Functor Tuple.Hashable

module Hashable: 
functor (S1 : Hashable_sexpable) -> 
functor (S2 : Hashable_sexpable) -> Hashable.S  with type hashable = S1.hashable * S2.hashable

type hashable 

module Hashable: sig .. end

val hash : hashable -> int

module Table: Table_sig(Hashable).S 

module Hash_set: Hash_set_intf.S  with type elem = hashable

module Hash_queue: Hash_queue.S  with type Key.t = hashable

module Hash_heap: Hash_heap.S  with type Key.t = hashable