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iOS Object-Oriented Swift Inheritance Overriding Methods

When I override the method it keeps giving me an error even though they look the same

I am trying to implement the method in the subclass. I did the override and the underscore and even wrote in the height and width so the code would pretty much be the same as in the base class. Can someone please tell me what i'm doing wrong? The error is saying the i did not implement the function and the "points" is undeclared.

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

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

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

class RoundButton: Button {
  var cornerRadius: Double = 5.0

  override func incrementBy(_points: Double = 7.0) {
 width += points
 height += points
  }
}

1 Answer