Ppxutil.Pattval applist : MLast.patt -> MLast.patt list -> MLast.pattval unapplist : MLast.patt -> MLast.patt * MLast.patt listval wrap_attrs : MLast.patt -> MLast.attribute list -> MLast.pattval unwrap_attrs : MLast.patt -> MLast.patt * MLast.attribute listval tuple : MLast.loc -> MLast.patt list -> MLast.patt