Module Ulist
val create : int -> ('a, 'b) Stdlib.Hashtbl.tval mem : (string, 'a) Stdlib.Hashtbl.t -> string -> boolval add : (string, string) Stdlib.Hashtbl.t -> string -> unitval addlst : (string, string) Stdlib.Hashtbl.t -> string list -> unitval remove : (string, 'a) Stdlib.Hashtbl.t -> string -> unitval iter : ('a -> unit) -> ('a, 'b) Stdlib.Hashtbl.t -> unitval tolst : ('a, 'b) Stdlib.Hashtbl.t -> 'b list