Util_cache.CSet
val empty : int -> 'a t
val length : 'a t -> int
val size : 'a t -> int
val is_empty : 'a t -> bool
val has : 'a -> 'a t -> bool
val of_list : int -> 'a list -> 'a t
val to_list : 'a t -> 'a list
val elems : 'a t -> 'a list
val pp : 'a Fmt.t -> Stdlib.Format.formatter -> 'a t -> unit
val pp_short : Stdlib.Format.formatter -> 'a t -> unit
val length_array__ : 'a t -> int