std::unary_function< _Arg, _Result >(3)               Library Functions Manual

NAME
       std::unary_function< _Arg, _Result >

SYNOPSIS
       #include <functional>

       Inherited by std::_Identity< _Value >, std::_Select1st< pair< const
       _Key, _Tp > >, and std::pointer_to_unary_function< _Arg, _Result >.

   Public Types
       typedef _Arg argument_type
           argument_type is the type of the argument
       typedef _Result result_type
           result_type is the return type

Detailed Description
   template<typename _Arg, typename _Result>
       struct std::unary_function< _Arg, _Result >"Helper for defining
       adaptable unary function objects.

       Deprecated
           Deprecated in C++11, no longer in the standard since C++17.

Member Typedef Documentation
   template<typename _Arg , typename _Result > typedef _Arg
       std::unary_function< _Arg, _Result >::argument_type
       argument_type is the type of the argument

   template<typename _Arg , typename _Result > typedef _Result
       std::unary_function< _Arg, _Result >::result_type
       result_type is the return type


Author
       Generated automatically by Doxygen for libstdc++ from the source code.

                                   libstdc++
                                       std::unary_function< _Arg, _Result >(3)