Swift Presentation - Properties

gistfile1.txt

protocol Exercising {
  var heartRateIncrement : Int { get set }
  func describe() -> String
}

class Sprint : Exercising {
  var isWindSprint : Bool {
    get {
      return heartRateIncrement > 40
    }
  }
  init() {
    heartRateIncrement = 30
  }
    
  var heartRateIncrement : Int {
    willSet (newIncrementor) {
      println("About to set incrementor to \(newIncrementor)")
    }
    didSet {
      println("Set incrementor to \(heartRateIncrement)")
    }
  }
  func describe() -> String {
    if isWindSprint {
      return "Windsprinting"
    } else {
      return "Sprinting"
    }
  }
}