Method: IntervalSet#difference

Defined in:
lib/interval_set.rb

#difference(other) ⇒ IntervalSet Also known as: -

Subtracts the other object’s elements from this IntervalSet. The result is stored in a new IntervalSet.

IntervalSet[0...2, 3...5] - IntervalSet[1...4, 5...6] # -> [0...1, 4...5]

Note that using remove or difference! is more efficient than -=.

Parameters:

Returns:

  • (IntervalSet) —

    a new IntervalSet containing the difference.



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# File 'lib/interval_set.rb', line 436

def difference(other)
  case other
    when Range
      difference_range(other)
    when IntervalSet
      difference_interval_set(other)
    else
      IntervalSet.unexpected_object(other)
  end
end