BoxFuture</code>, but without the <code>Send</code> requirement.</div></li></ul></section></div></main></body></html>
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