clfft 0.3.3

Bindings for clFFT, a FFT library for OpenCL.
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<h1 class='fqn'><span class='in-band'>Function <a href='../index.html'>futures</a>::<wbr><a href='index.html'>future</a>::<wbr><a class="fn" href=''>join_all</a></span><span class='out-of-band'><span id='render-detail'>
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                       [<span class='inner'>&#x2212;</span>]
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               </span><a class='srclink' href='../../src/futures/future/join_all.rs.html#75-83' title='goto source code'>[src]</a></span></h1>
<pre class='rust fn'>pub fn join_all&lt;I&gt;(i: I) -&gt; <a class="struct" href="../../futures/future/struct.JoinAll.html" title="struct futures::future::JoinAll">JoinAll</a>&lt;I&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">IntoIterator</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;I::<a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/trait.IntoIterator.html" title="trait core::iter::traits::IntoIterator">Item</a>: <a class="trait" href="../../futures/future/trait.IntoFuture.html" title="trait futures::future::IntoFuture">IntoFuture</a>,&nbsp;</span></pre><div class='docblock'><p>Creates a future which represents a collection of the results of the futures
given.</p>
<p>The returned future will drive execution for all of its underlying futures,
collecting the results into a destination <code>Vec&lt;T&gt;</code>. If any future returns
an error then all other futures will be canceled and an error will be
returned immediately. If all futures complete successfully, however, then
the returned future will succeed with a <code>Vec</code> of all the successful results.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<pre class="rust rust-example-rendered">
<span class="kw">use</span> <span class="ident">futures</span>::<span class="ident">future</span>::<span class="kw-2">*</span>;

<span class="kw">let</span> <span class="ident">f</span> <span class="op">=</span> <span class="ident">join_all</span>(<span class="macro">vec</span><span class="macro">!</span>[
    <span class="ident">ok</span>::<span class="op">&lt;</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">&gt;</span>(<span class="number">1</span>),
    <span class="ident">ok</span>::<span class="op">&lt;</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">&gt;</span>(<span class="number">2</span>),
    <span class="ident">ok</span>::<span class="op">&lt;</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">&gt;</span>(<span class="number">3</span>),
]);
<span class="kw">let</span> <span class="ident">f</span> <span class="op">=</span> <span class="ident">f</span>.<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> {
    <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">x</span>, [<span class="number">1</span>, <span class="number">2</span>, <span class="number">3</span>]);
});

<span class="kw">let</span> <span class="ident">f</span> <span class="op">=</span> <span class="ident">join_all</span>(<span class="macro">vec</span><span class="macro">!</span>[
    <span class="ident">ok</span>::<span class="op">&lt;</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">&gt;</span>(<span class="number">1</span>).<span class="ident">boxed</span>(),
    <span class="ident">err</span>::<span class="op">&lt;</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">&gt;</span>(<span class="number">2</span>).<span class="ident">boxed</span>(),
    <span class="ident">ok</span>::<span class="op">&lt;</span><span class="ident">u32</span>, <span class="ident">u32</span><span class="op">&gt;</span>(<span class="number">3</span>).<span class="ident">boxed</span>(),
]);
<span class="kw">let</span> <span class="ident">f</span> <span class="op">=</span> <span class="ident">f</span>.<span class="ident">then</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> {
    <span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">x</span>, <span class="prelude-val">Err</span>(<span class="number">2</span>));
    <span class="ident">x</span>
});</pre>
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