Call constructor from parent class : super « Class « Ruby

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Ruby » Class » super

Call constructor from parent class





class Button

  def initialize(label)

  end

end

class StartButton < Button

  def initialize

    super("Start")       # invoke Button's initialize

  end

  def button_pressed

    # do start actions...

  end

end



start_button = StartButton.new

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To pass the color to the constructor of the base class, you use the special super method

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