Module Wprop.Indexed2.P

module P: Datatype.Pair_with_collections(Key1)(Key2)(sig

val module_name : string
end)

include Datatype.S

module Set: Datatype.Set  with type elt = t

module Map: Datatype.Map  with type key = t

module Hashtbl: Datatype.Hashtbl  with type key = t