Module Creators_and_accessors2_with_comparator.Named
val is_subset : comparator:('a, 'cmp) Comparator.t -> ('a, 'cmp) named -> of_:('a, 'cmp) named -> unit Or_error.tval equal : comparator:('a, 'cmp) Comparator.t -> ('a, 'cmp) named -> ('a, 'cmp) named -> unit Or_error.t