C# lambda表達式

C# lambda表達式

using System;
using System.Linq;
using System.Reflection;
using System.Collections.Generic;
namespace Lambda表達式
{
    class Program
    {
        static void Main(string[] args)
        {
            // Lambda expression
            Func<int, int> square = x => x * x;
            Console.WriteLine(10);

            // Use lambda expression when write LINQ 
            int[] numbers = { 1, 2, 3, 4, 5, 6 };
            var squareNumbers = numbers.Select(x => x * x);
            Console.WriteLine(string.Join(" ", squareNumbers));

            // Statement lambdas
            Action<string> greet = name =>
             {
                 string greeting = "Hello";
                 Console.WriteLine($"{greeting},{name}");
             };
            greet("World!");
            Console.ReadKey();
        }
    } 
}

參考