 	*/
 	var transitionPresent: TransitionViewController = {(fromViewController: UIViewController, toViewController: UIViewController, containerView: UIView, transitionType: TransitionType, completion: () -> Void) in
 		
-		if case let .Interactive = transitionType {
+		if case .Interactive = transitionType {
 			// Set initial frame only if the transition is not interactive
 			let beginFrame = CGRectOffset(containerView.bounds, 0, CGRectGetHeight(containerView.bounds))
 			toViewController.view.frame = beginFrame

		Handy var to get whether the transition state is none
	*/
	var isNone: Bool {
		if case let .None = self {
			return true
		}
		return false

	var isPercentDriven: Bool {
		switch self {
		case .Start(let transitionType):
			if case .Interactive = transitionType {
				return true
			}
			return false
