ign">|</span>&nbsp;<span class="constructor">PPat</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Parsetree</span>.pattern&nbsp;*&nbsp;<span class="constructor">Parsetree</span>.expression&nbsp;option<br>
&nbsp;&nbsp;<span class="keyword">and</span>&nbsp;core_type&nbsp;=&nbsp;{<br>
&nbsp;&nbsp;&nbsp;&nbsp;ptyp_desc&nbsp;:&nbsp;<span class="constructor">Parsetree</span>.core_type_desc;<br>
&nbsp;&nbsp;&nbsp;&nbsp;ptyp_loc&nbsp;:&nbsp;<span class="constructor">Location</span>.t;<br>