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iOS Object-Oriented Swift Inheritance Inheritance and Initializers

basmah Almashari
basmah Almashari
1,521 Points
Posted by basmah Almashari
basmah Almashari
1,521 Points

Error said "use '.self' to reference the type object"

hello everyone I got this error and I tried my best to solve it

any help thanks

Button.swift 
class Button {
  var width: Double
  var height: Double

  init(width:Double, height:Double){
    self.width = width
    self.height = height
  }

  func scaleBy(points: Double){
    width += points
    height += points
  }
}

class RoundButton: Button {
  var cornerRadius: Double = 5.0

  init(width:Double,height:Double,cornerRadius:Double){
    self.cornerRadius = cornerRadius
    super.init(width:Double,height:Double)
  }  
}