std::unary_func..._Arg, _Result >(3cxx) std::unary_func..._Arg, _Result >(3cxx)
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
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