inheriting from class of specialized self?

Question

Is this valid C++?

template
class any_iterator : public any_iterator
{ 
public:
        typedef any_iterator an         


        

Answer 1

10/2:

The type denoted by a base-type-specifier shall be a class type that is not an incompletely defined class

It is one manifestation of the bug of MSVC: its lack of two-phase name resolution.