pan>&nbsp;constructor_declaration&nbsp;=&nbsp;{<br>
&nbsp;&nbsp;&nbsp;&nbsp;pcd_name&nbsp;:&nbsp;string&nbsp;<span class="constructor">Asttypes</span>.loc;<br>
&nbsp;&nbsp;&nbsp;&nbsp;pcd_args&nbsp;:&nbsp;<span class="constructor">Parsetree</span>.constructor_arguments;<br>
&nbsp;&nbsp;&nbsp;&nbsp;pcd_res&nbsp;:&nbsp;<span class="constructor">Parsetree</span>.core_type&nbsp;option;<br>
&nbsp;&nbsp;&nbsp;&nbsp;pcd_loc&nbsp;:&nbsp;<span class="constructor">Location</span>.t;<br>
&nbsp;&nbsp;&nbsp;&nbsp;pcd_at