using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace _07匿名函数和lamda表达式语法

{

    public delegate void DelTest1();

    public delegate string DelTest2();

    public delegate string DelTest3(string str);

    class Program

    {

        static void Main(string[] args)

        {

            //DelTest1 del1 = T1;指向普通的函数

            //DelTest1 del2 = delegate() { };匿名函数

            //DelTest1 del3 = () => { };lamda表达式

            //DelTest2 del1 = T2;

            //DelTest2 del2 = delegate() { return null; };

            //DelTest2 del3 = () => { return null; };

            //DelTest3 del1 = T3;

            DelTest3 del2 = delegate(string str) { return null; };

            DelTest3 del3 = (str) => { return null; };

            DelTest3 del4 = str => null;

        }

        static void T1()

        { }

        static string T2()

        {

            return null;

        }

        static string T3(string str)

        {

            return null;

        }

    }

}