| <!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 `concat` method."><meta name="keywords" content="rust, rustlang, rust-lang, Concat"><title>Concat in futures::stream - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" 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href="../../futures/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../futures/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Concat</a></h2><div class="sidebar-elems"><section><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Debug-for-Concat%3CSt%3E">Debug</a></li><li><a href="#impl-FusedFuture-for-Concat%3CSt%3E">FusedFuture</a></li><li><a href="#impl-Future-for-Concat%3CSt%3E">Future</a></li><li><a href="#impl-Unpin-for-Concat%3CSt%3E">Unpin</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-Concat%3CSt%3E">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Concat%3CSt%3E">Send</a></li><li><a href="#impl-Sync-for-Concat%3CSt%3E">Sync</a></li><li><a href="#impl-UnwindSafe-for-Concat%3CSt%3E">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-Concat%3CSt%3E">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-Concat%3CSt%3E">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Concat%3CSt%3E">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-Concat%3CSt%3E">From<T></a></li><li><a href="#impl-FutureExt-for-Concat%3CSt%3E">FutureExt</a></li><li><a href="#impl-Into%3CU%3E-for-Concat%3CSt%3E">Into<U></a></li><li><a href="#impl-IntoFuture-for-Concat%3CSt%3E">IntoFuture</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Concat%3CSt%3E">TryFrom<U></a></li><li><a href="#impl-TryFuture-for-Concat%3CSt%3E">TryFuture</a></li><li><a href="#impl-TryFutureExt-for-Concat%3CSt%3E">TryFutureExt</a></li><li><a href="#impl-TryInto%3CU%3E-for-Concat%3CSt%3E">TryInto<U></a></li></ul></section><h2><a href="index.html">In futures::stream</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Struct <a href="../index.html">futures</a>::<wbr><a href="index.html">stream</a>::<wbr><a class="struct" href="#">Concat</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/futures_util/stream/stream/concat.rs.html#8-17">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust struct"><code>pub struct Concat<St><span class="where fmt-newline">where<br> St: <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,</span>{ /* private fields */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Future for the <a href="trait.StreamExt.html#method.concat"><code>concat</code></a> method.</p> |
| </div></details><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-Concat%3CSt%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/stream/stream/concat.rs.html#10">source</a><a href="#impl-Debug-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<St> Debug for <a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St><span class="where fmt-newline">where<br> St: Debug + <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,<br> <St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>: Debug,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/stream/stream/concat.rs.html#10">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&self, f: &mut Formatter<'_>) -> Result<(), Error></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-FusedFuture-for-Concat%3CSt%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/stream/stream/concat.rs.html#54">source</a><a href="#impl-FusedFuture-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<St> <a class="trait" href="../future/trait.FusedFuture.html" title="trait futures::future::FusedFuture">FusedFuture</a> for <a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St><span class="where fmt-newline">where<br> St: <a class="trait" href="trait.FusedStream.html" title="trait futures::stream::FusedStream">FusedStream</a>,<br> <St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>: Extend<<<St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a> as IntoIterator>::Item> + IntoIterator + Default,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_terminated" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/stream/stream/concat.rs.html#59">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="fnname">is_terminated</a>(&self) -> bool</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="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Future-for-Concat%3CSt%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/stream/stream/concat.rs.html#29">source</a><a href="#impl-Future-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<St> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St><span class="where fmt-newline">where<br> St: <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,<br> <St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>: Extend<<<St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a> as IntoIterator>::Item> + IntoIterator + Default,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Output" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Output" class="anchor"></a><h4 class="code-header">type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a></h4></section></summary><div class='docblock'>The type of value produced on completion.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/stream/stream/concat.rs.html#36">source</a><a href="#method.poll" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.Future.html#tymethod.poll" class="fnname">poll</a>(<br> self: Pin<&mut <a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St>>,<br> cx: &mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a><'_><br>) -> <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a><<<a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>></h4></section></summary><div class='docblock'>Attempt to resolve the future to a final value, registering |
| the current task for wakeup if the value is not yet available. <a href="../future/trait.Future.html#tymethod.poll">Read more</a></div></details></div></details><section id="impl-Unpin-for-Concat%3CSt%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/stream/stream/concat.rs.html#8-17">source</a><a href="#impl-Unpin-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<'__pin, St> Unpin for <a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St><span class="where fmt-newline">where<br> St: <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,<br> __Origin<'__pin, St>: Unpin,</span></h3></section></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"><section id="impl-RefUnwindSafe-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<St> RefUnwindSafe for <a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St><span class="where fmt-newline">where<br> St: RefUnwindSafe,<br> <St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>: RefUnwindSafe,</span></h3></section><section id="impl-Send-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-Send-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<St> Send for <a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St><span class="where fmt-newline">where<br> St: Send,<br> <St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>: Send,</span></h3></section><section id="impl-Sync-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-Sync-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<St> Sync for <a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St><span class="where fmt-newline">where<br> St: Sync,<br> <St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>: Sync,</span></h3></section><section id="impl-UnwindSafe-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<St> UnwindSafe for <a class="struct" href="struct.Concat.html" title="struct futures::stream::Concat">Concat</a><St><span class="where fmt-newline">where<br> St: UnwindSafe,<br> <St as <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>>::<a class="associatedtype" href="trait.Stream.html#associatedtype.Item" title="type futures::stream::Stream::Item">Item</a>: UnwindSafe,</span></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-Any-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<T> Any for T<span class="where fmt-newline">where<br> T: 'static + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a class="fnname">type_id</a>(&self) -> TypeId</h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<T> Borrow<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow</a>(&self) -> &T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<T> BorrowMut<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow_mut</a>(&mut self) -> &mut T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<T> From<T> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-FutureExt-for-Concat%3CSt%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#119">source</a><a href="#impl-FutureExt-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="../future/trait.FutureExt.html" title="trait futures::future::FutureExt">FutureExt</a> for T<span class="where fmt-newline">where<br> T: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#146-149">source</a><a href="#method.map" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.map" class="fnname">map</a><U, F>(self, f: F) -> <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut, F></span><code class="content"><span class="where fmt-newline">impl<Fut, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut, F><span class="where fmt-newline">where<br> Map<Fut, F>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <Map<Fut, F> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>) -> U,</span></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="rustdoc-toggle method-toggle" open><summary><section id="method.map_into" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#159-162">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="fnname">map_into</a><U>(self) -> <a class="struct" href="../future/struct.MapInto.html" title="struct futures::future::MapInto">MapInto</a><Self, U><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.MapInto.html" title="struct futures::future::MapInto">MapInto</a><Fut, T></span><code class="content"><span class="where fmt-newline">impl<Fut, T> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.MapInto.html" title="struct futures::future::MapInto">MapInto</a><Fut, T><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut, IntoFn<T>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut, IntoFn<T>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>: Into<U>,</span></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="rustdoc-toggle method-toggle" open><summary><section id="method.then" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#191-195">source</a><a href="#method.then" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.then" class="fnname">then</a><Fut, F>(self, f: F) -> <a class="struct" href="../future/struct.Then.html" title="struct futures::future::Then">Then</a><Self, Fut, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.Then.html" title="struct futures::future::Then">Then</a><Fut1, Fut2, F></span><code class="content"><span class="where fmt-newline">impl<Fut1, Fut2, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.Then.html" title="struct futures::future::Then">Then</a><Fut1, Fut2, F><span class="where fmt-newline">where<br> Flatten<<a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut1, F>, Fut2>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <Flatten<<a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut1, F>, Fut2> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>) -> Fut,<br> Fut: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></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="rustdoc-toggle method-toggle" open><summary><section id="method.left_future" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#222-225">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="fnname">left_future</a><B>(self) -> <a class="enum" href="../future/enum.Either.html" title="enum futures::future::Either">Either</a><Self, B><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="enum" href="../future/enum.Either.html" title="enum futures::future::Either">Either</a><A, B></span><code class="content"><span class="where fmt-newline">impl<A, B> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="enum" href="../future/enum.Either.html" title="enum futures::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a><Output = <A as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <A as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> B: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a><Output = Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>>,</span></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="rustdoc-toggle method-toggle" open><summary><section id="method.right_future" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#252-255">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="fnname">right_future</a><A>(self) -> <a class="enum" href="../future/enum.Either.html" title="enum futures::future::Either">Either</a><A, Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="enum" href="../future/enum.Either.html" title="enum futures::future::Either">Either</a><A, B></span><code class="content"><span class="where fmt-newline">impl<A, B> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="enum" href="../future/enum.Either.html" title="enum futures::future::Either">Either</a><A, B><span class="where fmt-newline">where<br> A: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> B: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a><Output = <A as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <A as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> A: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a><Output = Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>>,</span></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="rustdoc-toggle method-toggle" open><summary><section id="method.into_stream" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#278-280">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="fnname">into_stream</a>(self) -> <a class="struct" href="../future/struct.IntoStream.html" title="struct futures::future::IntoStream">IntoStream</a><Self></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="rustdoc-toggle method-toggle" open><summary><section id="method.flatten" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#307-310">source</a><a href="#method.flatten" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.flatten" class="fnname">flatten</a>(self) -> <a class="struct" href="../future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><F></span><code class="content"><span class="where fmt-newline">impl<F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.Flatten.html" title="struct futures::future::Flatten">Flatten</a><F><span class="where fmt-newline">where<br> Flatten<F, <F as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> F: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <Flatten<F, <F as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></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="rustdoc-toggle method-toggle" open><summary><section id="method.flatten_stream" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#341-344">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="fnname">flatten_stream</a>(self) -> <a class="struct" href="../future/struct.FlattenStream.html" title="struct futures::future::FlattenStream">FlattenStream</a><Self><span class="where fmt-newline">where<br> Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>: <a class="trait" href="trait.Stream.html" title="trait futures::stream::Stream">Stream</a>,</span></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="rustdoc-toggle method-toggle" open><summary><section id="method.fuse" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#365-367">source</a><a href="#method.fuse" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.fuse" class="fnname">fuse</a>(self) -> <a class="struct" href="../future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><Fut></span><code class="content"><span class="where fmt-newline">impl<Fut> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.Fuse.html" title="struct futures::future::Fuse">Fuse</a><Fut><span class="where fmt-newline">where<br> Fut: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <Fut as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span></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="rustdoc-toggle method-toggle" open><summary><section id="method.inspect" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#391-394">source</a><a href="#method.inspect" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.inspect" class="fnname">inspect</a><F>(self, f: F) -> <a class="struct" href="../future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><Fut, F></span><code class="content"><span class="where fmt-newline">impl<Fut, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><Fut, F><span class="where fmt-newline">where<br> Map<Fut, InspectFn<F>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <Map<Fut, InspectFn<F>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(&Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>),</span></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="rustdoc-toggle method-toggle" open><summary><section id="method.catch_unwind" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#431-433">source</a><a href="#method.catch_unwind" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.catch_unwind" class="fnname">catch_unwind</a>(self) -> <a class="struct" href="../future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><Fut></span><code class="content"><span class="where fmt-newline">impl<Fut> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.CatchUnwind.html" title="struct futures::future::CatchUnwind">CatchUnwind</a><Fut><span class="where fmt-newline">where<br> Fut: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> + UnwindSafe,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = Result<<Fut as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>, Box<dyn Any + Send + 'static, Global>>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: UnwindSafe,</span></h4></section></summary><div class='docblock'>Catches unwinding panics while polling the future. <a href="../future/trait.FutureExt.html#method.catch_unwind">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.shared" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#486-489">source</a><a href="#method.shared" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.shared" class="fnname">shared</a>(self) -> <a class="struct" href="../future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><Fut></span><code class="content"><span class="where fmt-newline">impl<Fut> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.Shared.html" title="struct futures::future::Shared">Shared</a><Fut><span class="where fmt-newline">where<br> Fut: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,<br> <Fut as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>: Clone,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <Fut as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>: Clone,</span></h4></section></summary><div class='docblock'>Create a cloneable handle to this future where all handles will resolve |
| to the same result. <a href="../future/trait.FutureExt.html#method.shared">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.remote_handle" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#505-507">source</a><a href="#method.remote_handle" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.remote_handle" class="fnname">remote_handle</a>(self) -> (<a class="struct" href="../future/struct.Remote.html" title="struct futures::future::Remote">Remote</a><Self>, <a class="struct" href="../future/struct.RemoteHandle.html" title="struct futures::future::RemoteHandle">RemoteHandle</a><Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>>)</h4></section></summary><div class='docblock'>Turn this future into a future that yields <code>()</code> on completion and sends |
| its output to another future on a separate task. <a href="../future/trait.FutureExt.html#method.remote_handle">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.boxed" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#518-520">source</a><a href="#method.boxed" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.boxed" class="fnname">boxed</a><'a>(<br> self<br>) -> Pin<Box<dyn <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a><Output = Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>> + Send + 'a, Global>><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for Pin<P></span><code class="content"><span class="where fmt-newline">impl<P> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for Pin<P><span class="where fmt-newline">where<br> P: DerefMut,<br> <P as Deref>::Target: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<P as Deref>::Target as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: 'a + Send,</span></h4></section></summary><div class='docblock'>Wrap the future in a Box, pinning it. <a href="../future/trait.FutureExt.html#method.boxed">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.boxed_local" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#532-534">source</a><a href="#method.boxed_local" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.FutureExt.html#method.boxed_local" class="fnname">boxed_local</a><'a>(<br> self<br>) -> Pin<Box<dyn <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a><Output = Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>> + 'a, Global>><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for Pin<P></span><code class="content"><span class="where fmt-newline">impl<P> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for Pin<P><span class="where fmt-newline">where<br> P: DerefMut,<br> <P as Deref>::Target: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<P as Deref>::Target as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: 'a,</span></h4></section></summary><div class='docblock'>Wrap the future in a Box, pinning it. <a href="../future/trait.FutureExt.html#method.boxed_local">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.unit_error" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#541-543">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="fnname">unit_error</a>(self) -> <a class="struct" href="../future/struct.UnitError.html" title="struct futures::future::UnitError">UnitError</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.UnitError.html" title="struct futures::future::UnitError">UnitError</a><Fut></span><code class="content"><span class="where fmt-newline">impl<Fut> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.UnitError.html" title="struct futures::future::UnitError">UnitError</a><Fut><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut, OkFn<()>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut, OkFn<()>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span></h4></section></summary><div class='docblock'>Turns a <a href="../future/trait.Future.html"><code>Future<Output = T></code></a> into a |
| <a href="../future/trait.TryFuture.html"><code>TryFuture<Ok = T, Error = ()</code>></a>. <a href="../future/trait.FutureExt.html#method.unit_error">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.never_error" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#550-552">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="fnname">never_error</a>(self) -> <a class="struct" href="../future/struct.NeverError.html" title="struct futures::future::NeverError">NeverError</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.NeverError.html" title="struct futures::future::NeverError">NeverError</a><Fut></span><code class="content"><span class="where fmt-newline">impl<Fut> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.NeverError.html" title="struct futures::future::NeverError">NeverError</a><Fut><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut, OkFn<Infallible>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><Fut, OkFn<Infallible>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span></h4></section></summary><div class='docblock'>Turns a <a href="../future/trait.Future.html"><code>Future<Output = T></code></a> into a |
| <a href="../future/trait.TryFuture.html"><code>TryFuture<Ok = T, Error = Never</code>></a>. <a href="../future/trait.FutureExt.html#method.never_error">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.poll_unpin" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#558-560">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="fnname">poll_unpin</a>(&mut self, cx: &mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a><'_>) -> <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a><Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>><span class="where fmt-newline">where<br> Self: Unpin,</span></h4></section></summary><div class='docblock'>A convenience for calling <code>Future::poll</code> on <code>Unpin</code> future types.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.now_or_never" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/future/mod.rs.html#596-598">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="fnname">now_or_never</a>(self) -> Option<Self::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>></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="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<T, U> Into<U> for T<span class="where fmt-newline">where<br> U: From<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into</a>(self) -> 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>[From]<T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-IntoFuture-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-IntoFuture-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<F> IntoFuture for F<span class="where fmt-newline">where<br> F: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Output-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Output-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Output</a> = <F as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a></h4></section></summary><div class='docblock'>The output that the future will produce on completion.</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.IntoFuture" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.IntoFuture" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">IntoFuture</a> = F</h4></section></summary><div class='docblock'>Which kind of future are we turning this into?</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_future" class="method trait-impl has-srclink"><a href="#method.into_future" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into_future</a>(self) -> <F as IntoFuture>::IntoFuture</h4></section></summary><div class='docblock'>Creates a future from a value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<T, U> TryFrom<U> for T<span class="where fmt-newline">where<br> U: Into<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = Infallible</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_from</a>(value: U) -> Result<T, <T as TryFrom<U>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFuture-for-Concat%3CSt%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_core/future.rs.html#73">source</a><a href="#impl-TryFuture-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<F, T, E> <a class="trait" href="../future/trait.TryFuture.html" title="trait futures::future::TryFuture">TryFuture</a> for F<span class="where fmt-newline">where<br> F: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a><Output = Result<T, E>> + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Ok" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Ok" class="anchor"></a><h4 class="code-header">type <a href="../future/trait.TryFuture.html#associatedtype.Ok" class="associatedtype">Ok</a> = T</h4></section></summary><div class='docblock'>The type of successful values yielded by this future</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-2" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-2" class="anchor"></a><h4 class="code-header">type <a href="../future/trait.TryFuture.html#associatedtype.Error" class="associatedtype">Error</a> = E</h4></section></summary><div class='docblock'>The type of failures yielded by this future</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_poll" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_core/future.rs.html#81">source</a><a href="#method.try_poll" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFuture.html#tymethod.try_poll" class="fnname">try_poll</a>(<br> self: Pin<&mut F>,<br> cx: &mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a><'_><br>) -> <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a><<F as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>></h4></section></summary><div class='docblock'>Poll this <code>TryFuture</code> as if it were a <code>Future</code>. <a href="../future/trait.TryFuture.html#tymethod.try_poll">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFutureExt-for-Concat%3CSt%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#134">source</a><a href="#impl-TryFutureExt-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<Fut> <a class="trait" href="../future/trait.TryFutureExt.html" title="trait futures::future::TryFutureExt">TryFutureExt</a> for Fut<span class="where fmt-newline">where<br> Fut: <a class="trait" href="../future/trait.TryFuture.html" title="trait futures::future::TryFuture">TryFuture</a> + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.flatten_sink" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#171-174">source</a><a href="#method.flatten_sink" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.flatten_sink" class="fnname">flatten_sink</a><Item>(self) -> <a class="struct" href="../future/struct.FlattenSink.html" title="struct futures::future::FlattenSink">FlattenSink</a><Self, Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>><span class="where fmt-newline">where<br> Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>: <a class="trait" href="../sink/trait.Sink.html" title="trait futures::sink::Sink">Sink</a><Item, Error = Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>>,</span></h4></section></summary><div class='docblock'>Flattens the execution of this future when the successful result of this |
| future is a <a href="../sink/trait.Sink.html" title="Sink"><code>Sink</code></a>. <a href="../future/trait.TryFutureExt.html#method.flatten_sink">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map_ok" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#217-220">source</a><a href="#method.map_ok" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.map_ok" class="fnname">map_ok</a><T, F>(self, f: F) -> <a class="struct" href="../future/struct.MapOk.html" title="struct futures::future::MapOk">MapOk</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.MapOk.html" title="struct futures::future::MapOk">MapOk</a><Fut, F></span><code class="content"><span class="where fmt-newline">impl<Fut, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.MapOk.html" title="struct futures::future::MapOk">MapOk</a><Fut, F><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, MapOkFn<F>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, MapOkFn<F>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>) -> T,</span></h4></section></summary><div class='docblock'>Maps this future’s success value to a different value. <a href="../future/trait.TryFutureExt.html#method.map_ok">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map_ok_or_else" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#257-261">source</a><a href="#method.map_ok_or_else" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.map_ok_or_else" class="fnname">map_ok_or_else</a><T, E, F>(self, e: E, f: F) -> <a class="struct" href="../future/struct.MapOkOrElse.html" title="struct futures::future::MapOkOrElse">MapOkOrElse</a><Self, F, E><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.MapOkOrElse.html" title="struct futures::future::MapOkOrElse">MapOkOrElse</a><Fut, F, G></span><code class="content"><span class="where fmt-newline">impl<Fut, F, G> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.MapOkOrElse.html" title="struct futures::future::MapOkOrElse">MapOkOrElse</a><Fut, F, G><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, ChainFn<MapOkFn<F>, ChainFn<MapErrFn<G>, MergeResultFn>>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, ChainFn<MapOkFn<F>, ChainFn<MapErrFn<G>, MergeResultFn>>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>) -> T,<br> E: FnOnce(Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>) -> T,</span></h4></section></summary><div class='docblock'>Maps this future’s success value to a different value, and permits for error handling resulting in the same type. <a href="../future/trait.TryFutureExt.html#method.map_ok_or_else">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map_err" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#308-311">source</a><a href="#method.map_err" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.map_err" class="fnname">map_err</a><E, F>(self, f: F) -> <a class="struct" href="../future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Fut, F></span><code class="content"><span class="where fmt-newline">impl<Fut, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Fut, F><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, MapErrFn<F>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, MapErrFn<F>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>) -> E,</span></h4></section></summary><div class='docblock'>Maps this future’s error value to a different value. <a href="../future/trait.TryFutureExt.html#method.map_err">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.err_into" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#341-344">source</a><a href="#method.err_into" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.err_into" class="fnname">err_into</a><E>(self) -> <a class="struct" href="../future/struct.ErrInto.html" title="struct futures::future::ErrInto">ErrInto</a><Self, E><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.ErrInto.html" title="struct futures::future::ErrInto">ErrInto</a><Fut, E></span><code class="content"><span class="where fmt-newline">impl<Fut, E> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.ErrInto.html" title="struct futures::future::ErrInto">ErrInto</a><Fut, E><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Fut, IntoFn<E>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Fut, IntoFn<E>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>: Into<E>,</span></h4></section></summary><div class='docblock'>Maps this future’s <a href="../future/trait.TryFuture.html#associatedtype.Error"><code>Error</code></a> to a new error type |
| using the <a href="std::convert::Into"><code>Into</code></a> trait. <a href="../future/trait.TryFutureExt.html#method.err_into">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ok_into" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#351-354">source</a><a href="#method.ok_into" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.ok_into" class="fnname">ok_into</a><U>(self) -> <a class="struct" href="../future/struct.OkInto.html" title="struct futures::future::OkInto">OkInto</a><Self, U><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.OkInto.html" title="struct futures::future::OkInto">OkInto</a><Fut, E></span><code class="content"><span class="where fmt-newline">impl<Fut, E> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.OkInto.html" title="struct futures::future::OkInto">OkInto</a><Fut, E><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.MapOk.html" title="struct futures::future::MapOk">MapOk</a><Fut, IntoFn<E>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.MapOk.html" title="struct futures::future::MapOk">MapOk</a><Fut, IntoFn<E>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>: Into<U>,</span></h4></section></summary><div class='docblock'>Maps this future’s <a href="../future/trait.TryFuture.html#associatedtype.Ok"><code>Ok</code></a> to a new type |
| using the <a href="std::convert::Into"><code>Into</code></a> trait. <a href="../future/trait.TryFutureExt.html#method.ok_into">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.and_then" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#395-399">source</a><a href="#method.and_then" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.and_then" class="fnname">and_then</a><Fut, F>(self, f: F) -> <a class="struct" href="../future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><Self, Fut, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><Fut1, Fut2, F></span><code class="content"><span class="where fmt-newline">impl<Fut1, Fut2, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.AndThen.html" title="struct futures::future::AndThen">AndThen</a><Fut1, Fut2, F><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.TryFlatten.html" title="struct futures::future::TryFlatten">TryFlatten</a><<a class="struct" href="../future/struct.MapOk.html" title="struct futures::future::MapOk">MapOk</a><Fut1, F>, Fut2>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.TryFlatten.html" title="struct futures::future::TryFlatten">TryFlatten</a><<a class="struct" href="../future/struct.MapOk.html" title="struct futures::future::MapOk">MapOk</a><Fut1, F>, Fut2> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>) -> Fut,<br> Fut: <a class="trait" href="../future/trait.TryFuture.html" title="trait futures::future::TryFuture">TryFuture</a><Error = Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>>,</span></h4></section></summary><div class='docblock'>Executes another future after this one resolves successfully. The |
| success value is passed to a closure to create this subsequent future. <a href="../future/trait.TryFutureExt.html#method.and_then">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.or_else" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#440-444">source</a><a href="#method.or_else" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.or_else" class="fnname">or_else</a><Fut, F>(self, f: F) -> <a class="struct" href="../future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><Self, Fut, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><Fut1, Fut2, F></span><code class="content"><span class="where fmt-newline">impl<Fut1, Fut2, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.OrElse.html" title="struct futures::future::OrElse">OrElse</a><Fut1, Fut2, F><span class="where fmt-newline">where<br> TryFlattenErr<<a class="struct" href="../future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Fut1, F>, Fut2>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <TryFlattenErr<<a class="struct" href="../future/struct.MapErr.html" title="struct futures::future::MapErr">MapErr</a><Fut1, F>, Fut2> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>) -> Fut,<br> Fut: <a class="trait" href="../future/trait.TryFuture.html" title="trait futures::future::TryFuture">TryFuture</a><Ok = Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>>,</span></h4></section></summary><div class='docblock'>Executes another future if this one resolves to an error. The |
| error value is passed to a closure to create this subsequent future. <a href="../future/trait.TryFutureExt.html#method.or_else">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.inspect_ok" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#467-470">source</a><a href="#method.inspect_ok" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.inspect_ok" class="fnname">inspect_ok</a><F>(self, f: F) -> <a class="struct" href="../future/struct.InspectOk.html" title="struct futures::future::InspectOk">InspectOk</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.InspectOk.html" title="struct futures::future::InspectOk">InspectOk</a><Fut, F></span><code class="content"><span class="where fmt-newline">impl<Fut, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.InspectOk.html" title="struct futures::future::InspectOk">InspectOk</a><Fut, F><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, InspectOkFn<F>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, InspectOkFn<F>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(&Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>),</span></h4></section></summary><div class='docblock'>Do something with the success value of a future before passing it on. <a href="../future/trait.TryFutureExt.html#method.inspect_ok">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.inspect_err" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#493-496">source</a><a href="#method.inspect_err" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.inspect_err" class="fnname">inspect_err</a><F>(self, f: F) -> <a class="struct" href="../future/struct.InspectErr.html" title="struct futures::future::InspectErr">InspectErr</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.InspectErr.html" title="struct futures::future::InspectErr">InspectErr</a><Fut, F></span><code class="content"><span class="where fmt-newline">impl<Fut, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.InspectErr.html" title="struct futures::future::InspectErr">InspectErr</a><Fut, F><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, InspectErrFn<F>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.Inspect.html" title="struct futures::future::Inspect">Inspect</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, InspectErrFn<F>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(&Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>),</span></h4></section></summary><div class='docblock'>Do something with the error value of a future before passing it on. <a href="../future/trait.TryFutureExt.html#method.inspect_err">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_flatten" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#505-508">source</a><a href="#method.try_flatten" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.try_flatten" class="fnname">try_flatten</a>(self) -> <a class="struct" href="../future/struct.TryFlatten.html" title="struct futures::future::TryFlatten">TryFlatten</a><Self, Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.TryFlatten.html" title="struct futures::future::TryFlatten">TryFlatten</a><Fut1, Fut2></span><code class="content"><span class="where fmt-newline">impl<Fut1, Fut2> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.TryFlatten.html" title="struct futures::future::TryFlatten">TryFlatten</a><Fut1, Fut2><span class="where fmt-newline">where<br> TryFlatten<Fut1, Fut2>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <TryFlatten<Fut1, Fut2> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>: <a class="trait" href="../future/trait.TryFuture.html" title="trait futures::future::TryFuture">TryFuture</a><Error = Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>>,</span></h4></section></summary><div class='docblock'>Flatten the execution of this future when the successful result of this |
| future is another future. <a href="../future/trait.TryFutureExt.html#method.try_flatten">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_flatten_stream" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#538-541">source</a><a href="#method.try_flatten_stream" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.try_flatten_stream" class="fnname">try_flatten_stream</a>(self) -> <a class="struct" href="../future/struct.TryFlattenStream.html" title="struct futures::future::TryFlattenStream">TryFlattenStream</a><Self><span class="where fmt-newline">where<br> Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>: <a class="trait" href="trait.TryStream.html" title="trait futures::stream::TryStream">TryStream</a><Error = Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>>,</span></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.TryFutureExt.html#method.try_flatten_stream">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.unwrap_or_else" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#570-573">source</a><a href="#method.unwrap_or_else" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.unwrap_or_else" class="fnname">unwrap_or_else</a><F>(self, f: F) -> <a class="struct" href="../future/struct.UnwrapOrElse.html" title="struct futures::future::UnwrapOrElse">UnwrapOrElse</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.UnwrapOrElse.html" title="struct futures::future::UnwrapOrElse">UnwrapOrElse</a><Fut, F></span><code class="content"><span class="where fmt-newline">impl<Fut, F> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.UnwrapOrElse.html" title="struct futures::future::UnwrapOrElse">UnwrapOrElse</a><Fut, F><span class="where fmt-newline">where<br> <a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, UnwrapOrElseFn<F>>: <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = <<a class="struct" href="../future/struct.Map.html" title="struct futures::future::Map">Map</a><<a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut>, UnwrapOrElseFn<F>> as <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a>>::<a class="associatedtype" href="../future/trait.Future.html#associatedtype.Output" title="type futures::future::Future::Output">Output</a>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnOnce(Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>) -> Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>,</span></h4></section></summary><div class='docblock'>Unwraps this future’s output, producing a future with this future’s |
| <a href="../future/trait.TryFuture.html#associatedtype.Ok"><code>Ok</code></a> type as its |
| <a href="../future/trait.Future.html#associatedtype.Output"><code>Output</code></a> type. <a href="../future/trait.TryFutureExt.html#method.unwrap_or_else">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_future-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#610-612">source</a><a href="#method.into_future-1" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.into_future" class="fnname">into_future</a>(self) -> <a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut></span><code class="content"><span class="where fmt-newline">impl<Fut> <a class="trait" href="../future/trait.Future.html" title="trait futures::future::Future">Future</a> for <a class="struct" href="../future/struct.IntoFuture.html" title="struct futures::future::IntoFuture">IntoFuture</a><Fut><span class="where fmt-newline">where<br> Fut: <a class="trait" href="../future/trait.TryFuture.html" title="trait futures::future::TryFuture">TryFuture</a>,</span></span><span class="where fmt-newline"> type <a href="../future/trait.Future.html#associatedtype.Output" class="associatedtype">Output</a> = Result<<Fut as <a class="trait" href="../future/trait.TryFuture.html" title="trait futures::future::TryFuture">TryFuture</a>>::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>, <Fut as <a class="trait" href="../future/trait.TryFuture.html" title="trait futures::future::TryFuture">TryFuture</a>>::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>>;</span></code></span></span></span></span></h4></section></summary><div class='docblock'>Wraps a <a href="../future/trait.TryFuture.html" title="TryFuture"><code>TryFuture</code></a> into a type that implements |
| <a href="../future/trait.Future.html"><code>Future</code></a>. <a href="../future/trait.TryFutureExt.html#method.into_future">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_poll_unpin" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/futures_util/future/try_future/mod.rs.html#619-621">source</a><a href="#method.try_poll_unpin" class="anchor"></a><h4 class="code-header">fn <a href="../future/trait.TryFutureExt.html#method.try_poll_unpin" class="fnname">try_poll_unpin</a>(<br> &mut self,<br> cx: &mut <a class="struct" href="../task/struct.Context.html" title="struct futures::task::Context">Context</a><'_><br>) -> <a class="enum" href="../task/enum.Poll.html" title="enum futures::task::Poll">Poll</a><Result<Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Ok" title="type futures::future::TryFuture::Ok">Ok</a>, Self::<a class="associatedtype" href="../future/trait.TryFuture.html#associatedtype.Error" title="type futures::future::TryFuture::Error">Error</a>>><span class="where fmt-newline">where<br> Self: Unpin,</span></h4></section></summary><div class='docblock'>A convenience method for calling <a href="../future/trait.TryFuture.html#tymethod.try_poll" title="TryFuture::try_poll"><code>TryFuture::try_poll</code></a> on [<code>Unpin</code>] |
| future types. <a href="../future/trait.TryFutureExt.html#method.try_poll_unpin">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-Concat%3CSt%3E" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-Concat%3CSt%3E" class="anchor"></a><h3 class="code-header">impl<T, U> TryInto<U> for T<span class="where fmt-newline">where<br> U: TryFrom<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = <U as TryFrom<T>>::Error</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_into</a>(self) -> Result<U, <U as TryFrom<T>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="futures" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
