c# 匿名委托

using System;

namespace AnonymousMethod
{
    delegate void ArithmeticOperation(double operand1, double operand2);

    class Program
    {
        static void Main(string[] args)
        {
            ArithmeticOperation sum = delegate (double number1, double number2)
            {
                Console.WriteLine($"{number1} + {number2} = {number1 + number2}");
            };
            sum(, );
            Console.WriteLine();
        }
    }
}

参考:

https://itnext.io/delegates-anonymous-methods-and-lambda-expressions-5ea4e56bbd05