Ints.NonNegativeIntinclude Ppx_compare_lib.Comparable.S with type t := tval compare : t Base__Ppx_compare_lib.compareval zero : tval one : tval of_big_int : Z.t -> t optionval of_int_exn : int -> tval of_big_int_exn : Z.t -> tval to_int_exn : t -> intval is_zero : t -> boolval is_one : t -> boolval pp : F.formatter -> t -> unit