public static void TestVisitor()
{
List <IComponent> components = new List <IComponent>
{
new ConcreteComponentA(),
new ConcreteComponentB(),
new ConcreteComponentA()
};
Console.WriteLine("The client code works with all visitors via the base Visitor interface:");
var visitor1 = new ConcreteVisitor1();
Client.ClientCode(components, visitor1);
Console.WriteLine();
Console.WriteLine("It allows the same client code to work with different types of visitors:");
var visitor2 = new ConcreteVisitor2();
Client.ClientCode(components, visitor2);
}
