Replaces the contents of the set with the contents of the given enumerable object and returns self.

Source Code

# File set.rb, line 100
def replace(enum)
  if enum.class == self.class
    @hash.replace(enum.instance_eval { @hash })
  else
    enum.is_a?(Enumerable) or raise ArgumentError, "value must be enumerable"
    clear
    enum.each { |o| add(o) }
  end

  self
end