ass="def record field anchored"><a href="#type-model_desc.params" class="anchor"></a><code><span>params : <span><span>(<a href="../../../../Ident/index.html#type-t">Ident.t</a> * <a href="#type-type_expr">type_expr</a>)</span> list</span>;</span></code></li><li id="type-model_desc.ios" class="def record field anchored"><a href="#type-model_desc.ios" class="anchor"></a><code><span>ios : <span><span>(<a href="../../../../Ident/index.html#type-t">Ident.t</a> * <span>(<a href="#type-io_cat">io_cat</a> * <a href