tion&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Ptype_record</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Parsetree</span>.label_declaration&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Ptype_open</span><br>
&nbsp;&nbsp;<span class="keyword">and</span>&nbsp;label_declaration&nbsp;=&nbsp;{<br>
&nbsp;&nbsp;&nbsp;&nbsp;pld_name&nbsp;:&nbsp;string&nbsp;<span class