“Triple ist gleich schnell” Code-Antworten

Triple ist gleich schnell

import UIKit


class TripleEqualsExample : Equatable {
    let value: Int
     

    init(value: Int) {
        self.value = value
    }

    static func == (lhs: TripleEqualsExample, rhs: TripleEqualsExample) -> Bool {
        return lhs.value == rhs.value
    }
}



class TripleEqualsExampleViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        
        
        self.view.backgroundColor = .white

        ///Triple Equals check that both object's reference is same or not.
        
        let instances1 = TripleEqualsExample(value: 5)
        let instances2 = TripleEqualsExample(value: 5)
        
        let instances3 = instances1

        if instances1 == instances2 {
           print("the two instances are equal!")
        }
        
        
        if instances1 === instances2 {
           //It does not enter here
        } else {
           print("the two instances are not identical!")
        }
        
        
        if instances3 === instances1 {
           print("the two instances are identical!")
        }
    }

}