static void Main(string[] args)
{
//lamda表达式 项目中使用的好多
//goes to =>滚向
//使用匿名函数实现
DelOne del = delegate()
{
Console.WriteLine("匿名函数的使用");
};
//使用lamda表达式实现:表示方法参数，表示方法体
DelOne del1 = () => { };
DelTwo del2 = (string name) => { };
DelThree del3 = (string name) => { return(name); };
//匿名函数的调用和执行
del();
del1();
del2("陈如水");
del3("陈如水");
List <int> list = new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9
};
list.RemoveAll(n => n > 4);
foreach (var item in list)
{
Console.WriteLine(item);
}
Console.ReadKey();
}
static void Main(string[] args)
{
Delegatos delegator = new Delegatos();
DelOne dele1 = delegator.Uno;
DelTwo dele2 = delegator.Dos;
DelThree dele3 = delegator.Tress;
dele1();
Console.WriteLine(dele2());
dele3("1", "2", 3);
Console.ReadLine();
}
static void Main(string[] args)
{
DelOne del = () => { }; //delegate() { };
DelTwo del2 = (int num) => { }; //delegate(int num) { };
DelThree del3 = (string name) => { return(name); }; //delegate(string name) { return name; };
//例如数组中的条件也可以用表达式表示
List <int> nums = new List <int> {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
};
//表达式 n => n>3
nums.RemoveAll(n => n > 3);
}
static void Main(string[] args)
{
DelOne del = () => { }; //delegate(){ };
DelTwo del2 = (string name) => { }; //delegate(string name){ };
DelThree del3 = (string name) => { return(name); }; //delegate(string name){return name};
List <int> list = new List <int>()
{
1, 2, 3, 4, 5, 6, 7, 8, 9
};
list.RemoveAll(n => n > 4);
foreach (var item in list)
{
Console.WriteLine(item);
}
Console.ReadKey();
}
static void Main(string[] args)
{
DelOne del = () => { }; //delegate() { };
DelTwo del2 = (string name) => { }; //delegate(string name) { };
DelThree del3 = (string name) => { return(name); };
List <int> list = new List <int>()
{
4, 8, 12, 24, 5, 9, 6
};
list.RemoveAll(n => n > 6);
//for (int i = 0; i < list.Count; i++)
//{
// Console.WriteLine(list[i]);
//}
foreach (var item in list)
{
Console.WriteLine(item);
}
}
static void Main(string[] args)
{
DelOne one = () => { };
DelTwo two = (string name) => { };
DelThree three = (string name) => { return(name); };
}
