C#中lambda函数

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace TestLambda
{
    
    class Program
    {
        private delegate int LambdaTest(int a, int b);

        static void Main(string[] args)
        {
            int a = 12, b = 13;
            Console.WriteLine(Test(a, b));
            Console.ReadKey();
        }

        public static  int Test(int a,int b)
        {
            LambdaTest lambdaTest = (_a, _b) =>
            {
                return _a + _b;
            };
            return  lambdaTest(a, b);
        }
    }
}