using System;

using System.Diagnostics;

​

public class Program

{

    private static int n = 42;

​

    public static bool DelegateInvocation()

    {

        Func<bool> fn = () => n == 42;

        return fn();

    }

​

​

    public static bool LocalFunctionInvocation()

    {

        return fn();

        bool fn() => n == 42;

    }

    public static void Main()

    {

        Stopwatch watch = Stopwatch.StartNew();

        DelegateInvocation();

        Console.WriteLine(watch.Elapsed);

        watch.Restart();

        LocalFunctionInvocation();

        Console.WriteLine(watch.Elapsed);

        watch.Stop();

    }

}