std::hash< _Tp >(3) Library Functions Manual std::hash< _Tp >(3) NAME std::hash< _Tp > - Primary class template hash. SYNOPSIS #include Inherits std::__hash_enum< _Tp, bool >. Detailed Description template struct std::hash< _Tp >"Primary class template hash. Primary class template hash, usable for enum types only. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::hash< _Tp >(3)