&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Pdir_int</span>&nbsp;<span class="keyword">of</span>&nbsp;string&nbsp;*&nbsp;char&nbsp;option<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Pdir_ident</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Longident</span>.t<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Pdir_bool</span>&nbsp;<span class="keywor