using System;

public class Program

{

    public static void Main()

    {

        {

            void LocalStuff(bool val)

            {

            }

            var a = DoStuff(LocalStuff);    

            var b = DoStuff(LocalStuff);

            Console.WriteLine(object.ReferenceEquals(a,b));

        }

        {

            Action<bool> actionStuff = val => {};

            var a = DoStuff(actionStuff);   

            var b = DoStuff(actionStuff);

            Console.WriteLine(object.ReferenceEquals(a,b));

        }

    }

    public static Action<bool> DoStuff(Action<bool> stuff)

    {

        Console.WriteLine(stuff.GetHashCode());

        return stuff;

    }

}