class Chronic::RepeaterDayPortion

def initialize(type, options = {})
  super
  @current_span = nil
  if type.kind_of? Integer
    @range = (@type * 60 * 60)..((@type + 12) * 60 * 60)
  else
    @range = PORTIONS[type]
    @range || raise("Invalid type '#{type}' for RepeaterDayPortion")
  end
  @range || raise("Range should have been set by now")
end