.TH "std::identity" 3 "libstdc++" \" -*- nroff -*- .ad l .nh .SH NAME std::identity \- [func\&.identity] The identity function\&. .SH SYNOPSIS .br .PP .PP \fR#include \fP .SS "Public Types" .in +1c .ti -1c .RI "using \fBis_transparent\fP" .br .in -1c .SS "Static Public Member Functions" .in +1c .ti -1c .RI "template static constexpr _Tp && \fBoperator()\fP (_Tp &&__t) noexcept" .br .in -1c .SH "Detailed Description" .PP [func\&.identity] The identity function\&. .SH "Author" .PP Generated automatically by Doxygen for libstdc++ from the source code\&.