NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL nsAutoPtr with operator->().");
NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL nsRefPtr with operator->().");
      operator->() const        {          NS_PRECONDITION(mRawPtr != 0, "You can't dereference a NULL nsAutoPtr with operator->().");          return get();        }