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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="Same as `try_join`, but with more futures."><title>try_join3 in futures_util::future - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-492a78a4a87dcc01.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="futures_util" data-themes="" data-resource-suffix="" data-rustdoc-version="1.82.0 (f6e511eec 2024-10-15)" data-channel="1.82.0" data-search-js="search-a99f1315e7cc5121.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-921df33f47b8780c.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-3b12f09e550e0385.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc fn"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../futures_util/index.html">futures_<wbr>util</a><span class="version">0.3.31</span></h2></div><div class="sidebar-elems"><h2><a href="index.html">In futures_<wbr>util::<wbr>future</a></h2></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Function <a href="../index.html">futures_util</a>::<wbr><a href="index.html">future</a>::<wbr><a class="fn" href="#">try_join3</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../../src/futures_util/future/try_join.rs.html#172-185">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><pre class="rust item-decl"><code>pub fn try_join3<Fut1, Fut2, Fut3>(
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future1: Fut1,
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future2: Fut2,
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future3: Fut3,
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) -> <a class="struct" href="struct.TryJoin3.html" title="struct futures_util::future::TryJoin3">TryJoin3</a><Fut1, Fut2, Fut3> <a href="#" class="tooltip" data-notable-ty="TryJoin3<Fut1, Fut2, Fut3>">ⓘ</a><div class="where">where
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Fut1: <a class="trait" href="trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a>,
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Fut2: <a class="trait" href="trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a><Error = Fut1::<a class="associatedtype" href="trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>>,
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Fut3: <a class="trait" href="trait.TryFuture.html" title="trait futures_util::future::TryFuture">TryFuture</a><Error = Fut1::<a class="associatedtype" href="trait.TryFuture.html#associatedtype.Error" title="type futures_util::future::TryFuture::Error">Error</a>>,</div></code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Same as <a href="fn.try_join.html" title="fn futures_util::future::try_join"><code>try_join</code></a>, but with more futures.</p>
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<h2 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h2>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>futures::future;
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<span class="kw">let </span>a = future::ready(<span class="prelude-val">Ok</span>::<i32, i32>(<span class="number">1</span>));
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<span class="kw">let </span>b = future::ready(<span class="prelude-val">Ok</span>::<i32, i32>(<span class="number">2</span>));
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<span class="kw">let </span>c = future::ready(<span class="prelude-val">Ok</span>::<i32, i32>(<span class="number">3</span>));
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<span class="kw">let </span>tuple = future::try_join3(a, b, c);
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<span class="macro">assert_eq!</span>(tuple.<span class="kw">await</span>, <span class="prelude-val">Ok</span>((<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>)));</code></pre></div>
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</div></details><script type="text/json" id="notable-traits-data">{"TryJoin3<Fut1, Fut2, Fut3>":"<h3>Notable traits for <code><a class=\"struct\" href=\"struct.TryJoin3.html\" title=\"struct futures_util::future::TryJoin3\">TryJoin3</a><Fut1, Fut2, Fut3></code></h3><pre><code><div class=\"where\">impl<Fut1, Fut2, Fut3> <a class=\"trait\" href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html\" title=\"trait core::future::future::Future\">Future</a> for <a class=\"struct\" href=\"struct.TryJoin3.html\" title=\"struct futures_util::future::TryJoin3\">TryJoin3</a><Fut1, Fut2, Fut3><div class=\"where\">where\n Fut1: <a class=\"trait\" href=\"trait.TryFuture.html\" title=\"trait futures_util::future::TryFuture\">TryFuture</a>,\n Fut2: <a class=\"trait\" href=\"trait.TryFuture.html\" title=\"trait futures_util::future::TryFuture\">TryFuture</a><Error = Fut1::<a class=\"associatedtype\" href=\"trait.TryFuture.html#associatedtype.Error\" title=\"type futures_util::future::TryFuture::Error\">Error</a>>,\n Fut3: <a class=\"trait\" href=\"trait.TryFuture.html\" title=\"trait futures_util::future::TryFuture\">TryFuture</a><Error = Fut1::<a class=\"associatedtype\" href=\"trait.TryFuture.html#associatedtype.Error\" title=\"type futures_util::future::TryFuture::Error\">Error</a>>,</div></div><div class=\"where\"> type <a href=\"https://doc.rust-lang.org/1.82.0/core/future/future/trait.Future.html#associatedtype.Output\" class=\"associatedtype\">Output</a> = <a class=\"enum\" href=\"https://doc.rust-lang.org/1.82.0/core/result/enum.Result.html\" title=\"enum core::result::Result\">Result</a><(Fut1::<a class=\"associatedtype\" href=\"trait.TryFuture.html#associatedtype.Ok\" title=\"type futures_util::future::TryFuture::Ok\">Ok</a>, Fut2::<a class=\"associatedtype\" href=\"trait.TryFuture.html#associatedtype.Ok\" title=\"type futures_util::future::TryFuture::Ok\">Ok</a>, Fut3::<a class=\"associatedtype\" href=\"trait.TryFuture.html#associatedtype.Ok\" title=\"type futures_util::future::TryFuture::Ok\">Ok</a>), Fut1::<a class=\"associatedtype\" href=\"trait.TryFuture.html#associatedtype.Error\" title=\"type futures_util::future::TryFuture::Error\">Error</a>>;</div>"}</script></section></div></main></body></html>
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