p;&nbsp;&nbsp;<span class="keyword">sig</span><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;switch&nbsp;:&nbsp;quiet:bool&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;warning:bool&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">OpamTypes</span>.switch&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;install&nbsp;:<b