using System;

​

public class Elevator

{

    //public delegate void GoToFloorDelegate(int floor);

    //public GoToFloorDelegate GoToFloor { get; set; }

    public Action<int> GoToFloor { get; set; }

    //public Func<int, int> GoToFloor { get; set; } return type deberia ser int no void

    public void GoToReception()

    {

        GoToFloor?.Invoke(0);

        Console.WriteLine("I am at the reception now...");

    }

}

public class Program

{

    public static void Main()

    {

        var elevator = new Elevator();

        //elevator.GoToFloor = GoFast;

        elevator.GoToFloor = x => { Console.WriteLine($"Going very fast to the floor number {x}"); };

        elevator.GoToReception();

    }

    private static void GoFast(int floor)

    {

        Console.WriteLine($"Going very fast to the floor number {floor}");

    }

}