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

namespace ConsoleApplication7
{

    class Program
    {
        delegate int d(int i);

        static void Main(string[] args)
        {
            d obj = x => x + 1;
            Console.WriteLine(obj(5));

            Expression <d> myEx = x => x + 1;
            int i = myEx.Compile()(77);
            Console.WriteLine(i);
        }
    }
}