import CardStackView

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        var views = [MyCustomView]()

        for index in 0...6 {
            var view = MyCustomView()
            views.append(view)
        }

        let cardStackView = CardStackView(cards: cardViews)
        self.view.addSubview(cardStackView)

        // autolayout your cardStackView
    }
}