Kappa_data_structures.IntCollectionImperative int set
val create : int -> tcreate initial_guess_size
val is_empty : t -> boolval size : t -> intval mem : int -> t -> boolval add : int -> t -> unitval remove : int -> t -> unitval random : Stdlib.Random.State.t -> t -> int optionval fold : (int -> 'a -> 'a) -> t -> 'a -> 'aval print : Stdlib.Format.formatter -> t -> unit