1 #ifndef _LIBCPP_TYPE_TRAITS 2 #define _LIBCPP_TYPE_TRAITS 3 4 template <class _Tp> 5 struct underlying_type 6 { 7 typedef __underlying_type(_Tp) type; 8 }; 9 10 #endif // _LIBCPP_TYPE_TRAITS 11
1 #ifndef _LIBCPP_TYPE_TRAITS 2 #define _LIBCPP_TYPE_TRAITS 3 4 template <class _Tp> 5 struct underlying_type 6 { 7 typedef __underlying_type(_Tp) type; 8 }; 9 10 #endif // _LIBCPP_TYPE_TRAITS 11