ctor">Parsetree</span>.core_type&nbsp;list<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Ptyp_alias</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Parsetree</span>.core_type&nbsp;*&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Ptyp_variant</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Parsetree</span>.row_field&nbsp;list&nbsp;*&nbsp;<span class=