gesture

Assets/UIWidgets/foundation/basic_types.cs

             return it.Count != 0;
         }
 
-        public static bool isEmpty(this ICollection it) {
+        public static bool isEmpty<T>(this Queue<T> it) {
-        public static bool isNotEmpty(this ICollection it) {
+        public static bool isNotEmpty<T>(this Queue<T> it) {
             return it.Count != 0;
         }