module type S =sig
..end
type
t
module Hashable:T
with type t = t
val hash : t -> int
val compare : t -> t -> int
val hashable : t Hashable.Hashtbl.Hashable.t
module Table:Hashable.Hashtbl.S
with type key = t
module Hash_set:Hash_set.S
with type elt = t
module Hash_queue:Hash_queue.S
with type Key.t = t
module Hash_heap:Hash_heap.S
with type Key.t = t