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

		Handy var to get whether the transition has started
	*/
	var didTransitionStart: Bool {
		if case let .Start = self {
			return true
		}
		return false

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