Method: Interval#distance

Defined in:
lib/standard/facets/interval.rb

#distance ⇒ Object Also known as: length, size

Returns the length of the interval as the difference between the first and last elements. Returns nil if the sentinal objects do not support distance comparison (#distance).

TODO: Add n parameter to count segmentations like those produced by #each.



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# File 'lib/standard/facets/interval.rb', line 128

def distance
  @last - @first
  #if @last.respond_to?( :distance )
  #  @last.distance( @first )
  #else
  #  #self.to_a.length
  #end
end