How can I use super in this exercise?

Question

I can't figure out what's wrong with my code... Am I using super correctly?
I know this (see below) would work as well... but is it also possible to use super ? If yes, how and what's wrong with my code?
```swift
class RoundButton: Button {
  var cornerRadius: Double = 5.0
  override func incrementBy(points: Double){
  width += 7.0
  height += 7.0
  }
}
```
xxx Selina
 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
   func incrementBy (_points: Double = 7.0 ){
    super.incrementBy(points)  //can I use super here? what am I doing wrong? 
  }
}
```

Jhoan Arango · Answer

Hello Selina: 
You did it, that was good. You just missed one thing, but even me would have missed that, I had to re-do the challenge to be able to figure it out. 
In your override function, instead of using the increment syntax += use the assign instead. =, that should fix it. 
Good Job. 
If you need an explanation please let me know
```swift
class RoundButton: Button {
  var cornerRadius: Double = 5.0
  override func incrementBy(points: Double){
  width = 7.0 // Change your increment to assign syntax
  height = 7.0
  }
}
```

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Selina Scherrer

Selina Scherrer

How can I use super in this exercise?

1 Answer

Jhoan Arango

Jhoan Arango