-t">IR.Procdesc.Node.t</a> <span>&#45;&gt;</span> <a href="../../IR/Procdesc/Node/index.html#type-t">IR.Procdesc.Node.t</a>)</span> <span>&#45;&gt;</span> <span class="type-var">'a</span> <span>&#45;&gt;</span> <a href="../TypeErr/InstrRef/index.html#type-t">TypeErr.InstrRef.t</a> <span>&#45;&gt;</span> <span class="type-var">'b</span> <span>&#45;&gt;</span> <span>expr_rhs:<span class="type-var">'c</span></span> <span>&#45;&gt;</span> <span>field_type:<a href="../../IR/Typ/index.html#type-t">IR.Typ.t</a></s