Module Unique_id

module Unique_id: sig .. end
Functors for creating modules that mint unique identifiers.

module type Id = Unique_id_intf.Id
module Int: 
functor (* : sig
end) -> Id with type t = private int
An abstract unique identifier based on ordinary OCaml integers.
module Int63: 
functor (* : sig
end) -> Id with type t = private Core_int63.t
An abstract unique identifier based on 63 bit integers.