.TH "std::reference_wrapper< _Tp >" 3cxx "libstdc++" \" -*- nroff -*- .ad l .nh .SH NAME std::reference_wrapper< _Tp > \- Primary class template for reference_wrapper\&. .SH SYNOPSIS .br .PP .PP \fC#include \fP .SS "Public Types" .in +1c .ti -1c .RI "\fBtypedef\fP _Tp \fBtype\fP" .br .in -1c .SS "Public Member Functions" .in +1c .ti -1c .RI "template<\fBtypename\fP _Up , \fBtypename\fP = __not_same<_Up>, \fBtypename\fP = decltype(reference_wrapper::_S_fun(std::declval<_Up>()))> constexpr \fBreference_wrapper\fP (_Up &&\fB__uref\fP) noexcept(noexcept(reference_wrapper::_S_fun(\fBstd::declval\fP< _Up >())))" .br .ti -1c .RI "\fBreference_wrapper\fP (const \fBreference_wrapper\fP &)=\fBdefault\fP" .br .ti -1c .RI "constexpr _Tp & \fBget\fP () const noexcept" .br .ti -1c .RI "constexpr \fBoperator _Tp &\fP () const noexcept" .br .ti -1c .RI "template constexpr __invoke_result< _Tp &, _Args\&.\&.\&. >::type \fBoperator()\fP (\fB_Args\fP &&\&.\&.\&. \fB__args\fP) const noexcept(\fB__is_nothrow_invocable\fP< _Tp &, _Args\&.\&.\&. >::value)" .br .ti -1c .RI "\fBreference_wrapper\fP & \fBoperator=\fP (const \fBreference_wrapper\fP &)=\fBdefault\fP" .br .in -1c .SS "Related Symbols" (Note that these are not member symbols\&.) .PP .RI "\fB\fP" .br .in +1c .in +1c .ti -1c .RI "template<\fBtypename\fP _Tp > constexpr \fBreference_wrapper\fP< _Tp > \fBref\fP (_Tp &__t) noexcept" .br .ti -1c .RI "template<\fBtypename\fP _Tp > constexpr \fBreference_wrapper\fP< const _Tp > \fBcref\fP (const _Tp &__t) noexcept" .br .RI "Denotes a const reference should be taken to a variable\&. " .ti -1c .RI "template<\fBtypename\fP _Tp > constexpr \fBreference_wrapper\fP< _Tp > \fBref\fP (\fBreference_wrapper\fP< _Tp > __t) noexcept" .br .RI "std::ref overload to prevent wrapping a reference_wrapper " .ti -1c .RI "template<\fBtypename\fP _Tp > constexpr \fBreference_wrapper\fP< const _Tp > \fBcref\fP (\fBreference_wrapper\fP< _Tp > __t) noexcept" .br .RI "std::cref overload to prevent wrapping a reference_wrapper " .in -1c .in -1c .SH "Detailed Description" .PP .SS "template<\fBtypename\fP _Tp> .br class std::reference_wrapper< _Tp >"Primary class template for reference_wrapper\&. .SH "Friends And Related Symbol Documentation" .PP .SS "template<\fBtypename\fP _Tp > constexpr \fBreference_wrapper\fP< const _Tp > cref (const _Tp & __t)\fC [related]\fP" .PP Denotes a const reference should be taken to a variable\&. .SS "template<\fBtypename\fP _Tp > constexpr \fBreference_wrapper\fP< const _Tp > cref (\fBreference_wrapper\fP< _Tp > __t)\fC [related]\fP" .PP std::cref overload to prevent wrapping a reference_wrapper .SS "template<\fBtypename\fP _Tp > constexpr \fBreference_wrapper\fP< _Tp > ref (_Tp & __t)\fC [related]\fP" Denotes a reference should be taken to a variable\&. .SS "template<\fBtypename\fP _Tp > constexpr \fBreference_wrapper\fP< _Tp > ref (\fBreference_wrapper\fP< _Tp > __t)\fC [related]\fP" .PP std::ref overload to prevent wrapping a reference_wrapper .SH "Author" .PP Generated automatically by Doxygen for libstdc++ from the source code\&.