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- <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `futures_ordered` fn in crate `futures`."><meta name="keywords" content="rust, rustlang, rust-lang, futures_ordered"><title>futures::stream::futures_ordered - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script></head><body class="rustdoc fn"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><div class="sidebar-elems"><p class='location'><a href='../index.html'>futures</a>::<wbr><a href='index.html'>stream</a></p><script>window.sidebarCurrent = {name: 'futures_ordered', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Function <a href='../index.html'>futures</a>::<wbr><a href='index.html'>stream</a>::<wbr><a class="fn" href=''>futures_ordered</a></span><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/futures/stream/futures_ordered.rs.html#104-115' title='goto source code'>[src]</a></span></h1><pre class='rust fn'>pub fn futures_ordered<I>(<br> futures: I<br>) -> <a class="struct" href="../../futures/stream/struct.FuturesOrdered.html" title="struct futures::stream::FuturesOrdered">FuturesOrdered</a><<I::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::IntoIterator::Item">Item</a> as <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>>::<a class="type" href="../../futures/future/trait.IntoFuture.html#associatedtype.Future" title="type futures::future::IntoFuture::Future">Future</a>> <span class="where fmt-newline">where<br> I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a>,<br> I::<a class="type" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html#associatedtype.Item" title="type core::iter::traits::IntoIterator::Item">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>, </span></pre><div class='docblock'><p>Converts a list of futures into a <code>Stream</code> of results from the futures.</p>
- <p>This function will take an list of futures (e.g. a vector, an iterator,
- etc), and return a stream. The stream will yield items as they become
- available on the futures internally, in the order that their originating
- futures were submitted to the queue. If the futures complete out of order,
- items will be stored internally within <code>FuturesOrdered</code> until all preceding
- items have been yielded.</p>
- <p>Note that the returned queue can also be used to dynamically push more
- futures into the queue as they become available.</p>
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