topimaurola wrote:
>
>
> Hi,
>
> the following code doesn't compile on Gnu g++ (4.2.4)
>
> Any ideas why?
>
> the marked "POINT 1" below, is member function of derived
> class. It should have access right to c0.
>
> Topi
>
> *******
>
> class c1a;
> class c1b;
>
> class c0
> {
> friend class c1a;
> protected:
> int prot;
> private:
> int priv;
> public:
> int pub;
> void mf0()
> {
> c0 *k=this;
> k->pub;
> k->prot;
> k->priv;
> }
> };
>
> class c1a:public c0
> {
> public:
> void mf1(void)
> {
> c0 *k=this;
> k->pub;
> k->prot;
> k->priv;
> }
> };
>
> class c1b:public c0
> {
> public:
> void mf1(void)
> {
> c0 *k=this;
> k->pub;
> k->prot; // POINT 1. this point doesn't compile.
> k->priv; // POINT 2. this is ok not to compile, no friend.
> }
> };
>
> main()
> {
> c1a v1a;
> v1a.mf1();
> v1a.mf0();
>
> c1b v1b;
> v1b.mf1();
> v1b.mf0();
> }
>
>
You don't have class "c1b" listed as a friend of "co".
