         drawerViewController.willMoveToParentViewController(nil)
         addChildViewController(vc)
         vc.view.frame = drawerContainerView.frame
-        drawerContainerView.subviews.each { $0.removeFromSuperview() }
+        for v in drawerContainerView.subviews { v.removeFromSuperview() }
         drawerContainerView.addSubview(vc.view)
         vc.view.pinToParentView()
         drawerViewController.removeFromParentViewController()

        contentViewController.willMoveToParentViewController(nil)
        addChildViewController(vc)
        vc.view.frame = contentContainerView.frame
        contentContainerView.subviews.each { $0.removeFromSuperview() }
        contentContainerView.addSubview(vc.view)
        vc.view.pinToParentView()
        contentViewController.removeFromParentViewController()

    
    // ***
}
