39 lines
596 B
C
39 lines
596 B
C
// Build don't link:
|
|
// GROUPS passed visibility
|
|
// Used to say:
|
|
// manip.cc:17: member `_f' is a private member of class `B<int>'
|
|
// manip.cc:17: member `_a' is a private member of class `B<int>'
|
|
|
|
class A {};
|
|
|
|
template <class TP>
|
|
class B
|
|
{
|
|
A &(*_f) (A &, TP);
|
|
TP _a;
|
|
public:
|
|
B (A &(*f) (A &, TP), TP a) : _f (f), _a (a) {}
|
|
friend A &operator<< <>(A &o, const B<TP> &m);
|
|
};
|
|
|
|
template <class TP>
|
|
inline A &
|
|
operator<< (A &o, const B<TP> &m)
|
|
{
|
|
(*m._f) (o, m._a);
|
|
return o;
|
|
}
|
|
|
|
A &setw (A &, int);
|
|
B<int> setw (int n)
|
|
{
|
|
return B<int> (setw, n);
|
|
}
|
|
|
|
A x;
|
|
|
|
void f ()
|
|
{
|
|
x << setw (2);
|
|
}
|