method

merge

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merge(enum) public

Merges the elements of the given enumerable object to the set and returns self.

# File lib/set.rb, line 259
  def merge(enum)
    if enum.is_a?(Set)
      @hash.update(enum.instance_eval { @hash })
    else
      enum.is_a?(Enumerable) or raise ArgumentError, "value must be enumerable"
      enum.each { |o| add(o) }
    end

    self
  end

merge

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