Reason · Reason lets you write simple, fast and quality type safe code while leveraging both the JavaScript & OCaml ecosystems.

sig
 type elt
 type t
 val empty : Set.S.t
 val is_empty : Set.S.t -> bool
 val mem : Set.S.elt -> Set.S.t -> bool
 val add : Set.S.elt -> Set.S.t -> Set.S.t
 val singleton : Set.S.elt -> Set.S.t
 val remove : Set.S.elt -> Set.S.t -> Set.S.t
 val union : Set.S.t -> Set.S.t -> Set.S.t
 val inter : Set.S.t -> Set.S.t -> Set.S.t
 val disjoint : Set.S.t -> Set.S.t -> bool
 val diff : Set.S.t -> Set.S.t -> Set.S.t
 val compare : Set.S.t -> Set.S.t -> int
 val equal : Set.S.t -> Set.S.t -> bool
 val subset : Set.S.t -> Set.S.t -> bool
 val iter : (Set.S.elt -> unit) -> Set.S.t -> unit
 val map : (Set.S.elt -> Set.S.elt) -> Set.S.t -> Set.S.t
 val fold : (Set.S.elt -> 'a -> 'a) -> Set.S.t -> 'a -> 'a
 val for_all : (Set.S.elt -> bool) -> Set.S.t -> bool
 val exists : (Set.S.elt -> bool) -> Set.S.t -> bool
 val filter : (Set.S.elt -> bool) -> Set.S.t -> Set.S.t
 val filter_map : (Set.S.elt -> Set.S.elt option) -> Set.S.t -> Set.S.t
 val partition : (Set.S.elt -> bool) -> Set.S.t -> Set.S.t * Set.S.t
 val cardinal : Set.S.t -> int
 val elements : Set.S.t -> Set.S.elt list
 val min_elt : Set.S.t -> Set.S.elt
 val min_elt_opt : Set.S.t -> Set.S.elt option
 val max_elt : Set.S.t -> Set.S.elt
 val max_elt_opt : Set.S.t -> Set.S.elt option
 val choose : Set.S.t -> Set.S.elt
 val choose_opt : Set.S.t -> Set.S.elt option
 val split : Set.S.elt -> Set.S.t -> Set.S.t * bool * Set.S.t
 val find : Set.S.elt -> Set.S.t -> Set.S.elt
 val find_opt : Set.S.elt -> Set.S.t -> Set.S.elt option
 val find_first : (Set.S.elt -> bool) -> Set.S.t -> Set.S.elt
 val find_first_opt : (Set.S.elt -> bool) -> Set.S.t -> Set.S.elt option
 val find_last : (Set.S.elt -> bool) -> Set.S.t -> Set.S.elt
 val find_last_opt : (Set.S.elt -> bool) -> Set.S.t -> Set.S.elt option
 val of_list : Set.S.elt list -> Set.S.t
 val to_seq_from : Set.S.elt -> Set.S.t -> Set.S.elt Stdlib.Seq.t
 val to_seq : Set.S.t -> Set.S.elt Stdlib.Seq.t
 val to_rev_seq : Set.S.t -> Set.S.elt Stdlib.Seq.t
 val add_seq : Set.S.elt Stdlib.Seq.t -> Set.S.t -> Set.S.t
 val of_seq : Set.S.elt Stdlib.Seq.t -> Set.S.t
end