ass="constructor">Mutex</span>.lock&nbsp;m;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="comment">(*&nbsp;Critical&nbsp;section&nbsp;that&nbsp;operates&nbsp;over&nbsp;D&nbsp;*)</span>;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Mutex</span>.unlock&nbsp;m<br>
&nbsp;&nbsp;&nbsp;</code><br>
</p><hr width="100%">
<pre><span id="TYPEt"><span class="keyword">type</span> <code class="type"></code>t</span> </pre>
<div class="info">
The type of mutexes.<br>
</div>

<pre><span id="VALcreate"><span 