.TH "std::reference_wrapper< _Tp >" 3cxx "Thu Feb 16 2023" "libstdc++" \" -*- nroff -*-
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.SH NAME
std::reference_wrapper< _Tp > \- Primary class template for reference_wrapper\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <refwrap\&.h>\fP
.PP
Inherits _Reference_wrapper_base_memfun< remove_cv< _Tp >::type >\&.
.SS "Public Types"

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.RI "typedef _Tp \fBtype\fP"
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.SS "Public Member Functions"

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.RI "template<typename _Up , typename  = __not_same<_Up>, typename  = decltype(reference_wrapper::_S_fun(std::declval<_Up>()))> constexpr \fBreference_wrapper\fP (_Up &&__uref) noexcept(noexcept(reference_wrapper::_S_fun(\fBstd::declval\fP< _Up >())))"
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.RI "\fBreference_wrapper\fP (const \fBreference_wrapper\fP &)=default"
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.RI "constexpr _Tp & \fBget\fP () const noexcept"
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.RI "constexpr \fBoperator _Tp &\fP () const noexcept"
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.RI "template<typename\&.\&.\&. _Args> constexpr \fBresult_of\fP< _Tp &(_Args &&\&.\&.\&.)>::type \fBoperator()\fP (_Args &&\&.\&.\&. __args) const"
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.ti -1c
.RI "\fBreference_wrapper\fP & \fBoperator=\fP (const \fBreference_wrapper\fP &)=default"
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.SS "Related Functions"
(Note that these are not member functions\&.) 
.PP
.RI "\fB\fP"
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.ti -1c
.RI "template<typename _Tp > constexpr \fBreference_wrapper\fP< _Tp > \fBref\fP (_Tp &__t) noexcept"
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.RI "template<typename _Tp > constexpr \fBreference_wrapper\fP< const _Tp > \fBcref\fP (const _Tp &__t) noexcept"
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.RI "Denotes a const reference should be taken to a variable\&. "
.ti -1c
.RI "template<typename _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<typename _Tp > constexpr \fBreference_wrapper\fP< const _Tp > \fBcref\fP (\fBreference_wrapper\fP< _Tp > __t) noexcept"
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.RI "std::cref overload to prevent wrapping a reference_wrapper "
.in -1c
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.SH "Detailed Description"
.PP 

.SS "template<typename _Tp>
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class std::reference_wrapper< _Tp >"Primary class template for reference_wrapper\&. 
.PP
Definition at line \fB294\fP of file \fBrefwrap\&.h\fP\&.
.SH "Member Typedef Documentation"
.PP 
.SS "template<typename _Tp > typedef _Tp \fBstd::reference_wrapper\fP< _Tp >::type"

.PP
Definition at line \fB313\fP of file \fBrefwrap\&.h\fP\&.
.SH "Constructor & Destructor Documentation"
.PP 
.SS "template<typename _Tp > template<typename _Up , typename  = __not_same<_Up>, typename  = decltype(reference_wrapper::_S_fun(std::declval<_Up>()))> constexpr \fBstd::reference_wrapper\fP< _Tp >::reference_wrapper (_Up && __uref)\fC [inline]\fP, \fC [constexpr]\fP, \fC [noexcept]\fP"

.PP
Definition at line \fB321\fP of file \fBrefwrap\&.h\fP\&.
.SH "Member Function Documentation"
.PP 
.SS "template<typename _Tp > constexpr _Tp & \fBstd::reference_wrapper\fP< _Tp >::get (void) const\fC [inline]\fP, \fC [constexpr]\fP, \fC [noexcept]\fP"

.PP
Definition at line \fB337\fP of file \fBrefwrap\&.h\fP\&.
.SS "template<typename _Tp > constexpr \fBstd::reference_wrapper\fP< _Tp >::operator _Tp & () const\fC [inline]\fP, \fC [constexpr]\fP, \fC [noexcept]\fP"

.PP
Definition at line \fB332\fP of file \fBrefwrap\&.h\fP\&.
.SS "template<typename _Tp > template<typename\&.\&.\&. _Args> constexpr \fBresult_of\fP< _Tp &(_Args &&\&.\&.\&.)>::type \fBstd::reference_wrapper\fP< _Tp >::operator() (_Args &&\&.\&.\&. __args) const\fC [inline]\fP, \fC [constexpr]\fP"

.PP
Definition at line \fB343\fP of file \fBrefwrap\&.h\fP\&.
.SH "Friends And Related Function Documentation"
.PP 
.SS "template<typename _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\&. 
.PP
Definition at line \fB371\fP of file \fBrefwrap\&.h\fP\&.
.SS "template<typename _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 
.PP
Definition at line \fB391\fP of file \fBrefwrap\&.h\fP\&.
.SS "template<typename _Tp > constexpr \fBreference_wrapper\fP< _Tp > ref (_Tp & __t)\fC [related]\fP"
Denotes a reference should be taken to a variable\&. 
.PP
Definition at line \fB364\fP of file \fBrefwrap\&.h\fP\&.
.SS "template<typename _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 
.PP
Definition at line \fB384\fP of file \fBrefwrap\&.h\fP\&.

.SH "Author"
.PP 
Generated automatically by Doxygen for libstdc++ from the source code\&.