class Chronic::RepeaterDay

def this(pointer = :future)
  super
  case pointer
  when :future
    day_begin = Time.construct(@now.year, @now.month, @now.day, @now.hour)
    day_end = Time.construct(@now.year, @now.month, @now.day) + DAY_SECONDS
  when :past
    day_begin = Time.construct(@now.year, @now.month, @now.day)
    day_end = Time.construct(@now.year, @now.month, @now.day, @now.hour)
  when :none
    day_begin = Time.construct(@now.year, @now.month, @now.day)
    day_end = Time.construct(@now.year, @now.month, @now.day) + DAY_SECONDS
  end
  Span.new(day_begin, day_end)
end