method

flatten!

Ruby latest stable (v1_9_3_392) - 0 notes - Class: Set

flatten!() public

Equivalent to Set#flatten, but replaces the receiver with the result in place. Returns nil if no modifications were made.

Show source

# File lib/set.rb, line 175
  def flatten!
    if detect { |e| e.is_a?(Set) }
      replace(flatten())
    else
      nil
    end
  end