循環参照

循環参照.md

循環参照

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        let myClass1: MyClass? = MyClass()
        let myClass2: MyClass? = MyClass()
        let myClass3: MyClass? = MyClass()
        
        myClass1?.next = myClass2
        myClass2?.next = myClass3
        myClass3?.next = myClass1
    }
}

class MyClass {
    var next: MyClass?
    deinit {
        print("deinit")
    }
}

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