public abstract void Accept(Visitor visitor);
public void Accept(Visitor visitor)
{
foreach (Element e in elements)
{
e.Accept(visitor);
}
}
public override void Accept(Visitor visitor)
{
visitor.VisitConcreteElementB(this);
}
public void Accept(Visitor visitor)
{
foreach (Element element in _elements)
{
element.Accept(visitor);
}
}
