UINavigation处理某些ViewController的特定向后滑动

Question

在当前项目中，我使用一个主要的UINavigationController，并且已推送了要显示的每个控制器。另外，我已从UINavigationController的默认用户体验启用弹出手势，当我在屏幕左侧滑动时，它将弹出我的视图控制器，并且一切正常。

self.navigationController?.interactivePopGestureRecognizer?.isEnabled = false
self.navigationController?.interactivePopGestureRecognizer?.delegate = self

extension MyCustomViewController: UIGestureRecognizerDelegate{
    func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
        return true
    }

    func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldBeRequiredToFailBy otherGestureRecognizer: UIGestureRecognizer) -> Bool {
        return gestureRecognizer.isKind(of: UIScreenEdgePanGestureRecognizer.self)
    }
}

但是在某些情况下，我在滑动ViewController时需要处理特定的操作。我要使用此功能，而不是弹出ViewController：

extension UINavigationController {
    func backToViewController(vc: Swift.AnyClass) {
        for element in viewControllers as Array {
            if element.isKind(of: vc) {
                self.popToViewController(element, animated: true)
                break
            }
        }   
    }
}