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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 `FuturesOrdered` struct in crate `futures_util`."><meta name="keywords" content="rust, rustlang, rust-lang, FuturesOrdered"><title>futures_util::stream::FuturesOrdered - 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="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc struct"><!--[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><a href='../../futures_util/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a><p class="location">Struct FuturesOrdered</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#implementations">Methods</a><div class="sidebar-links"><a href="#method.is_empty">is_empty</a><a href="#method.len">len</a><a href="#method.new">new</a><a href="#method.push">push</a></div><a class="sidebar-title" href="#trait-implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Debug">Debug</a><a href="#impl-Default">Default</a><a href="#impl-Extend%3CFut%3E">Extend&lt;Fut&gt;</a><a href="#impl-FromIterator%3CFut%3E">FromIterator&lt;Fut&gt;</a><a href="#impl-FusedStream">FusedStream</a><a href="#impl-Stream">Stream</a><a href="#impl-Unpin">Unpin</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-RefUnwindSafe">!RefUnwindSafe</a><a href="#impl-Send">Send</a><a href="#impl-Sync">Sync</a><a href="#impl-UnwindSafe">!UnwindSafe</a></div><a class="sidebar-title" href="#blanket-implementations">Blanket Implementations</a><div class="sidebar-links"><a href="#impl-Any">Any</a><a href="#impl-Borrow%3CT%3E">Borrow&lt;T&gt;</a><a href="#impl-BorrowMut%3CT%3E">BorrowMut&lt;T&gt;</a><a href="#impl-From%3CT%3E">From&lt;T&gt;</a><a href="#impl-Into%3CU%3E">Into&lt;U&gt;</a><a href="#impl-TryFrom%3CU%3E">TryFrom&lt;U&gt;</a><a href="#impl-TryInto%3CU%3E">TryInto&lt;U&gt;</a><a href="#impl-TryStream">TryStream</a></div></div><p class="location"><a href="../index.html">futures_util</a>::<wbr><a href="index.html">stream</a></p><div id="sidebar-vars" data-name="FuturesOrdered" data-ty="struct" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices" role="menu"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><button type="button" class="help-button">?</button>
<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">Struct <a href="../index.html">futures_util</a>::<wbr><a href="index.html">stream</a>::<wbr><a class="struct" href="">FuturesOrdered</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/futures_util/stream/futures_ordered.rs.html#98-103" title="goto source code">[src]</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class="rust struct"><span class="docblock attributes top-attr">#[must_use = "streams do nothing unless polled"]</span>pub struct FuturesOrdered&lt;T:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; { /* fields omitted */ }</pre></div><div class="docblock"><p>An unbounded queue of futures.</p>
<p>This &quot;combinator&quot; is similar to <code>FuturesUnordered</code>, but it imposes an order
on top of the set of futures. While futures in the set will race to
completion in parallel, results will only be returned in the order their
originating futures were added to the queue.</p>
<p>Futures are pushed into this queue and their realized values are yielded in
order. This structure is optimized to manage a large number of futures.
Futures managed by <code>FuturesOrdered</code> will only be polled when they generate
notifications. This reduces the required amount of work needed to coordinate
large numbers of futures.</p>
<p>When a <code>FuturesOrdered</code> is first created, it does not contain any futures.
Calling <code>poll</code> in this state will result in <code>Poll::Ready(None))</code> to be
returned. Futures are submitted to the queue using <code>push</code>; however, the
future will <strong>not</strong> be polled at this point. <code>FuturesOrdered</code> will only
poll managed futures when <code>FuturesOrdered::poll</code> is called. As such, it
is important to call <code>poll</code> after pushing new futures.</p>
<p>If <code>FuturesOrdered::poll</code> returns <code>Poll::Ready(None)</code> this means that
the queue is currently not managing any futures. A future may be submitted
to the queue at a later time. At that point, a call to
<code>FuturesOrdered::poll</code> will either return the future's resolved value
<strong>or</strong> <code>Poll::Pending</code> if the future has not yet completed. When
multiple futures are submitted to the queue, <code>FuturesOrdered::poll</code> will
return <code>Poll::Pending</code> until the first future completes, even if
some of the later futures have already completed.</p>
<p>Note that you can create a ready-made <code>FuturesOrdered</code> via the
<a href="https://doc.rust-lang.org/nightly/core/iter/traits/iterator/trait.Iterator.html#method.collect"><code>collect</code></a> method, or you can start with an empty queue
with the <code>FuturesOrdered::new</code> constructor.</p>
<p>This type is only available when the <code>std</code> or <code>alloc</code> feature of this
library is activated, and it is activated by default.</p>
</div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><h3 id="impl" class="impl"><code class="in-band">impl&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;Fut&gt;</code><a href="#impl" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#107-149" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.new" class="method"><code>pub fn <a href="#method.new" class="fnname">new</a>() -&gt; Self</code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#112-119" title="goto source code">[src]</a></h4><div class="docblock"><p>Constructs a new, empty <code>FuturesOrdered</code></p>
<p>The returned <code>FuturesOrdered</code> does not contain any futures and, in this
state, <code>FuturesOrdered::poll_next</code> will return <code>Poll::Ready(None)</code>.</p>
</div><h4 id="method.len" class="method"><code>pub fn <a href="#method.len" class="fnname">len</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#126-128" title="goto source code">[src]</a></h4><div class="docblock"><p>Returns the number of futures contained in the queue.</p>
<p>This represents the total number of in-flight futures, both
those currently processing and those that have completed but
which are waiting for earlier futures to complete.</p>
</div><h4 id="method.is_empty" class="method"><code>pub fn <a href="#method.is_empty" class="fnname">is_empty</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#131-133" title="goto source code">[src]</a></h4><div class="docblock"><p>Returns <code>true</code> if the queue contains no futures</p>
</div><h4 id="method.push" class="method"><code>pub fn <a href="#method.push" class="fnname">push</a>(&amp;mut self, future: Fut)</code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#141-148" title="goto source code">[src]</a></h4><div class="docblock"><p>Push a future into the queue.</p>
<p>This function submits the given future to the internal set for managing.
This function will not call <code>poll</code> on the submitted future. The caller
must ensure that <code>FuturesOrdered::poll</code> is called in order to receive
task notifications.</p>
</div></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><h3 id="impl-Debug" class="impl"><code class="in-band">impl&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</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="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;Fut&gt;</code><a href="#impl-Debug" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#192-196" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.fmt" class="method hidden"><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>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#193-195" title="goto source code">[src]</a></h4><div class='docblock hidden'><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-Default" class="impl"><code class="in-band">impl&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;Fut&gt;</code><a href="#impl-Default" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#151-155" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.default" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default" class="fnname">default</a>() -&gt; Self</code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#152-154" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Returns the &quot;default value&quot; for a type. <a href="https://doc.rust-lang.org/nightly/core/default/trait.Default.html#tymethod.default">Read more</a></p>
</div></div><h3 id="impl-Extend%3CFut%3E" class="impl"><code class="in-band">impl&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html" title="trait core::iter::traits::collect::Extend">Extend</a>&lt;Fut&gt; for <a class="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;Fut&gt;</code><a href="#impl-Extend%3CFut%3E" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#217-226" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.extend" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#tymethod.extend" class="fnname">extend</a>&lt;I&gt;(&amp;mut self, iter: I) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&lt;Item = Fut&gt;,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#218-225" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Extends a collection with the contents of an iterator. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#tymethod.extend">Read more</a></p>
</div><h4 id="method.extend_one" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#method.extend_one" class="fnname">extend_one</a>(&amp;mut self, item: A)</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/iter/traits/collect.rs.html#340" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>extend_one</code>)</div></div><div class='docblock hidden'><p>Extends a collection with exactly one element.</p>
</div><h4 id="method.extend_reserve" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#method.extend_reserve" class="fnname">extend_reserve</a>(&amp;mut self, additional: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/iter/traits/collect.rs.html#348" title="goto source code">[src]</a></h4><div class="item-info hidden"><div class="stab unstable"><span class="emoji">🔬</span> This is a nightly-only experimental API. (<code>extend_one</code>)</div></div><div class='docblock hidden'><p>Reserves capacity in a collection for the given number of additional elements. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.Extend.html#method.extend_reserve">Read more</a></p>
</div></div><h3 id="impl-FromIterator%3CFut%3E" class="impl"><code class="in-band">impl&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html" title="trait core::iter::traits::collect::FromIterator">FromIterator</a>&lt;Fut&gt; for <a class="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;Fut&gt;</code><a href="#impl-FromIterator%3CFut%3E" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#198-209" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from_iter" class="method hidden"><code>fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter" class="fnname">from_iter</a>&lt;T&gt;(iter: T) -&gt; Self <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>&lt;Item = Fut&gt;,&nbsp;</span></code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#199-208" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Creates a value from an iterator. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter">Read more</a></p>
</div></div><h3 id="impl-FusedStream" class="impl"><code class="in-band">impl&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="../../futures_util/stream/trait.FusedStream.html" title="trait futures_util::stream::FusedStream">FusedStream</a> for <a class="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;Fut&gt;</code><a href="#impl-FusedStream" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#211-215" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.is_terminated" class="method hidden"><code>fn <a href="../../futures_util/stream/trait.FusedStream.html#tymethod.is_terminated" class="fnname">is_terminated</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#212-214" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Returns <code>true</code> if the stream should no longer be polled.</p>
</div></div><h3 id="impl-Stream" class="impl"><code class="in-band">impl&lt;Fut:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="../../futures_util/stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a> for <a class="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;Fut&gt;</code><a href="#impl-Stream" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#157-190" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Item" class="type"><code>type <a href="../../futures_util/stream/trait.Stream.html#associatedtype.Item" class="type">Item</a> = Fut::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a></code></h4><div class='docblock'><p>Values yielded by the stream.</p>
</div><h4 id="method.poll_next" class="method hidden"><code>fn <a href="../../futures_util/stream/trait.Stream.html#tymethod.poll_next" class="fnname">poll_next</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>Self&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="type" href="../../futures_util/stream/trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>&gt;&gt;</code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#160-184" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Attempt to pull out the next value of this stream, registering the
current task for wakeup if the value is not yet available, and returning
<code>None</code> if the stream is exhausted. <a href="../../futures_util/stream/trait.Stream.html#tymethod.poll_next">Read more</a></p>
</div><h4 id="method.size_hint" class="method hidden"><code>fn <a href="../../futures_util/stream/trait.Stream.html#method.size_hint" class="fnname">size_hint</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">(</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>&gt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.tuple.html">)</a></code><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#186-189" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Returns the bounds on the remaining length of the stream. <a href="../../futures_util/stream/trait.Stream.html#method.size_hint">Read more</a></p>
</div></div><h3 id="impl-Unpin" class="impl"><code class="in-band">impl&lt;T:&nbsp;<a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;T&gt;</code><a href="#impl-Unpin" class="anchor"></a><a class="srclink" href="../../src/futures_util/stream/futures_ordered.rs.html#105" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><h3 id="impl-RefUnwindSafe" class="impl"><code class="in-band">impl&lt;T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.RefUnwindSafe.html" title="trait std::panic::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;T&gt;</code><a href="#impl-RefUnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Send" class="impl"><code class="in-band">impl&lt;T&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="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <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;&lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>: <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><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-Sync" class="impl"><code class="in-band">impl&lt;T&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="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;T&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <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;&lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>: <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><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div><h3 id="impl-UnwindSafe" class="impl"><code class="in-band">impl&lt;T&gt; !<a class="trait" href="https://doc.rust-lang.org/nightly/std/panic/trait.UnwindSafe.html" title="trait std::panic::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../../futures_util/stream/struct.FuturesOrdered.html" title="struct futures_util::stream::FuturesOrdered">FuturesOrdered</a>&lt;T&gt;</code><a href="#impl-UnwindSafe" class="anchor"></a><a class="srclink" href="../../src/futures_util/lib.rs.html#1" title="goto source code">[src]</a></h3><div class="impl-items"></div></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><h3 id="impl-Any" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Any" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#131-135" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.type_id" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#132" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></div><h3 id="impl-Borrow%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-Borrow%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#207-211" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;</a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#208" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
</div></div><h3 id="impl-BorrowMut%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-BorrowMut%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214-218" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.borrow_mut" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#215" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
</div></div><h3 id="impl-From%3CT%3E" class="impl"><code class="in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</code><a href="#impl-From%3CT%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#545-549" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -&gt; T</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#546" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-Into%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-Into%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#534-541" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="method.into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -&gt; U</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#538" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-TryFrom%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryFrom%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#582-591" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="type">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_from" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, &lt;T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#588" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-TryInto%3CU%3E" class="impl"><code class="in-band">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,&nbsp;</span></code><a href="#impl-TryInto%3CU%3E" class="anchor"></a><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#568-577" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Error-1" class="type"><code>type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="type">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></code></h4><div class='docblock'><p>The type returned in the event of a conversion error.</p>
</div><h4 id="method.try_into" class="method hidden"><code>pub fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</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;U, &lt;U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="type" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</code><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#574" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Performs the conversion.</p>
</div></div><h3 id="impl-TryStream" class="impl"><code class="in-band">impl&lt;S, T, E&gt; <a class="trait" href="../../futures_util/stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a> for S <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;S: <a class="trait" href="../../futures_util/stream/trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&lt;Item = <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;T, E&gt;&gt; + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></code><a href="#impl-TryStream" class="anchor"></a><a class="srclink" href="../../src/futures_core/stream.rs.html#192-203" title="goto source code">[src]</a></h3><div class="impl-items"><h4 id="associatedtype.Ok" class="type"><code>type <a href="../../futures_util/stream/trait.TryStream.html#associatedtype.Ok" class="type">Ok</a> = T</code></h4><div class='docblock'><p>The type of successful values yielded by this future</p>
</div><h4 id="associatedtype.Error-2" class="type"><code>type <a href="../../futures_util/stream/trait.TryStream.html#associatedtype.Error" class="type">Error</a> = E</code></h4><div class='docblock'><p>The type of failures yielded by this future</p>
</div><h4 id="method.try_poll_next" class="method hidden"><code>pub fn <a href="../../futures_util/stream/trait.TryStream.html#tymethod.try_poll_next" class="fnname">try_poll_next</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;self: <a class="struct" href="https://doc.rust-lang.org/nightly/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&amp;mut </a>S&gt;, <br>&nbsp;&nbsp;&nbsp;&nbsp;cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;<br>) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a>&lt;&lt;S as <a class="trait" href="../../futures_util/stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a>&gt;::<a class="type" href="../../futures_util/stream/trait.TryStream.html#associatedtype.Ok" title="type futures_util::stream::TryStream::Ok">Ok</a>, &lt;S as <a class="trait" href="../../futures_util/stream/trait.TryStream.html" title="trait futures_util::stream::TryStream">TryStream</a>&gt;::<a class="type" href="../../futures_util/stream/trait.TryStream.html#associatedtype.Error" title="type futures_util::stream::TryStream::Error">Error</a>&gt;&gt;&gt;</code><a class="srclink" href="../../src/futures_core/stream.rs.html#198-199" title="goto source code">[src]</a></h4><div class='docblock hidden'><p>Poll this <code>TryStream</code> as if it were a <code>Stream</code>. <a href="../../futures_util/stream/trait.TryStream.html#tymethod.try_poll_next">Read more</a></p>
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