"../../IR/Ident/index.html#type-t">IR.Ident.t</a> * <a href="../../IR/Exp/index.html#type-t">IR.Exp.t</a>)</span> list</span> <span class="arrow">&#45;&gt;</span></span> <a href="#type-subst">subst</a></span></code></div><div class="spec-doc"><p>Create a substitution from a list of pairs. For all (id1, e1), (id2, e2) in the input list, if id1 = id2, then e1 = e2.</p></div></div><div class="odoc-spec"><div class="spec value" id="val-subst_of_list_duplicates" class="anchored"><a href="#val-subst_of_list_dupli