
<p>
        This typedef uses the C++11 <code class="computeroutput">&lt;chrono&gt;</code> standard library
        facility, if available. Otherwise, it may use the Boost.Chrono library. To
        explicitly utilise Boost.Chrono, use the <a class="link" href="basic_waitable_timer.html" title="basic_waitable_timer"><code class="computeroutput">basic_waitable_timer</code></a>
        template directly:
      </p>
<pre class="programlisting">typedef basic_waitable_timer&lt;boost::chrono::steady_clock&gt; ti