1*67e74705SXin Li #ifndef SECONDHEADER 2*67e74705SXin Li #define SECONDHEADER 3*67e74705SXin Li 4*67e74705SXin Li #include "vector" 5*67e74705SXin Li 6*67e74705SXin Li template <class T> 7*67e74705SXin Li struct Address {}; 8*67e74705SXin Li 9*67e74705SXin Li template <> 10*67e74705SXin Li struct Address<std::vector<bool>> 11*67e74705SXin Li : Address<std::vector<bool>::iterator> {}; 12*67e74705SXin Li 13*67e74705SXin Li #endif 14