.TH "__gnu_cxx::select1st< _Pair >" 3cxx "Sun Feb 7 2021" "libstdc++" \" -*- nroff -*- .ad l .nh .SH NAME __gnu_cxx::select1st< _Pair > \- An \fBSGI extension \fP\&. .SH SYNOPSIS .br .PP .PP Inherits std::_Select1st< _Pair >\&. .SS "Public Types" .in +1c .ti -1c .RI "typedef _Pair \fBargument_type\fP" .br .RI "\fCargument_type\fP is the type of the argument " .ti -1c .RI "typedef _Pair::first_type \fBresult_type\fP" .br .RI "\fCresult_type\fP is the return type " .in -1c .SS "Public Member Functions" .in +1c .ti -1c .RI "_Pair::first_type & \fBoperator()\fP (_Pair &__x) const" .br .ti -1c .RI "template _Pair2::first_type & \fBoperator()\fP (_Pair2 &__x) const" .br .ti -1c .RI "const _Pair::first_type & \fBoperator()\fP (const _Pair &__x) const" .br .ti -1c .RI "template const _Pair2::first_type & \fBoperator()\fP (const _Pair2 &__x) const" .br .in -1c .SH "Detailed Description" .PP .SS "template .br struct __gnu_cxx::select1st< _Pair >" An \fBSGI extension \fP\&. .PP Definition at line 200 of file ext/functional\&. .SH "Member Typedef Documentation" .PP .SS "typedef _Pair \fBstd::unary_function\fP< _Pair , _Pair::first_type >::\fBargument_type\fP\fC [inherited]\fP" .PP \fCargument_type\fP is the type of the argument .PP Definition at line 108 of file stl_function\&.h\&. .SS "typedef _Pair::first_type \fBstd::unary_function\fP< _Pair , _Pair::first_type >::\fBresult_type\fP\fC [inherited]\fP" .PP \fCresult_type\fP is the return type .PP Definition at line 111 of file stl_function\&.h\&. .SH "Author" .PP Generated automatically by Doxygen for libstdc++ from the source code\&.