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iOS Object-Oriented Swift Classes and Objects Classes and Their Methods

Posted by Zach Schapiro
Zach Schapiro
1,060 Points

Why does this not work?

Why does this not work

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
}

1 Answer