>"%raise"</span><br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;invalid_arg&nbsp;:&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;failwith&nbsp;:&nbsp;string&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="keywordsign">'</span>a<br>
&nbsp;&nbsp;<span class="keyword">exception</span>&nbsp;<span class="constructor">Exit</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;(