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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="Future for the `Peekable::peek_mut` method."><title>PeekMut in futures_util::stream - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-492a78a4a87dcc01.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="1.82.0 (f6e511eec 2024-10-15)" data-channel="1.82.0" data-search-js="search-a99f1315e7cc5121.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-921df33f47b8780c.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-3b12f09e550e0385.css"></noscript><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 struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../futures_util/index.html">futures_<wbr>util</a><span class="version">0.3.31</span></h2></div><h2 class="location"><a href="#">PeekMut</a></h2><div class="sidebar-elems"><section><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Debug-for-PeekMut%3C'_,+St%3E">Debug</a></li><li><a href="#impl-FusedFuture-for-PeekMut%3C'_,+St%3E">FusedFuture</a></li><li><a href="#impl-Future-for-PeekMut%3C'a,+St%3E">Future</a></li><li><a href="#impl-Unpin-for-PeekMut%3C'a,+St%3E">Unpin</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-UnwindSafe-for-PeekMut%3C'a,+St%3E">!UnwindSafe</a></li><li><a href="#impl-Freeze-for-PeekMut%3C'a,+St%3E">Freeze</a></li><li><a href="#impl-RefUnwindSafe-for-PeekMut%3C'a,+St%3E">RefUnwindSafe</a></li><li><a href="#impl-Send-for-PeekMut%3C'a,+St%3E">Send</a></li><li><a href="#impl-Sync-for-PeekMut%3C'a,+St%3E">Sync</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T">Borrow&#60;T&#62;</a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T">BorrowMut&#60;T&#62;</a></li><li><a href="#impl-From%3CT%3E-for-T">From&#60;T&#62;</a></li><li><a href="#impl-FutureExt-for-T">FutureExt</a></li><li><a href="#impl-Into%3CU%3E-for-T">Into&#60;U&#62;</a></li><li><a href="#impl-IntoFuture-for-F">IntoFuture</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T">TryFrom&#60;U&#62;</a></li><li><a href="#impl-TryInto%3CU%3E-for-T">TryInto&#60;U&#62;</a></li></ul></section><h2><a href="index.html">In futures_<wbr>util::<wbr>stream</a></h2></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Struct <a href="../index.html">futures_util</a>::<wbr><a href="index.html">stream</a>::<wbr><a class="struct" href="#">PeekMut</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../../src/futures_util/stream/stream/peek.rs.html#271-277">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><pre class="rust item-decl"><code>pub struct PeekMut&lt;'a, St: <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&gt; { <span class="comment">/* private fields */</span> }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Future for the <a href="struct.Peekable.html#method.peek_mut" title="method futures_util::stream::Peekable::peek_mut"><code>Peekable::peek_mut</code></a> method.</p>
</div></details><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-PeekMut%3C'_,+St%3E" class="impl"><a class="src rightside" href="../../src/futures_util/stream/stream/peek.rs.html#279-287">source</a><a href="#impl-Debug-for-PeekMut%3C'_,+St%3E" class="anchor">§</a><h3 class="code-header">impl&lt;St&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.PeekMut.html" title="struct futures_util::stream::PeekMut">PeekMut</a>&lt;'_, St&gt;<div class="where">where
St: <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a> + <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,
St::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/stream/stream/peek.rs.html#284-286">source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&amp;self, f: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.82.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a>&lt;'_&gt;) -&gt; <a class="type" href="https://doc.rust-lang.org/1.82.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.82.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-FusedFuture-for-PeekMut%3C'_,+St%3E" class="impl"><a class="src rightside" href="../../src/futures_util/stream/stream/peek.rs.html#289-293">source</a><a href="#impl-FusedFuture-for-PeekMut%3C'_,+St%3E" class="anchor">§</a><h3 class="code-header">impl&lt;St: <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&gt; <a class="trait" href="../future/trait.FusedFuture.html" title="trait futures_util::future::FusedFuture">FusedFuture</a> for <a class="struct" href="struct.PeekMut.html" title="struct futures_util::stream::PeekMut">PeekMut</a>&lt;'_, St&gt;</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.is_terminated" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/stream/stream/peek.rs.html#290-292">source</a><a href="#method.is_terminated" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FusedFuture.html#tymethod.is_terminated" class="fn">is_terminated</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.82.0/core/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Returns <code>true</code> if the underlying future should no longer be polled.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Future-for-PeekMut%3C'a,+St%3E" class="impl"><a class="src rightside" href="../../src/futures_util/stream/stream/peek.rs.html#295-311">source</a><a href="#impl-Future-for-PeekMut%3C'a,+St%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a, St&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> for <a class="struct" href="struct.PeekMut.html" title="struct futures_util::stream::PeekMut">PeekMut</a>&lt;'a, St&gt;<div class="where">where
St: <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output" class="associatedtype trait-impl"><a class="src rightside" href="../../src/futures_util/stream/stream/peek.rs.html#299">source</a><a href="#associatedtype.Output" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <a class="enum" href="https://doc.rust-lang.org/1.82.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;&amp;'a mut &lt;St as <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&gt;::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>&gt;</h4></section></summary><div class='docblock'>The type of value produced on completion.</div></details><details class="toggle method-toggle" open><summary><section id="method.poll" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/stream/stream/peek.rs.html#301-310">source</a><a href="#method.poll" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#tymethod.poll" class="fn">poll</a>(self: <a class="struct" href="https://doc.rust-lang.org/1.82.0/core/pin/struct.Pin.html" title="struct core::pin::Pin">Pin</a>&lt;&amp;mut Self&gt;, cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.82.0/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.82.0/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;</h4></section></summary><div class='docblock'>Attempts to resolve the future to a final value, registering
the current task for wakeup if the value is not yet available. <a href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#tymethod.poll">Read more</a></div></details></div></details><section id="impl-Unpin-for-PeekMut%3C'a,+St%3E" class="impl"><a class="src rightside" href="../../src/futures_util/stream/stream/peek.rs.html#271-277">source</a><a href="#impl-Unpin-for-PeekMut%3C'a,+St%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'__pin, 'a, St: <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.PeekMut.html" title="struct futures_util::stream::PeekMut">PeekMut</a>&lt;'a, St&gt;<div class="where">where
PinnedFieldsOf&lt;__Origin&lt;'__pin, 'a, St&gt;&gt;: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</div></h3></section></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-PeekMut%3C'a,+St%3E" class="impl"><a href="#impl-Freeze-for-PeekMut%3C'a,+St%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a, St&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="struct.PeekMut.html" title="struct futures_util::stream::PeekMut">PeekMut</a>&lt;'a, St&gt;</h3></section><section id="impl-RefUnwindSafe-for-PeekMut%3C'a,+St%3E" class="impl"><a href="#impl-RefUnwindSafe-for-PeekMut%3C'a,+St%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a, St&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.PeekMut.html" title="struct futures_util::stream::PeekMut">PeekMut</a>&lt;'a, St&gt;<div class="where">where
St: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,
&lt;St as <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&gt;::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>,</div></h3></section><section id="impl-Send-for-PeekMut%3C'a,+St%3E" class="impl"><a href="#impl-Send-for-PeekMut%3C'a,+St%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a, St&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.PeekMut.html" title="struct futures_util::stream::PeekMut">PeekMut</a>&lt;'a, St&gt;<div class="where">where
St: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,
&lt;St as <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&gt;::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>,</div></h3></section><section id="impl-Sync-for-PeekMut%3C'a,+St%3E" class="impl"><a href="#impl-Sync-for-PeekMut%3C'a,+St%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a, St&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.PeekMut.html" title="struct futures_util::stream::PeekMut">PeekMut</a>&lt;'a, St&gt;<div class="where">where
St: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,
&lt;St as <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>&gt;::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures_util::stream::Stream::Item">Item</a>: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>,</div></h3></section><section id="impl-UnwindSafe-for-PeekMut%3C'a,+St%3E" class="impl"><a href="#impl-UnwindSafe-for-PeekMut%3C'a,+St%3E" class="anchor">§</a><h3 class="code-header">impl&lt;'a, St&gt; !<a class="trait" href="https://doc.rust-lang.org/1.82.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.PeekMut.html" title="struct futures_util::stream::PeekMut">PeekMut</a>&lt;'a, St&gt;</h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/any.rs.html#138">source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where
T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/any.rs.html#139">source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/1.82.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.82.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/borrow.rs.html#209">source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/borrow.rs.html#211">source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.82.0/core/primitive.reference.html">&amp;T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.82.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/borrow.rs.html#217">source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a>&lt;T&gt; for T<div class="where">where
T: ?<a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/borrow.rs.html#218">source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&amp;mut self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/1.82.0/core/primitive.reference.html">&amp;mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.82.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#765">source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#768">source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -&gt; T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-FutureExt-for-T" class="impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#119">source</a><a href="#impl-FutureExt-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T&gt; <a class="trait" href="../future/trait.FutureExt.html" title="trait futures_util::future::FutureExt">FutureExt</a> for T<div class="where">where
T: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a> + ?<a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.map" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#146-152">source</a><a href="#method.map" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.map" class="fn">map</a>&lt;U, F&gt;(self, f: F) -&gt; <a class="struct" href="../future/struct.Map.html" title="struct futures_util::future::Map">Map</a>&lt;Self, F&gt; <a href="#" class="tooltip" data-notable-ty="Map&lt;Self, F&gt;">ⓘ</a><div class="where">where
F: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>) -&gt; U,
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Map this future’s output to a different type, returning a new future of
the resulting type. <a href="../future/trait.FutureExt.html#method.map">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.map_into" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#159-165">source</a><a href="#method.map_into" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.map_into" class="fn">map_into</a>&lt;U&gt;(self) -&gt; <a class="struct" href="../future/struct.MapInto.html" title="struct futures_util::future::MapInto">MapInto</a>&lt;Self, U&gt; <a href="#" class="tooltip" data-notable-ty="MapInto&lt;Self, U&gt;">ⓘ</a><div class="where">where
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/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/1.82.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Map this future’s output to a different type, returning a new future of
the resulting type. <a href="../future/trait.FutureExt.html#method.map_into">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.then" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#191-198">source</a><a href="#method.then" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.then" class="fn">then</a>&lt;Fut, F&gt;(self, f: F) -&gt; <a class="struct" href="../future/struct.Then.html" title="struct futures_util::future::Then">Then</a>&lt;Self, Fut, F&gt; <a href="#" class="tooltip" data-notable-ty="Then&lt;Self, Fut, F&gt;">ⓘ</a><div class="where">where
F: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>) -&gt; Fut,
Fut: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Chain on a computation for when a future finished, passing the result of
the future to the provided closure <code>f</code>. <a href="../future/trait.FutureExt.html#method.then">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.left_future" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#222-228">source</a><a href="#method.left_future" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.left_future" class="fn">left_future</a>&lt;B&gt;(self) -&gt; <a class="enum" href="../future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;Self, B&gt; <a href="#" class="tooltip" data-notable-ty="Either&lt;Self, B&gt;">ⓘ</a><div class="where">where
B: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Wrap this future in an <code>Either</code> future, making it the left-hand variant
of that <code>Either</code>. <a href="../future/trait.FutureExt.html#method.left_future">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.right_future" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#252-258">source</a><a href="#method.right_future" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.right_future" class="fn">right_future</a>&lt;A&gt;(self) -&gt; <a class="enum" href="../future/enum.Either.html" title="enum futures_util::future::Either">Either</a>&lt;A, Self&gt; <a href="#" class="tooltip" data-notable-ty="Either&lt;A, Self&gt;">ⓘ</a><div class="where">where
A: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&lt;Output = Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;,
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Wrap this future in an <code>Either</code> future, making it the right-hand variant
of that <code>Either</code>. <a href="../future/trait.FutureExt.html#method.right_future">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.into_stream" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#278-283">source</a><a href="#method.into_stream" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.into_stream" class="fn">into_stream</a>(self) -&gt; <a class="struct" href="../future/struct.IntoStream.html" title="struct futures_util::future::IntoStream">IntoStream</a>&lt;Self&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Convert this future into a single element stream. <a href="../future/trait.FutureExt.html#method.into_stream">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.flatten" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#307-314">source</a><a href="#method.flatten" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.flatten" class="fn">flatten</a>(self) -&gt; <a class="struct" href="../future/struct.Flatten.html" title="struct futures_util::future::Flatten">Flatten</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="Flatten&lt;Self&gt;">ⓘ</a><div class="where">where
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/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/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Flatten the execution of this future when the output of this
future is itself another future. <a href="../future/trait.FutureExt.html#method.flatten">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.flatten_stream" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#341-347">source</a><a href="#method.flatten_stream" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.flatten_stream" class="fn">flatten_stream</a>(self) -&gt; <a class="struct" href="../future/struct.FlattenStream.html" title="struct futures_util::future::FlattenStream">FlattenStream</a>&lt;Self&gt;<div class="where">where
Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>: <a class="trait" href="trait.Stream.html" title="trait futures_util::stream::Stream">Stream</a>,
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Flatten the execution of this future when the successful result of this
future is a stream. <a href="../future/trait.FutureExt.html#method.flatten_stream">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.fuse" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#365-371">source</a><a href="#method.fuse" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.fuse" class="fn">fuse</a>(self) -&gt; <a class="struct" href="../future/struct.Fuse.html" title="struct futures_util::future::Fuse">Fuse</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="Fuse&lt;Self&gt;">ⓘ</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Fuse a future such that <code>poll</code> will never again be called once it has
completed. This method can be used to turn any <code>Future</code> into a
<code>FusedFuture</code>. <a href="../future/trait.FutureExt.html#method.fuse">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.inspect" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#391-397">source</a><a href="#method.inspect" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.inspect" class="fn">inspect</a>&lt;F&gt;(self, f: F) -&gt; <a class="struct" href="../future/struct.Inspect.html" title="struct futures_util::future::Inspect">Inspect</a>&lt;Self, F&gt; <a href="#" class="tooltip" data-notable-ty="Inspect&lt;Self, F&gt;">ⓘ</a><div class="where">where
F: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>(&amp;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>),
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Do something with the output of a future before passing it on. <a href="../future/trait.FutureExt.html#method.inspect">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.unit_error" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#537-542">source</a><a href="#method.unit_error" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.unit_error" class="fn">unit_error</a>(self) -&gt; <a class="struct" href="../future/struct.UnitError.html" title="struct futures_util::future::UnitError">UnitError</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="UnitError&lt;Self&gt;">ⓘ</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Turns a <a href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future&lt;Output = T&gt;</code></a> into a
<a href="../future/trait.TryFuture.html" title="trait futures_util::future::TryFuture"><code>TryFuture&lt;Ok = T, Error = ()</code>&gt;</a>.</div></details><details class="toggle method-toggle" open><summary><section id="method.never_error" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#546-551">source</a><a href="#method.never_error" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.never_error" class="fn">never_error</a>(self) -&gt; <a class="struct" href="../future/struct.NeverError.html" title="struct futures_util::future::NeverError">NeverError</a>&lt;Self&gt; <a href="#" class="tooltip" data-notable-ty="NeverError&lt;Self&gt;">ⓘ</a><div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Turns a <a href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future"><code>Future&lt;Output = T&gt;</code></a> into a
<a href="../future/trait.TryFuture.html" title="trait futures_util::future::TryFuture"><code>TryFuture&lt;Ok = T, Error = Never</code>&gt;</a>.</div></details><details class="toggle method-toggle" open><summary><section id="method.poll_unpin" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#554-559">source</a><a href="#method.poll_unpin" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.poll_unpin" class="fn">poll_unpin</a>(&amp;mut self, cx: &amp;mut <a class="struct" href="https://doc.rust-lang.org/1.82.0/core/task/wake/struct.Context.html" title="struct core::task::wake::Context">Context</a>&lt;'_&gt;) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.82.0/core/task/poll/enum.Poll.html" title="enum core::task::poll::Poll">Poll</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</div></h4></section></summary><div class='docblock'>A convenience for calling <code>Future::poll</code> on <code>Unpin</code> future types.</div></details><details class="toggle method-toggle" open><summary><section id="method.now_or_never" class="method trait-impl"><a class="src rightside" href="../../src/futures_util/future/future/mod.rs.html#592-605">source</a><a href="#method.now_or_never" class="anchor">§</a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.now_or_never" class="fn">now_or_never</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.82.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;Self::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a>&gt;<div class="where">where
Self: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h4></section></summary><div class='docblock'>Evaluates and consumes the future, returning the resulting output if
the future is ready after the first call to <code>Future::poll</code>. <a href="../future/trait.FutureExt.html#method.now_or_never">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#748-750">source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#758">source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/convert/trait.Into.html#tymethod.into" class="fn">into</a>(self) -&gt; U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p>
<p>That is, this conversion is whatever the implementation of
<code><a href="https://doc.rust-lang.org/1.82.0/core/convert/trait.From.html" title="trait core::convert::From">From</a>&lt;T&gt; for U</code> chooses to do.</p>
</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-IntoFuture-for-F" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/future/into_future.rs.html#138">source</a><a href="#impl-IntoFuture-for-F" class="anchor">§</a><h3 class="code-header">impl&lt;F&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a> for F<div class="where">where
F: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Output-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/future/into_future.rs.html#139">source</a><a href="#associatedtype.Output-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.82.0/core/future/into_future/trait.IntoFuture.html#associatedtype.Output" class="associatedtype">Output</a> = &lt;F as <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html" title="trait core::future::future::Future">Future</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output" title="type core::future::future::Future::Output">Output</a></h4></section></summary><div class='docblock'>The output that the future will produce on completion.</div></details><details class="toggle" open><summary><section id="associatedtype.IntoFuture" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/future/into_future.rs.html#140">source</a><a href="#associatedtype.IntoFuture" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.82.0/core/future/into_future/trait.IntoFuture.html#associatedtype.IntoFuture" class="associatedtype">IntoFuture</a> = F</h4></section></summary><div class='docblock'>Which kind of future are we turning this into?</div></details><details class="toggle method-toggle" open><summary><section id="method.into_future" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/future/into_future.rs.html#142">source</a><a href="#method.into_future" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/future/into_future/trait.IntoFuture.html#tymethod.into_future" class="fn">into_future</a>(self) -&gt; &lt;F as <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/future/into_future/trait.IntoFuture.html" title="trait core::future::into_future::IntoFuture">IntoFuture</a>&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/future/into_future/trait.IntoFuture.html#associatedtype.IntoFuture" title="type core::future::into_future::IntoFuture::IntoFuture">IntoFuture</a></h4></section></summary><div class='docblock'>Creates a future from a value. <a href="https://doc.rust-lang.org/1.82.0/core/future/into_future/trait.IntoFuture.html#tymethod.into_future">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#805-807">source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#809">source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.82.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#812">source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.82.0/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/1.82.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;U&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#790-792">source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl&lt;T, U&gt; <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a>&lt;U&gt; for T<div class="where">where
U: <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#794">source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = &lt;U as <a class="trait" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/1.82.0/src/core/convert/mod.rs.html#797">source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.82.0/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/1.82.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a>&lt;T&gt;&gt;::<a class="associatedtype" href="https://doc.rust-lang.org/1.82.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>&gt;</h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div><script type="text/json" id="notable-traits-data">{"Either<A, Self>":"<h3>Notable traits for <code><a class=\"enum\" href=\"../future/enum.Either.html\" title=\"enum futures_util::future::Either\">Either</a>&lt;A, B&gt;</code></h3><pre><code><div class=\"where\">impl&lt;A, B&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"enum\" href=\"../future/enum.Either.html\" title=\"enum futures_util::future::Either\">Either</a>&lt;A, B&gt;<div class=\"where\">where\n A: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,\n B: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&lt;Output = A::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>&gt;,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = A::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>","Either<Self, B>":"<h3>Notable traits for <code><a class=\"enum\" href=\"../future/enum.Either.html\" title=\"enum futures_util::future::Either\">Either</a>&lt;A, B&gt;</code></h3><pre><code><div class=\"where\">impl&lt;A, B&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"enum\" href=\"../future/enum.Either.html\" title=\"enum futures_util::future::Either\">Either</a>&lt;A, B&gt;<div class=\"where\">where\n A: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,\n B: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&lt;Output = A::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>&gt;,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = A::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>","Flatten<Self>":"<h3>Notable traits for <code><a class=\"struct\" href=\"../future/struct.Flatten.html\" title=\"struct futures_util::future::Flatten\">Flatten</a>&lt;F&gt;</code></h3><pre><code><div class=\"where\">impl&lt;F&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"../future/struct.Flatten.html\" title=\"struct futures_util::future::Flatten\">Flatten</a>&lt;F&gt;<div class=\"where\">where\n Flatten&lt;F, &lt;F as <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt;::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>&gt;: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,\n F: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = &lt;Flatten&lt;F, &lt;F as <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt;::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>&gt; as <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt;::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>","Fuse<Self>":"<h3>Notable traits for <code><a class=\"struct\" href=\"../future/struct.Fuse.html\" title=\"struct futures_util::future::Fuse\">Fuse</a>&lt;Fut&gt;</code></h3><pre><code><div class=\"where\">impl&lt;Fut: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"../future/struct.Fuse.html\" title=\"struct futures_util::future::Fuse\">Fuse</a>&lt;Fut&gt;</div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = Fut::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>","Inspect<Self, F>":"<h3>Notable traits for <code><a class=\"struct\" href=\"../future/struct.Inspect.html\" title=\"struct futures_util::future::Inspect\">Inspect</a>&lt;Fut, F&gt;</code></h3><pre><code><div class=\"where\">impl&lt;Fut, F&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"../future/struct.Inspect.html\" title=\"struct futures_util::future::Inspect\">Inspect</a>&lt;Fut, F&gt;<div class=\"where\">where\n Map&lt;Fut, InspectFn&lt;F&gt;&gt;: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = &lt;Map&lt;Fut, InspectFn&lt;F&gt;&gt; as <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt;::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>","Map<Self, F>":"<h3>Notable traits for <code><a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut, F&gt;</code></h3><pre><code><div class=\"where\">impl&lt;Fut, F&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut, F&gt;<div class=\"where\">where\n Map&lt;Fut, F&gt;: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = &lt;Map&lt;Fut, F&gt; as <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt;::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>","MapInto<Self, U>":"<h3>Notable traits for <code><a class=\"struct\" href=\"../future/struct.MapInto.html\" title=\"struct futures_util::future::MapInto\">MapInto</a>&lt;Fut, T&gt;</code></h3><pre><code><div class=\"where\">impl&lt;Fut, T&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"../future/struct.MapInto.html\" title=\"struct futures_util::future::MapInto\">MapInto</a>&lt;Fut, T&gt;<div class=\"where\">where\n <a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut, IntoFn&lt;T&gt;&gt;: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = &lt;<a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut, IntoFn&lt;T&gt;&gt; as <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt;::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>","NeverError<Self>":"<h3>Notable traits for <code><a class=\"struct\" href=\"../future/struct.NeverError.html\" title=\"struct futures_util::future::NeverError\">NeverError</a>&lt;Fut&gt;</code></h3><pre><code><div class=\"where\">impl&lt;Fut&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"../future/struct.NeverError.html\" title=\"struct futures_util::future::NeverError\">NeverError</a>&lt;Fut&gt;<div class=\"where\">where\n <a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut, OkFn&lt;<a class=\"type\" href=\"../never/type.Never.html\" title=\"type futures_util::never::Never\">Never</a>&gt;&gt;: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = &lt;<a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut, OkFn&lt;<a class=\"type\" href=\"../never/type.Never.html\" title=\"type futures_util::never::Never\">Never</a>&gt;&gt; as <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt;::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>","Then<Self, Fut, F>":"<h3>Notable traits for <code><a class=\"struct\" href=\"../future/struct.Then.html\" title=\"struct futures_util::future::Then\">Then</a>&lt;Fut1, Fut2, F&gt;</code></h3><pre><code><div class=\"where\">impl&lt;Fut1, Fut2, F&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"../future/struct.Then.html\" title=\"struct futures_util::future::Then\">Then</a>&lt;Fut1, Fut2, F&gt;<div class=\"where\">where\n Flatten&lt;<a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut1, F&gt;, Fut2&gt;: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = &lt;Flatten&lt;<a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut1, F&gt;, Fut2&gt; as <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt;::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>","UnitError<Self>":"<h3>Notable traits for <code><a class=\"struct\" href=\"../future/struct.UnitError.html\" title=\"struct futures_util::future::UnitError\">UnitError</a>&lt;Fut&gt;</code></h3><pre><code><div class=\"where\">impl&lt;Fut&gt; <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"../future/struct.UnitError.html\" title=\"struct futures_util::future::UnitError\">UnitError</a>&lt;Fut&gt;<div class=\"where\">where\n <a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut, OkFn&lt;<a class=\"primitive\" href=\"https://doc.rust-lang.org/1.82.0/core/primitive.unit.html\">()</a>&gt;&gt;: <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = &lt;<a class=\"struct\" href=\"../future/struct.Map.html\" title=\"struct futures_util::future::Map\">Map</a>&lt;Fut, OkFn&lt;<a class=\"primitive\" href=\"https://doc.rust-lang.org/1.82.0/core/primitive.unit.html\">()</a>&gt;&gt; as <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a>&gt;::<a class=\"associatedtype\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" title=\"type core::future::future::Future::Output\">Output</a>;</div>"}</script></section></div></main></body></html>
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