static void Main(string[] args)
{
Room room = new Room();
RoomHistory history = new RoomHistory(new Stack <RoomMemento>());
room.RentRoom(1);
RoomMemento memento = room.SaveState();
history.Mementos.Push(memento);
room.RentInfo();
room.RentRoom(3);
RoomMemento memento1 = room.SaveState();
history.Mementos.Push(memento1);
room.RentInfo();
room.RentRoom(5);
RoomMemento memento2 = room.SaveState();
history.Mementos.Push(memento2);
room.RentInfo();
room.SetMemeto(memento);
room.RentInfo();
Console.ReadKey();
}
public void SetMemeto(RoomMemento memento)
{
startBooking = memento.StartBooking;
endBooking = memento.EndBooking;
}