boost::addressof

#include <iostream>
#include <boost/utility.hpp>
using namespace std;

class Object
{
public:
    int i;
    Object():i(0x11223344){}
    int operator&()
    {
        return 0;
    }
};

int main()
{
    Object obj;
    cout << &obj << endl;
    Object *p = boost::addressof(obj);
    Object *p1 = std::addressof(obj);
    cout << p << endl;
    cout << p1 << endl;
    cout << hex << p->i << endl;
    cout << hex << p1->i << endl;
    cin.get();
}