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Start your free trialSam Belcher
3,719 PointsI am confused. I have watched the videos over and over again and I still don't understand
also... Do you guys have any tips on code challenges in general? I feel like they have been becoming increasingly more dificult and its hard to keep up :/
class TemperatureController: UIViewController {
var temperature: Double {
didSet {
switch self {
case self > 80: view.backgroundColor = .red
case self < 30: view.backgroundColor = .blue
default: view.backgroundColor = .green
}
}
}
init(temperature: Double) {
self.temperature = temperature
super.init()
}
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = .white
}
}
1 Answer
Steve Hunter
57,712 PointsHi there,
You are switching on self
- that's the UIViewController
instance. Switch on self.temperature
.
Then for your case
statements, I'd use a local constant. Something like:
case let x where x < 40 : view.backgroundColor = .blue
I hope that helps,
Steve.