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iOS Object-Oriented Swift Inheritance Overriding Methods

Shawn Fair
Shawn Fair
1,651 Points
Posted by Shawn Fair
Shawn Fair
1,651 Points

What am i doing wrong?

I don't know what i am missing?

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

Steven Deutsch
Steven Deutsch
21,046 Points
Steven Deutsch
Steven Deutsch
21,046 Points

Hey there Shawn Fair,

The primary problem I see is in what you're returning from your override function. 

class RoundButton: Button  {
      var cornerRadius: Double = 5.0
      override func incrementBy(_ points: Double = 7.0)  {
            return incrementBy(points)
      }
}

This should solve your problem. Goodluck