Contents

class Range

  #
  # Pick a random number from the range.
  #
  def rand
    Kernel.rand(self)
  end

  #
  # The middle element of this range.
  #
  def middle
    (min + max) / 2
  end

  #
  # Return a new range which is the intersection of the two ranges
  #
  def &(other)
    mins, maxes = minmax.zip(other.minmax)

    (mins.max..maxes.min)
  end
  
  #
  # Return a new range which is the union of the two ranges
  #
  def |(other)
    mins, maxes = minmax.zip(other.minmax)

    (mins.min..maxes.max)
  end
  
end

Version data entries

14 entries across 14 versions & 1 rubygems

Version	Path
epitools-0.5.57	lib/epitools/core_ext/range.rb
epitools-0.5.56	lib/epitools/core_ext/range.rb
epitools-0.5.55	lib/epitools/core_ext/range.rb
epitools-0.5.54	lib/epitools/core_ext/range.rb
epitools-0.5.51	lib/epitools/core_ext/range.rb
epitools-0.5.50	lib/epitools/core_ext/range.rb
epitools-0.5.49	lib/epitools/core_ext/range.rb
epitools-0.5.47	lib/epitools/core_ext/range.rb
epitools-0.5.46	lib/epitools/core_ext/range.rb
epitools-0.5.45	lib/epitools/core_ext/range.rb
epitools-0.5.44	lib/epitools/core_ext/range.rb
epitools-0.5.43	lib/epitools/core_ext/range.rb
epitools-0.5.42	lib/epitools/core_ext/range.rb
epitools-0.5.41	lib/epitools/core_ext/range.rb