me="idp73016304"></a> 
The clock type.
        </p>
<pre class="programlisting"><span class="keyword">typedef</span> <span class="identifier">Clock</span> <span class="identifier">clock_type</span><span class="special">;</span>
</pre>
<h6>
<a name="boost_asio.reference.waitable_timer_service.clock_type.h0"></a>
          <span><a name="boost_asio.reference.waitable_timer_service.clock_type.requirements"></a></span><a class="link" href="clock_type.html#boost_asio.reference.waitable_timer_service.clock_type.r