Ruby: make ranges always include the last value

technodolt (Luke Ivers) — Thu, 12 Apr 2007 17:36:56 GMT

So, in conjunction with other snipped about setting up intervals on Time, this can be added to Range to make sure it always includes the last value, even if the interval doesn't directly land you on the end value



class Range

  def each(options = {}, &block)

    val = self.begin

    while val < self.end

      yield val

      val = val.succ

    end

    yield self.end if self.end == val || options[:always_include_last]

  end

end

Ruby: set an interval for your Time (useful for ranges, especially)

technodolt (Luke Ivers) — Thu, 12 Apr 2007 17:35:57 GMT



class Time

  def set_interval(seconds)

    @interval = seconds

  end

  def succ

    @interval ||= 1

    ret = self + @interval

    ret.set_interval(@interval)

    ret

  end

end

DZone Snippets: Technodolt's Code Snippets

Ruby: make ranges always include the last value

Ruby: set an interval for your Time (useful for ranges, especially)