val is_subset : ('a, 'b) Named.t -> of_:('a, 'b) Named.t -> unit Or_error.tval equal : ('a, 'b) Named.t -> ('a, 'b) Named.t -> unit Or_error.tUsing_comparator.Namedval is_subset : ('a, 'b) Named.t -> of_:('a, 'b) Named.t -> unit Or_error.tval equal : ('a, 'b) Named.t -> ('a, 'b) Named.t -> unit Or_error.t