mentat/tokio/runtime/fn.run.html

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<h1 class='fqn'><span class='in-band'>Function <a href='../index.html'>tokio</a>::<wbr><a href='index.html'>runtime</a>::<wbr><a class="fn" href=''>run</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../../src/tokio/runtime/mod.rs.html#210-216' title='goto source code'>[src]</a></span></h1>
<pre class='rust fn'>pub fn run&lt;F&gt;(future: F) <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;F: <a class="trait" href="../../tokio/prelude/future/trait.Future.html" title="trait tokio::prelude::future::Future">Future</a>&lt;Item = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, Error = <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>&gt; + <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + 'static,&nbsp;</span></pre><div class='docblock'><p>Start the Tokio runtime using the supplied future to bootstrap execution.</p>
<p>This function is used to bootstrap the execution of a Tokio application. It
does the following:</p>
<ul>
<li>Start the Tokio runtime using a default configuration.</li>
<li>Spawn the given future onto the thread pool.</li>
<li>Block the current thread until the runtime shuts down.</li>
</ul>
<p>Note that the function will not return immediately once <code>future</code> has
completed. Instead it waits for the entire runtime to become idle.</p>
<p>See the <a href="../index.html">module level</a> documentation for more details.</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">tokio</span>::<span class="ident">net</span>::<span class="ident">TcpListener</span>;
<span class="kw">let</span> <span class="ident">listener</span> <span class="op">=</span> <span class="ident">TcpListener</span>::<span class="ident">bind</span>(<span class="kw-2">&amp;</span><span class="ident">addr</span>).<span class="ident">unwrap</span>();
<span class="kw">let</span> <span class="ident">server</span> <span class="op">=</span> <span class="ident">listener</span>.<span class="ident">incoming</span>()
.<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">e</span><span class="op">|</span> <span class="macro">println</span><span class="macro">!</span>(<span class="string">&quot;error = {:?}&quot;</span>, <span class="ident">e</span>))
.<span class="ident">for_each</span>(<span class="op">|</span><span class="ident">socket</span><span class="op">|</span> {
<span class="ident">tokio</span>::<span class="ident">spawn</span>(<span class="ident">process</span>(<span class="ident">socket</span>))
});
<span class="ident">tokio</span>::<span class="ident">run</span>(<span class="ident">server</span>);</pre>
<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
<p>This function panics if called from the context of an executor.</p>
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