using System;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        //Console.WriteLine("start");

        //First();

        //Console.WriteLine("End");

        /*Console.WriteLine("start");

        Second();

        Console.WriteLine("end");

        */

        /*

        Wrap(First);

        Wrap(Second);

        */

        Try("2", (msg1) => Wrap(msg1, First));

        //Wrap(() => Try(Second));

    }

    public static void First(string msg)

    {

        Console.WriteLine($"executing first function with {msg}");

    }

​

    public static void Second(string msg)

    {

        Console.WriteLine($"executing second function with {msg}");

    }

​

    public static void Wrap(string msg, Action<string> function)

    {

        Console.WriteLine("start");

        function(msg);

        Console.WriteLine("end");

    }

    public static void Try(string msg, Action<string> function)

    {

        Console.WriteLine("Trying");

        try{

        function(msg);

        }

        catch(Exception)

        {}

    }

}