Module Identifiable

module Identifiable: Identifiable

module type S = sig .. end
module Of_stringable (T : Stringable.S) : S  with type t = T.t
Of_stringable and Of_sexpable each create an identifiable that uses string conversions for binable, sexpable, equality, hash, compare, and pp.
module Of_sexpable (T : Sexpable.S) : S  with type t = T.t