.TH "std::unary_function< _Arg, _Result >" 3cxx "libstdc++" \" -*- nroff -*- .ad l .nh .SH NAME std::unary_function< _Arg, _Result > .SH SYNOPSIS .br .PP .PP \fC#include \fP .PP Inherited by std::_Identity< _Value >, std::_Select1st< pair< const _Key, _Tp > >, and \fBstd::pointer_to_unary_function< _Arg, _Result >\fP\&. .SS "Public Types" .in +1c .ti -1c .RI "\fBtypedef\fP _Arg \fBargument_type\fP" .br .RI "\fCargument_type\fP is the type of the argument " .ti -1c .RI "\fBtypedef\fP _Result \fBresult_type\fP" .br .RI "\fCresult_type\fP is the return type " .in -1c .SH "Detailed Description" .PP .SS "template<\fBtypename\fP _Arg, \fBtypename\fP _Result> .br struct std::unary_function< _Arg, _Result >"Helper for defining adaptable unary function objects\&. .PP \fBDeprecated\fP .RS 4 Deprecated in C++11, no longer in the standard since C++17\&. .RE .PP .SH "Member Typedef Documentation" .PP .SS "template<\fBtypename\fP _Arg , \fBtypename\fP _Result > \fBtypedef\fP _Arg \fBstd::unary_function\fP< _Arg, _Result >::argument_type" .PP \fCargument_type\fP is the type of the argument .SS "template<\fBtypename\fP _Arg , \fBtypename\fP _Result > \fBtypedef\fP _Result \fBstd::unary_function\fP< _Arg, _Result >::result_type" .PP \fCresult_type\fP is the return type .SH "Author" .PP Generated automatically by Doxygen for libstdc++ from the source code\&.