### - f -

- first_argument_type : __gnu_cxx::_Constant_binary_fun< _Result, _Arg1, _Arg2 > , std::binary_function< _Arg1, _Arg2, _Result > , __gnu_cxx::_Constant_binary_fun< _Result, _Arg1, _Arg2 > , std::binary_function< _Arg1, _Arg2, _Result > , std::__detail::_Mod_range_hashing , std::binary_function< _Arg1, _Arg2, _Result >
- first_type : std::pair< _T1, _T2 >
- flag_type : std::basic_regex< _Ch_type, _Rx_traits >
- fmtflags : std::ios_base