method

intersect?

v2_4_6 - Show latest stable - 0 notes - Class: Set

1_8_6_287
1_8_7_72
1_8_7_330
1_9_1_378
1_9_2_180
1_9_3_125
1_9_3_392
2_1_10 (0)
2_2_9 (38)
2_4_6 (0)
2_5_5 (-7)
2_6_3 (0)
What's this?

intersect?(set) public

Returns true if the set and the given set have at least one element in common.

e.g.:

require 'set'
Set[1, 2, 3].intersect? Set[4, 5] # => false
Set[1, 2, 3].intersect? Set[3, 4] # => true

Show source

# File lib/set.rb, line 297
  def intersect?(set)
    set.is_a?(Set) or raise ArgumentError, "value must be a set"
    if size < set.size
      any? { |o| set.include?(o) }
    else
      set.any? { |o| include?(o) }
    end
  end

intersect?

Related methods