Problem with friend class declaration in a namespace

I have a problem declaring a friend class in the following abstract code

Code:

---

namespace qf {

class Class {
friend class FriendClass;
protected:
    bool member;
};

}
....
void FriendClass::foo(qf::Class &cls) {
    cls.member = true;
}

---

And the error I get is "qf::class::member is protected in this context. I tried doing things like

Code:

---

friend class ::FriendClass;

---

and

Code:

---

class FriendClass;

namespace qf {

class Class {
friend class FriendClass;

---

But those just gave errors or didn't work.

This should compile:

Code:

---

class FriendClass;

namespace qf
{
    class Class
    {
        friend class ::FriendClass;
        bool member;
    public:
        Class() : member(false) {}
    };
}//namespace qf

class FriendClass
{
public:
    FriendClass(qf::Class &c) {c.member = true;}
};

int main()
{
    qf::Class c;
    FriendClass f(c);
    return 0;
}

---

>> I tried doing..
Combine your attempts into one try :)

gg

Ah, I see. Both of my attempts on their own were wrong, but the both of them together is the solution. Thanks