Module type Hashable.Hashable
type 'a t = {
hash : 'a -> int;
compare : 'a -> 'a -> int;
sexp_of_t : 'a -> Sexp.t;
}
val equal : 'a t -> 'a t -> bool
val of_key : (module Key with type t = 'a) -> 'a t
val to_key : 'a t -> (module Key with type t = 'a)
val hash_param : int -> int -> 'a -> int