t class="spec value" id="val-subst"><a href="#val-subst" class="anchor"></a><code><span class="keyword">val</span> subst : <span>callsite:<a href="../../IBase/Location/index.html#type-t">IBase.Location.t</a></span> <span>&#45;&gt;</span> <span>formals:<span><span>(<a href="../../IR/Pvar/index.html#type-t">IR.Pvar.t</a> * <a href="../../IR/Typ/index.html#type-t">IR.Typ.t</a>)</span> list</span></span> <span>&#45;&gt;</span> <span>actuals:<span><a href="../../Absint/HilExp/index.html#type-t">Absint.HilExp.t</