std::_Placeholder< _Num >(3cxx) std::_Placeholder< _Num >(3cxx)NAMEstd::_Placeholder< _Num > -SYNOPSISDetailed Description template<int _Num>struct std::_Placeholder< _Num > The type of placeholder objects defined by libstdc++. Definition at line 844 of file functional. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ Tue Nov 27 2012 std::_Placeholder< _Num >(3cxx)