One_off_timings.Kindval sexp_of_t : t -> Sexplib0.Sexp.tinclude Ppx_compare_lib.Equal.S with type t := tval to_string : t -> stringval of_string : string -> tinclude Ppx_compare_lib.Comparable.S with type t := tinclude Core.Comparator.S with type t := tval comparator : (t, comparator_witness) Base.Comparator.T.comparator