Module VarUsage.Domain

module Domain: Datatype.Make(sig
type t = VarUsage.Occur.t VarUsage.Omap.t 
include Datatype.Serializable_undefined
val reprs : 'a VarUsage.Omap.t list
val name : string
end)

include Datatype.S_no_copy
val copy : Datatype.t -> Datatype.t
Deep copy: no possible sharing between x and copy x.