std::tuple_element< __i, _Tp >(3) Library Functions Manual NAME std::tuple_element< __i, _Tp > - Gives the type of the ith element of a given tuple type. SYNOPSIS Detailed Description template struct std::tuple_element< __i, _Tp >"Gives the type of the ith element of a given tuple type. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::tuple_element< __i, _Tp >(3)