ent">e</span>));

<span class="ident">tokio</span>::<span class="ident">run</span>(<span class="ident">task</span>);</pre>
<p>Establishing a TCP connection usually cannot be completed immediately.
<a href="../net/struct.TcpStream.html#method.connect"><code>TcpStream::connect</code></a> does not block the current thread. Instead, it
returns a <a href="../net/struct.ConnectFuture.html">future</a> that resolves once the TCP connection has
been established. The connect future itself has no way of knowing when t