委托的泛型版本

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace demo5
{
    class Program
    {
        public delegate T del<T>(T t);
        public static string say(string msg) { return ""; }
        public static int say1(int msg) { return 0; }
        static void Main(string[] args)
        {
            del<string> d1 = say;
            del<int> d2 = say1;
        }
    }
}