Answers for "property observer in swift"

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property observer in swift

struct Person {
    var clothes: String {
        willSet {
            updateUI(msg: "I'm changing from \(clothes) to \(newValue)")
        }

        didSet {
            updateUI(msg: "I just changed from \(oldValue) to \(clothes)")
        }
    }
}

func updateUI(msg: String) {
    print(msg)
}

var taylor = Person(clothes: "T-shirts")
taylor.clothes = "short skirts"

Posted by: Guest on March-07-2022

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