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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_util::future - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="futures_util" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.1 (01f6ddf75 2026-02-11) (Arch Linux rust 1:1.93.1-1)" data-channel="1.93.1" data-search-js="search-9e2438ea.js" data-stringdex-js="stringdex-a3946164.js" data-settings-js="settings-c38705f0.js" ><script src="../../static.files/storage-e2aeef58.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../static.files/main-a410ff4d.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.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]--><rustdoc-topbar><h2><a href="#">Module future</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../futures_util/index.html">futures_<wbr>util</a><span class="version">0.3.32</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Module future</a></h2><h3><a href="#reexports">Module Items</a></h3><ul class="block"><li><a href="#reexports" title="Re-exports">Re-exports</a></li><li><a href="#structs" title="Structs">Structs</a></li><li><a href="#enums" title="Enums">Enums</a></li><li><a href="#traits" title="Traits">Traits</a></li><li><a href="#functions" title="Functions">Functions</a></li><li><a href="#types" title="Type Aliases">Type Aliases</a></li></ul></section><div id="rustdoc-modnav"><h2 class="in-crate"><a href="../index.html">In crate futures_<wbr>util</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../index.html">futures_util</a></div><h1>Module <span>future</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../src/futures_util/future/mod.rs.html#1-134">Source</a> </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="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future</code></a> trait.</li>
<li>The <a href="trait.FutureExt.html" title="trait futures_util::future::FutureExt"><code>FutureExt</code></a> and <a href="trait.TryFutureExt.html" title="trait futures_util::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_util::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_util::future::ready"><code>ready</code></a>,
which constructs a future with an immediate defined value.</li>
</ul>
</div></details><h2 id="reexports" class="section-header">Re-exports<a href="#reexports" class="anchor">§</a></h2><dl class="item-table reexports"><dt id="reexport.Future"><code>pub use core::future::<a class="trait" href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>;</code></dt></dl><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><dl class="item-table"><dt><a class="struct" href="struct.AbortHandle.html" title="struct futures_util::future::AbortHandle">Abort<wbr>Handle</a></dt><dd>A handle to an <code>Abortable</code> task.</dd><dt><a class="struct" href="struct.AbortRegistration.html" title="struct futures_util::future::AbortRegistration">Abort<wbr>Registration</a></dt><dd>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>.</dd><dt><a class="struct" href="struct.Abortable.html" title="struct futures_util::future::Abortable">Abortable</a></dt><dd>A future/stream which can be remotely short-circuited using an <code>AbortHandle</code>.</dd><dt><a class="struct" href="struct.Aborted.html" title="struct futures_util::future::Aborted">Aborted</a></dt><dd>Indicator that the <code>Abortable</code> task was aborted.</dd><dt><a class="struct" href="struct.AlwaysReady.html" title="struct futures_util::future::AlwaysReady">Always<wbr>Ready</a></dt><dd>Future for the <a href="fn.always_ready.html" title="fn futures_util::future::always_ready"><code>always_ready</code></a> function.</dd><dt><a class="struct" href="struct.AndThen.html" title="struct futures_util::future::AndThen">AndThen</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.and_then" title="method futures_util::future::TryFutureExt::and_then"><code>and_then</code></a> method.</dd><dt><a class="struct" href="struct.CatchUnwind.html" title="struct futures_util::future::CatchUnwind">Catch<wbr>Unwind</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.catch_unwind" title="method futures_util::future::FutureExt::catch_unwind"><code>catch_unwind</code></a> method.</dd><dt><a class="struct" href="struct.ErrInto.html" title="struct futures_util::future::ErrInto">ErrInto</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.err_into" title="method futures_util::future::TryFutureExt::err_into"><code>err_into</code></a> method.</dd><dt><a class="struct" href="struct.Flatten.html" title="struct futures_util::future::Flatten">Flatten</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.flatten" title="method futures_util::future::FutureExt::flatten"><code>flatten</code></a> method.</dd><dt><a class="struct" href="struct.FlattenSink.html" title="struct futures_util::future::FlattenSink">Flatten<wbr>Sink</a></dt><dd>Sink for the <a href="trait.TryFutureExt.html#method.flatten_sink" title="method futures_util::future::TryFutureExt::flatten_sink"><code>flatten_sink</code></a> method.</dd><dt><a class="struct" href="struct.FlattenStream.html" title="struct futures_util::future::FlattenStream">Flatten<wbr>Stream</a></dt><dd>Stream for the <a href="trait.FutureExt.html#method.flatten_stream" title="method futures_util::future::FutureExt::flatten_stream"><code>flatten_stream</code></a> method.</dd><dt><a class="struct" href="struct.Fuse.html" title="struct futures_util::future::Fuse">Fuse</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.fuse" title="method futures_util::future::FutureExt::fuse"><code>fuse</code></a> method.</dd><dt><a class="struct" href="struct.FutureObj.html" title="struct futures_util::future::FutureObj">Future<wbr>Obj</a></dt><dd>A custom trait object for polling futures, roughly akin to
<code>Box&lt;dyn Future&lt;Output = T&gt; + Send + 'a&gt;</code>.</dd><dt><a class="struct" href="struct.Inspect.html" title="struct futures_util::future::Inspect">Inspect</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.inspect" title="method futures_util::future::FutureExt::inspect"><code>inspect</code></a> method.</dd><dt><a class="struct" href="struct.InspectErr.html" title="struct futures_util::future::InspectErr">Inspect<wbr>Err</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.inspect_err" title="method futures_util::future::TryFutureExt::inspect_err"><code>inspect_err</code></a> method.</dd><dt><a class="struct" href="struct.InspectOk.html" title="struct futures_util::future::InspectOk">Inspect<wbr>Ok</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.inspect_ok" title="method futures_util::future::TryFutureExt::inspect_ok"><code>inspect_ok</code></a> method.</dd><dt><a class="struct" href="struct.IntoFuture.html" title="struct futures_util::future::IntoFuture">Into<wbr>Future</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.into_future" title="method futures_util::future::TryFutureExt::into_future"><code>into_future</code></a> method.</dd><dt><a class="struct" href="struct.IntoStream.html" title="struct futures_util::future::IntoStream">Into<wbr>Stream</a></dt><dd>Stream for the <a href="trait.FutureExt.html#method.into_stream" title="method futures_util::future::FutureExt::into_stream"><code>into_stream</code></a> method.</dd><dt><a class="struct" href="struct.Join.html" title="struct futures_util::future::Join">Join</a></dt><dd>Future for the <a href="fn.join.html" title="fn futures_util::future::join"><code>join</code></a> function.</dd><dt><a class="struct" href="struct.Join3.html" title="struct futures_util::future::Join3">Join3</a></dt><dd>Future for the <a href="fn.join3.html" title="fn futures_util::future::join3"><code>join3</code></a> function.</dd><dt><a class="struct" href="struct.Join4.html" title="struct futures_util::future::Join4">Join4</a></dt><dd>Future for the <a href="fn.join4.html" title="fn futures_util::future::join4"><code>join4</code></a> function.</dd><dt><a class="struct" href="struct.Join5.html" title="struct futures_util::future::Join5">Join5</a></dt><dd>Future for the <a href="fn.join5.html" title="fn futures_util::future::join5"><code>join5</code></a> function.</dd><dt><a class="struct" href="struct.JoinAll.html" title="struct futures_util::future::JoinAll">JoinAll</a></dt><dd>Future for the <a href="fn.join_all.html" title="fn futures_util::future::join_all"><code>join_all</code></a> function.</dd><dt><a class="struct" href="struct.Lazy.html" title="struct futures_util::future::Lazy">Lazy</a></dt><dd>Future for the <a href="fn.lazy.html" title="fn futures_util::future::lazy"><code>lazy</code></a> function.</dd><dt><a class="struct" href="struct.LocalFutureObj.html" title="struct futures_util::future::LocalFutureObj">Local<wbr>Future<wbr>Obj</a></dt><dd>A custom trait object for polling futures, roughly akin to
<code>Box&lt;dyn Future&lt;Output = T&gt; + 'a&gt;</code>.</dd><dt><a class="struct" href="struct.Map.html" title="struct futures_util::future::Map">Map</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.map" title="method futures_util::future::FutureExt::map"><code>map</code></a> method.</dd><dt><a class="struct" href="struct.MapErr.html" title="struct futures_util::future::MapErr">MapErr</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.map_err" title="method futures_util::future::TryFutureExt::map_err"><code>map_err</code></a> method.</dd><dt><a class="struct" href="struct.MapInto.html" title="struct futures_util::future::MapInto">MapInto</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.map_into" title="method futures_util::future::FutureExt::map_into"><code>map_into</code></a> combinator.</dd><dt><a class="struct" href="struct.MapOk.html" title="struct futures_util::future::MapOk">MapOk</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.map_ok" title="method futures_util::future::TryFutureExt::map_ok"><code>map_ok</code></a> method.</dd><dt><a class="struct" href="struct.MapOkOrElse.html" title="struct futures_util::future::MapOkOrElse">MapOk<wbr>OrElse</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.map_ok_or_else" title="method futures_util::future::TryFutureExt::map_ok_or_else"><code>map_ok_or_else</code></a> method.</dd><dt><a class="struct" href="struct.NeverError.html" title="struct futures_util::future::NeverError">Never<wbr>Error</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.never_error" title="method futures_util::future::FutureExt::never_error"><code>never_error</code></a> combinator.</dd><dt><a class="struct" href="struct.OkInto.html" title="struct futures_util::future::OkInto">OkInto</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.ok_into" title="method futures_util::future::TryFutureExt::ok_into"><code>ok_into</code></a> method.</dd><dt><a class="struct" href="struct.OptionFuture.html" title="struct futures_util::future::OptionFuture">Option<wbr>Future</a></dt><dd>A future representing a value which may or may not be present.</dd><dt><a class="struct" href="struct.OrElse.html" title="struct futures_util::future::OrElse">OrElse</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.or_else" title="method futures_util::future::TryFutureExt::or_else"><code>or_else</code></a> method.</dd><dt><a class="struct" href="struct.Pending.html" title="struct futures_util::future::Pending">Pending</a></dt><dd>Future for the <a href="fn.pending.html" title="fn futures_util::future::pending"><code>pending()</code></a> function.</dd><dt><a class="struct" href="struct.PollFn.html" title="struct futures_util::future::PollFn">PollFn</a></dt><dd>Future for the <a href="fn.poll_fn.html" title="fn futures_util::future::poll_fn"><code>poll_fn</code></a> function.</dd><dt><a class="struct" href="struct.PollImmediate.html" title="struct futures_util::future::PollImmediate">Poll<wbr>Immediate</a></dt><dd>Future for the <a href="fn.poll_immediate.html" title="fn futures_util::future::poll_immediate"><code>poll_immediate</code></a> function.</dd><dt><a class="struct" href="struct.Ready.html" title="struct futures_util::future::Ready">Ready</a></dt><dd>Future for the <a href="fn.ready.html" title="fn futures_util::future::ready"><code>ready</code></a> function.</dd><dt><a class="struct" href="struct.Remote.html" title="struct futures_util::future::Remote">Remote</a></dt><dd>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_util::future::FutureExt::remote_handle"><code>remote_handle</code></a>.</dd><dt><a class="struct" href="struct.RemoteHandle.html" title="struct futures_util::future::RemoteHandle">Remote<wbr>Handle</a></dt><dd>The handle to a remote future returned by
<a href="trait.FutureExt.html#method.remote_handle" title="method futures_util::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.</dd><dt><a class="struct" href="struct.Select.html" title="struct futures_util::future::Select">Select</a></dt><dd>Future for the <a href="fn.select.html" title="fn futures_util::future::select"><code>select()</code></a> function.</dd><dt><a class="struct" href="struct.SelectAll.html" title="struct futures_util::future::SelectAll">Select<wbr>All</a></dt><dd>Future for the <a href="fn.select_all.html" title="fn futures_util::future::select_all"><code>select_all</code></a> function.</dd><dt><a class="struct" href="struct.SelectOk.html" title="struct futures_util::future::SelectOk">Select<wbr>Ok</a></dt><dd>Future for the <a href="fn.select_ok.html" title="fn futures_util::future::select_ok"><code>select_ok</code></a> function.</dd><dt><a class="struct" href="struct.Shared.html" title="struct futures_util::future::Shared">Shared</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.shared" title="method futures_util::future::FutureExt::shared"><code>shared</code></a> method.</dd><dt><a class="struct" href="struct.Then.html" title="struct futures_util::future::Then">Then</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.then" title="method futures_util::future::FutureExt::then"><code>then</code></a> method.</dd><dt><a class="struct" href="struct.TryFlatten.html" title="struct futures_util::future::TryFlatten">TryFlatten</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.try_flatten" title="method futures_util::future::TryFutureExt::try_flatten"><code>try_flatten</code></a> method.</dd><dt><a class="struct" href="struct.TryFlattenStream.html" title="struct futures_util::future::TryFlattenStream">TryFlatten<wbr>Stream</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.try_flatten_stream" title="method futures_util::future::TryFutureExt::try_flatten_stream"><code>try_flatten_stream</code></a> method.</dd><dt><a class="struct" href="struct.TryJoin.html" title="struct futures_util::future::TryJoin">TryJoin</a></dt><dd>Future for the <a href="fn.try_join.html" title="fn futures_util::future::try_join"><code>try_join</code></a> function.</dd><dt><a class="struct" href="struct.TryJoin3.html" title="struct futures_util::future::TryJoin3">TryJoin3</a></dt><dd>Future for the <a href="fn.try_join3.html" title="fn futures_util::future::try_join3"><code>try_join3</code></a> function.</dd><dt><a class="struct" href="struct.TryJoin4.html" title="struct futures_util::future::TryJoin4">TryJoin4</a></dt><dd>Future for the <a href="fn.try_join4.html" title="fn futures_util::future::try_join4"><code>try_join4</code></a> function.</dd><dt><a class="struct" href="struct.TryJoin5.html" title="struct futures_util::future::TryJoin5">TryJoin5</a></dt><dd>Future for the <a href="fn.try_join5.html" title="fn futures_util::future::try_join5"><code>try_join5</code></a> function.</dd><dt><a class="struct" href="struct.TryJoinAll.html" title="struct futures_util::future::TryJoinAll">TryJoin<wbr>All</a></dt><dd>Future for the <a href="fn.try_join_all.html" title="fn futures_util::future::try_join_all"><code>try_join_all</code></a> function.</dd><dt><a class="struct" href="struct.TrySelect.html" title="struct futures_util::future::TrySelect">TrySelect</a></dt><dd>Future for the <a href="fn.try_select.html" title="fn futures_util::future::try_select"><code>try_select()</code></a> function.</dd><dt><a class="struct" href="struct.UnitError.html" title="struct futures_util::future::UnitError">Unit<wbr>Error</a></dt><dd>Future for the <a href="trait.FutureExt.html#method.unit_error" title="method futures_util::future::FutureExt::unit_error"><code>unit_error</code></a> combinator.</dd><dt><a class="struct" href="struct.UnwrapOrElse.html" title="struct futures_util::future::UnwrapOrElse">Unwrap<wbr>OrElse</a></dt><dd>Future for the <a href="trait.TryFutureExt.html#method.unwrap_or_else" title="method futures_util::future::TryFutureExt::unwrap_or_else"><code>unwrap_or_else</code></a> method.</dd><dt><a class="struct" href="struct.WeakShared.html" title="struct futures_util::future::WeakShared">Weak<wbr>Shared</a></dt><dd>A weak reference to a <a href="struct.Shared.html" title="struct futures_util::future::Shared"><code>Shared</code></a> that can be upgraded much like an <code>Arc</code>.</dd></dl><h2 id="enums" class="section-header">Enums<a href="#enums" class="anchor">§</a></h2><dl class="item-table"><dt><a class="enum" href="enum.Either.html" title="enum futures_util::future::Either">Either</a></dt><dd>Combines two different futures, streams, or sinks having the same associated types into a single type.</dd><dt><a class="enum" href="enum.MaybeDone.html" title="enum futures_util::future::MaybeDone">Maybe<wbr>Done</a></dt><dd>A future that may have completed.</dd><dt><a class="enum" href="enum.TryMaybeDone.html" title="enum futures_util::future::TryMaybeDone">TryMaybe<wbr>Done</a></dt><dd>A future that may have completed with an error.</dd></dl><h2 id="traits" class="section-header">Traits<a href="#traits" class="anchor">§</a></h2><dl class="item-table"><dt><a class="trait" href="trait.FusedFuture.html" title="trait futures_util::future::FusedFuture">Fused<wbr>Future</a></dt><dd>A future which tracks whether or not the underlying future
should no longer be polled.</dd><dt><a class="trait" href="trait.FutureExt.html" title="trait futures_util::future::FutureExt">Future<wbr>Ext</a></dt><dd>An extension trait for <code>Future</code>s that provides a variety of convenient
adapters.</dd><dt><a class="trait" href="trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a></dt><dd>A convenience for futures that return <code>Result</code> values that includes
a variety of adapters tailored to such futures.</dd><dt><a class="trait" href="trait.TryFutureExt.html" title="trait futures_util::future::TryFutureExt">TryFuture<wbr>Ext</a></dt><dd>Adapters specific to <a href="https://doc.rust-lang.org/1.93.1/core/result/enum.Result.html" title="enum core::result::Result"><code>Result</code></a>-returning futures</dd><dt><a class="trait" href="trait.UnsafeFutureObj.html" title="trait futures_util::future::UnsafeFutureObj">Unsafe<wbr>Future<wbr>Obj</a></dt><dd>A custom implementation of a future trait object for <code>FutureObj</code>, providing
a vtable with drop support.</dd></dl><h2 id="functions" class="section-header">Functions<a href="#functions" class="anchor">§</a></h2><dl class="item-table"><dt><a class="fn" href="fn.abortable.html" title="fn futures_util::future::abortable">abortable</a></dt><dd>Creates a new <code>Abortable</code> future and an <code>AbortHandle</code> which can be used to stop it.</dd><dt><a class="fn" href="fn.always_ready.html" title="fn futures_util::future::always_ready">always_<wbr>ready</a></dt><dd>Creates a future that is always immediately ready with a value.</dd><dt><a class="fn" href="fn.err.html" title="fn futures_util::future::err">err</a></dt><dd>Create a future that is immediately ready with an error value.</dd><dt><a class="fn" href="fn.join.html" title="fn futures_util::future::join">join</a></dt><dd>Joins the result of two futures, waiting for them both to complete.</dd><dt><a class="fn" href="fn.join3.html" title="fn futures_util::future::join3">join3</a></dt><dd>Same as <a href="fn.join.html" title="fn futures_util::future::join"><code>join</code></a>, but with more futures.</dd><dt><a class="fn" href="fn.join4.html" title="fn futures_util::future::join4">join4</a></dt><dd>Same as <a href="fn.join.html" title="fn futures_util::future::join"><code>join</code></a>, but with more futures.</dd><dt><a class="fn" href="fn.join5.html" title="fn futures_util::future::join5">join5</a></dt><dd>Same as <a href="fn.join.html" title="fn futures_util::future::join"><code>join</code></a>, but with more futures.</dd><dt><a class="fn" href="fn.join_all.html" title="fn futures_util::future::join_all">join_<wbr>all</a></dt><dd>Creates a future which represents a collection of the outputs of the futures
given.</dd><dt><a class="fn" href="fn.lazy.html" title="fn futures_util::future::lazy">lazy</a></dt><dd>Creates a new future that allows delayed execution of a closure.</dd><dt><a class="fn" href="fn.maybe_done.html" title="fn futures_util::future::maybe_done">maybe_<wbr>done</a></dt><dd>Wraps a future into a <code>MaybeDone</code></dd><dt><a class="fn" href="fn.ok.html" title="fn futures_util::future::ok">ok</a></dt><dd>Create a future that is immediately ready with a success value.</dd><dt><a class="fn" href="fn.pending.html" title="fn futures_util::future::pending">pending</a></dt><dd>Creates a future which never resolves, representing a computation that never
finishes.</dd><dt><a class="fn" href="fn.poll_fn.html" title="fn futures_util::future::poll_fn">poll_fn</a></dt><dd>Creates a new future wrapping around a function returning <a href="https://doc.rust-lang.org/1.93.1/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll"><code>Poll</code></a>.</dd><dt><a class="fn" href="fn.poll_immediate.html" title="fn futures_util::future::poll_immediate">poll_<wbr>immediate</a></dt><dd>Creates a future that is immediately ready with an Option of a value.
Specifically this means that <a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html#tymethod.poll" title="method core::future::future::Future::poll">poll</a> always returns <a href="https://doc.rust-lang.org/1.93.1/core/task/poll/enum.Poll.html#variant.Ready" title="variant core::task::poll::Poll::Ready">Poll::Ready</a>.</dd><dt><a class="fn" href="fn.ready.html" title="fn futures_util::future::ready">ready</a></dt><dd>Creates a future that is immediately ready with a value.</dd><dt><a class="fn" href="fn.select.html" title="fn futures_util::future::select">select</a></dt><dd>Waits for either one of two differently-typed futures to complete.</dd><dt><a class="fn" href="fn.select_all.html" title="fn futures_util::future::select_all">select_<wbr>all</a></dt><dd>Creates a new future which will select over a list of futures.</dd><dt><a class="fn" href="fn.select_ok.html" title="fn futures_util::future::select_ok">select_<wbr>ok</a></dt><dd>Creates a new future which will select the first successful future over a list of futures.</dd><dt><a class="fn" href="fn.try_join.html" title="fn futures_util::future::try_join">try_<wbr>join</a></dt><dd>Joins the result of two futures, waiting for them both to complete or
for one to produce an error.</dd><dt><a class="fn" href="fn.try_join3.html" title="fn futures_util::future::try_join3">try_<wbr>join3</a></dt><dd>Same as <a href="fn.try_join.html" title="fn futures_util::future::try_join"><code>try_join</code></a>, but with more futures.</dd><dt><a class="fn" href="fn.try_join4.html" title="fn futures_util::future::try_join4">try_<wbr>join4</a></dt><dd>Same as <a href="fn.try_join.html" title="fn futures_util::future::try_join"><code>try_join</code></a>, but with more futures.</dd><dt><a class="fn" href="fn.try_join5.html" title="fn futures_util::future::try_join5">try_<wbr>join5</a></dt><dd>Same as <a href="fn.try_join.html" title="fn futures_util::future::try_join"><code>try_join</code></a>, but with more futures.</dd><dt><a class="fn" href="fn.try_join_all.html" title="fn futures_util::future::try_join_all">try_<wbr>join_<wbr>all</a></dt><dd>Creates a future which represents either a collection of the results of the
futures given or an error.</dd><dt><a class="fn" href="fn.try_maybe_done.html" title="fn futures_util::future::try_maybe_done">try_<wbr>maybe_<wbr>done</a></dt><dd>Wraps a future into a <code>TryMaybeDone</code></dd><dt><a class="fn" href="fn.try_select.html" title="fn futures_util::future::try_select">try_<wbr>select</a></dt><dd>Waits for either one of two differently-typed futures to complete.</dd></dl><h2 id="types" class="section-header">Type Aliases<a href="#types" class="anchor">§</a></h2><dl class="item-table"><dt><a class="type" href="type.BoxFuture.html" title="type futures_util::future::BoxFuture">BoxFuture</a></dt><dd>An owned dynamically typed <a href="https://doc.rust-lang.org/1.93.1/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future</code></a> for use in cases where you can’t
statically type your result or need to add some indirection.</dd><dt><a class="type" href="type.LocalBoxFuture.html" title="type futures_util::future::LocalBoxFuture">Local<wbr>BoxFuture</a></dt><dd><code>BoxFuture</code>, but without the <code>Send</code> requirement.</dd></dl></section></div></main></body></html>
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