recursive dereferencing template revisited

ok, so my last posting on the subject wasn't exactly correct (big suprise). what I'd really like to know is if the solution is complete. I figured that if anyone could break my code it'd be you guys. =)

the purpose of the library is of course to provide a compile-time dereferencing mechanism for pointers and specialized types. for example:

Code:

---

#include <iostream>
#include "content.h"

using namespace std;
using namespace xtd;

int
main( void )
{
        int
          i = 1024,
          * p = &i,
          ** pp = &p,
          *** ppp = &pp;
        extract( ppp )++;
        cout << extract( ppp ) << endl;
        return 0;
}

---

below I've attached the header file and some minor examples. any comments or suggestions are welcome.

I've made some minor changes: the header file was renamed to 'extract.h' (the actual file extension was .hpp but the board doesn't allow attachments with that extension). I also removed the ugly specialization macro and added comments for clarity.

I've done a lot of testing but then again there's always the chance that I may have overlooked something. please let me know if you have any problems compiling the code...