101   template <class _Arg, class _Result>
104       typedef _Arg argument_type;   ///< @c argument_type is the type of the
480   template <class _Arg, class _Result>
481     class pointer_to_unary_function : public unary_function<_Arg, _Result>
484       _Result (*_M_ptr)(_Arg);
489       pointer_to_unary_function(_Result (*__x)(_Arg))  in pointer_to_unary_function()  argument
493       operator()(_Arg __x) const  in operator()
498   template <class _Arg, class _Result>
499     inline pointer_to_unary_function<_Arg, _Result>
500     ptr_fun(_Result (*__x)(_Arg))  in ptr_fun()  argument
501     { return pointer_to_unary_function<_Arg, _Result>(__x); }  in ptr_fun()
646   template <class _Ret, class _Tp, class _Arg>
647     class mem_fun1_t : public binary_function<_Tp*, _Arg, _Ret>
651       mem_fun1_t(_Ret (_Tp::*__pf)(_Arg))  in mem_fun1_t()  argument
655       operator()(_Tp* __p, _Arg __x) const  in operator()
658       _Ret (_Tp::*_M_f)(_Arg);
662   template <class _Ret, class _Tp, class _Arg>
663     class const_mem_fun1_t : public binary_function<const _Tp*, _Arg, _Ret>
667       const_mem_fun1_t(_Ret (_Tp::*__pf)(_Arg) const)  in const_mem_fun1_t()
671       operator()(const _Tp* __p, _Arg __x) const  in operator()
674       _Ret (_Tp::*_M_f)(_Arg) const;
678   template <class _Ret, class _Tp, class _Arg>
679     class mem_fun1_ref_t : public binary_function<_Tp, _Arg, _Ret>
683       mem_fun1_ref_t(_Ret (_Tp::*__pf)(_Arg))  in mem_fun1_ref_t()  argument
687       operator()(_Tp& __r, _Arg __x) const  in operator()
690       _Ret (_Tp::*_M_f)(_Arg);
694   template <class _Ret, class _Tp, class _Arg>
695     class const_mem_fun1_ref_t : public binary_function<_Tp, _Arg, _Ret>
699       const_mem_fun1_ref_t(_Ret (_Tp::*__pf)(_Arg) const)  in const_mem_fun1_ref_t()
703       operator()(const _Tp& __r, _Arg __x) const  in operator()
706       _Ret (_Tp::*_M_f)(_Arg) const;
731   template <class _Ret, class _Tp, class _Arg>
732     inline mem_fun1_t<_Ret, _Tp, _Arg>
733     mem_fun(_Ret (_Tp::*__f)(_Arg))  in mem_fun()  argument
734     { return mem_fun1_t<_Ret, _Tp, _Arg>(__f); }  in mem_fun()
736   template <class _Ret, class _Tp, class _Arg>
737     inline const_mem_fun1_t<_Ret, _Tp, _Arg>
738     mem_fun(_Ret (_Tp::*__f)(_Arg) const)  in mem_fun()
739     { return const_mem_fun1_t<_Ret, _Tp, _Arg>(__f); }  in mem_fun()
741   template <class _Ret, class _Tp, class _Arg>
742     inline mem_fun1_ref_t<_Ret, _Tp, _Arg>
743     mem_fun_ref(_Ret (_Tp::*__f)(_Arg))  in mem_fun_ref()  argument
744     { return mem_fun1_ref_t<_Ret, _Tp, _Arg>(__f); }  in mem_fun_ref()
746   template <class _Ret, class _Tp, class _Arg>
747     inline const_mem_fun1_ref_t<_Ret, _Tp, _Arg>
748     mem_fun_ref(_Ret (_Tp::*__f)(_Arg) const)  in mem_fun_ref()
749     { return const_mem_fun1_ref_t<_Ret, _Tp, _Arg>(__f); }  in mem_fun_ref()