Is this a D puzzler or a bug?
Jarrett Billingsley
kb3ctd2 at yahoo.com
Fri Mar 30 15:11:00 PDT 2007
"Bradley Smith" <digitalmars-com at baysmith.com> wrote in message
news:eujsku$2njp$1 at digitalmars.com...
> What is wrong with the following code?
>
> class A {
> protected void method() {}
> }
>
> class B : public A {
> protected void method() {
> A.method();
> }
> }
>
> Answer:
>
> If A and B are defined in the same module, A is able to access the
> non-static protected method of its superclass using a static method call.
>
> However, if A and B are defined in different modules, the error "class a.A
> member method is not accessible" occurs.
>
> Is this a bug? (I don't know. I am really asking.)
>
This is "the way C++ does it" and therefore the way D should do it as well.
It also means that B can't access any protected members of A references.
Stupid, I know, and it's never going to change as long as Walter is in
charge.
> Current solution:
>
> Replacing "A.method()" with "super.method()" corrects the problem.
That's really how you're "supposed" to do it. It's also a little
nicer-looking, since it's obvious you're calling the base class's
implementation of the method.
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