Functor ExtSSet.Make

module Make: 
functor (Ord : OrderedType) -> S  with type elt = Ord.t

type elt 

type t 

val empty : t

val is_empty : t -> bool

val mem : elt -> t -> bool

val add : elt -> t -> t

val add_list : elt list -> t -> t

val singleton : elt -> t

val remove : elt -> t -> t

val union : t -> t -> t

val inter : t -> t -> t

val diff : t -> t -> t

val compare : t -> t -> int

val equal : t -> t -> bool

val subset : t -> t -> bool

val iter : (elt -> unit) -> t -> unit

val fold : (elt -> 'a -> 'a) -> t -> 'a -> 'a

val for_all : (elt -> bool) -> t -> bool

val exists : (elt -> bool) -> t -> bool

val filter : (elt -> bool) -> t -> t

val partition : (elt -> bool) -> t -> t * t

val cardinal : t -> int

val elements : t -> elt list

val min_elt : t -> elt

val max_elt : t -> elt

val choose : t -> elt

val choose' : t -> elt option

val split : elt -> t -> t * bool * t

val from_list : elt list -> t

val string_of : t -> string

val string_of_complex : ?start_char:string -> ?end_char:string -> t -> string