Method operator&

tests/test_smart_ptr.cpp:54–54

    explicit shared_ptr_with_addressof_operator(T *p) : impl(p) {}
    T *get() const { return impl.get(); }
    T **operator&() { throw std::logic_error("Call of overloaded operator& is not expected"); }
};

// Simple custom holder that works like unique_ptr and has operator& overload