2 // GROUPS passed old-abort
9 // Friend functions so that v == x works as does x == v works
10 friend int operator==(void *v, const Pix& x)
11 { return v == index; }// ERROR - .*
12 friend int operator==(void *v, const Pix& x)
13 { return v != index; }// ERROR - .*
15 // friend class List<T>;
16 element *index; // ERROR - invalid use of member