Tuple extensions

   public static class TupleExtensions
   {
        public static R Apply<T1, T2, R>(this Tuple<T1, T2> self, Func<T1, T2, R> func)
        {
            return func(self.Item1, self.Item2);
        }

        public static R Apply<T1, T2, T3, R>(this Tuple<T1, T2, T3> self, Func<T1, T2, T3, R> func)
        {
            return func(self.Item1, self.Item2, self.Item3);
        }

        public static R Apply<T1, T2, T3, T4, R>(this Tuple<T1, T2, T3, T4> self, Func<T1, T2, T3, T4, R> func)
        {
            return func(self.Item1, self.Item2, self.Item3, self.Item4);
        }

        public static R Apply<T1, T2, T3, T4, T5, R>(this Tuple<T1, T2, T3, T4, T5> self, Func<T1, T2, T3, T4, T5, R> func)
        {
            return func(self.Item1, self.Item2, self.Item3, self.Item4, self.Item5);
        }

        public static void Apply<T1, T2>(this Tuple<T1, T2> self, Action<T1, T2> func)
        {
            func(self.Item1, self.Item2);
        }

        public static void Apply<T1, T2, T3>(this Tuple<T1, T2, T3> self, Action<T1, T2, T3> func)
        {
            func(self.Item1, self.Item2, self.Item3);
        }

        public static void Apply<T1, T2, T3, T4>(this Tuple<T1, T2, T3, T4> self, Action<T1, T2, T3, T4> func)
        {
            func(self.Item1, self.Item2, self.Item3, self.Item4);
        }

        public static void Apply<T1, T2, T3, T4, T5>(this Tuple<T1, T2, T3, T4, T5> self, Action<T1, T2, T3, T4, T5> func)
        {
            func(self.Item1, self.Item2, self.Item3, self.Item4, self.Item5);
        }
    }