static void Main(string[] args)
{
MyDelegate d = new MyDelegate((x) => Console.WriteLine(x));
d("Hello World!");
var d2 = new MyDelegate2((x) => x + 0.1);
Console.WriteLine(d2(1));
var d3 = new MyDelegate3(calculate_square);
Console.WriteLine(d3.Invoke(3));
var d4 = new MyDelegate4(Method1);
var d5 = new MyDelegate4(Method2);
MyDelegate4 d6 = d4 + d5;
d6.Invoke();
Func <int, int> get_square = calculate_square;
Console.WriteLine(get_square(5));
Action myDelegateMethod1 = Method1;
myDelegateMethod1.Invoke();
Action myDelegateDemo = () =>
{
Console.WriteLine("hi");
};
myDelegateDemo.Invoke();
List <int> myIntList = new List <int> {
1, 3, 5, 99, 100, 200, 500, 999
};
var myBigNubmers = myIntList.Where(IsBigNumber);
Console.WriteLine(String.Join(",", myBigNubmers.Select(x => x.ToString())));
List <int> excludeList = Exclude(myIntList, IsBigNumber);
Console.WriteLine(String.Join(",", excludeList.Select(x => x.ToString())));
IEnumerable <Person> people = new List <Person>()
{
new Person("fang", "chen", new DateTime(1982, 7, 6)),
new Person("fang2", "chen2", new DateTime(1982, 7, 5)),
new Person("fang3", "chen3", new DateTime(1982, 7, 4))
};
var newOrderedPeople = people.OrderBy(GetSortFunction(SortOrder.BirthDate));
Console.WriteLine(String.Join("; ", newOrderedPeople.Select(p => p.ToString())));
}
static void Main(string[] args)
{
Functional functional = new Functional(Method);
MyDelegate3 myDelegate3 = functional.Invoke(new MyDelegate1(Method1), new MyDelegate2(Method2));
//оно впихнуло анонимный метод в myDelegate3, который возвратит Hello World
Console.WriteLine(myDelegate3.Invoke());
//Delay
Console.ReadKey();
}