std::underlying_type< _Tp >(3) Library Functions Manual NAME std::underlying_type< _Tp > - The underlying type of an enum. SYNOPSIS #include Inherits __underlying_type_impl< _Tp >. Detailed Description template struct std::underlying_type< _Tp >"The underlying type of an enum. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::underlying_type< _Tp >(3)