Call constructor from parent class : super « Class « Ruby

1. Ruby
2. Class
3. 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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