module ExtSSet: sig .. end
Extends the OCaml Set with a string_of function.
Author(s): : Phillip Heidegger
module type OrderedType = sig .. end
Module type that extends the Map.OrderedType with some
information needed to print the Map.
module type S = sig .. end
Output signature of the functor OwnSet.Make.
module Make:
Like Set.Make, but with string_of.