# File lib/ice_cube/validations/day_of_week.rb, line 5
    def day_of_week(dows)
      dows.each do |day, occs|
        occs.each do |occ|
          day = TimeUtil.sym_to_wday(day)
          validations_for(:day_of_week) << Validation.new(day, occ)
        end
      end
      clobber_base_validations :day, :wday
      self
    end