Func<string, string> test = delegate(string s) { return s + "end"; };
Console.WriteLine(test("llllll"));
Func<string, string> test1 = param => { return "start" + param; };
Console.WriteLine(test1("llllll"));
Action<string> test2 = delegate(string s) { Console.WriteLine(s); };
test2("test2");
Action<string> test3 = s => { Console.WriteLine(s); };
test2("test3");