static void Main(string[] args)
{
// https://www.dotnettips.info/post/2373/%D8%A7%D9%84%DA%AF%D9%88%DB%8C-%D8%A8%D8%A7%D8%B2%D8%AF%DB%8C%D8%AF%DA%A9%D9%86%D9%86%D8%AF%D9%87-visitor-pattern
IElement manager = new Manager();
IElement employee = new Employee();
IElement worker = new Worker();
var fine = new FinancialSystem();
fine.Attach(manager);
fine.Attach(employee);
fine.Attach(worker);
fine.Accept(new SalaryCalculator());
fine.Accept(new WageCalculator());
Console.ReadKey();
}
static void Main(string[] args)
{
//sample 2
IElement manager = new Manager();
IElement employee = new Employee();
//------------------------------------
//instead of this codes we make class like FinancialSystem
//var salary = new SalaryCalculator();
//manager.Accept(salary);
//employee.Accept(salary);
//var wage = new WageCalculator();
//manager.Accept(wage);
//employee.Accept(wage);
//------------------------------------
var fine = new FinancialSystem();
fine.Attach(manager);
fine.Attach(employee);
fine.Accept(new SalaryCalculator());
fine.Accept(new WageCalculator());
//======================================================================
//sample 1
Content content = new Content(50);
Console.WriteLine($"element :{content.Data}");
content.accept(new AddVisitor());
Console.WriteLine($"add visitor:{content.Data}");
content.accept(new MinusVisitor());
Console.WriteLine($"minus visitor: {content.Data}");
Console.ReadKey();
}