public void Visit(RealElement element)
        {
            Employee employee = element as Employee;

            // Provide 3 extra vacation days
            employee.VacationDays += 3;
            Console.WriteLine("{0} {1}'s new vacation days: {2}",
                              employee.GetType().Name, employee.Name,
                              employee.VacationDays);
        }
        public void Visit(RealElement element)
        {
            Employee employee = element as Employee;

            // Provide 10% pay raise
            employee.Income *= 1.10;
            Console.WriteLine("{0} {1}'s new income: {2:C}",
                              employee.GetType().Name, employee.Name,
                              employee.Income);
        }
        public void Visit(RealElement element)
        {
            Employee employee = element as Employee;

            // Provide 3 extra vacation days
            employee.VacationDays += 3;
            Console.WriteLine("{0} {1}'s new vacation days: {2}",
              employee.GetType().Name, employee.Name,
              employee.VacationDays);
        }
        public void Visit(RealElement element)
        {
            Employee employee = element as Employee;

            // Provide 10% pay raise
            employee.Income *= 1.10;
            Console.WriteLine("{0} {1}'s new income: {2:C}",
              employee.GetType().Name, employee.Name,
              employee.Income);
        }