class Chronic::RepeaterMinute

def this(pointer = :future)
  super
  case pointer
  when :future
    minute_begin = @now
    minute_end = Time.construct(@now.year, @now.month, @now.day, @now.hour, @now.min)
  when :past
    minute_begin = Time.construct(@now.year, @now.month, @now.day, @now.hour, @now.min)
    minute_end = @now
  when :none
    minute_begin = Time.construct(@now.year, @now.month, @now.day, @now.hour, @now.min)
    minute_end = Time.construct(@now.year, @now.month, @now.day, @now.hour, @now.min) + MINUTE_SECONDS
  end
  Span.new(minute_begin, minute_end)
end