std::reference_wrapper< _Tp > Class Template Reference

Public Types
typedef _Tp	type

Public Member Functions
template<typename _Up , typename = __not_same<_Up>, typename = decltype(reference_wrapper::_S_fun(std::declval<_Up>()))>
constexpr	reference_wrapper (_Up &&__uref) noexcept(noexcept(reference_wrapper::_S_fun(std::declval< _Up >())))
	reference_wrapper (const reference_wrapper &)=default
constexpr _Tp &	get () const noexcept
constexpr	operator _Tp & () const noexcept
template<typename... _Args>
constexpr __invoke_result< _Tp &, _Args... >::type	operator() (_Args &&... __args) const noexcept(__is_nothrow_invocable< _Tp &, _Args... >::value)
reference_wrapper &	operator= (const reference_wrapper &)=default

Friends
constexpr friend auto	operator<=> (reference_wrapper __x, const _Tp &__y) requires requires
constexpr friend auto	operator<=> (reference_wrapper __x, reference_wrapper __y) requires requires(const _Tp __t)
constexpr friend auto	operator<=> (reference_wrapper __x, reference_wrapper< const _Tp > __y) requires(!is_const_v< _Tp >) &&requires(const _Tp __t)
constexpr friend bool	operator== (reference_wrapper __x, const _Tp &__y) requires requires
constexpr friend bool	operator== (reference_wrapper __x, reference_wrapper __y) requires requires
constexpr friend bool	operator== (reference_wrapper __x, reference_wrapper< const _Tp > __y) requires(!is_const_v< _Tp >) &&requires

Related Functions
(Note that these are not member functions.)
template<typename _Tp >
constexpr reference_wrapper< _Tp >	ref (_Tp &__t) noexcept
template<typename _Tp >
constexpr reference_wrapper< const _Tp >	cref (const _Tp &__t) noexcept
template<typename _Tp >
constexpr reference_wrapper< _Tp >	ref (reference_wrapper< _Tp > __t) noexcept
template<typename _Tp >
constexpr reference_wrapper< const _Tp >	cref (reference_wrapper< _Tp > __t) noexcept

Detailed Description

template<typename _Tp>
class std::reference_wrapper< _Tp >

Primary class template for reference_wrapper.

Definition at line 310 of file refwrap.h.

Friends And Related Function Documentation

cref() [1/2]

template<typename _Tp >

constexpr reference_wrapper< const _Tp > cref ( const _Tp &  __t )

related

Denotes a const reference should be taken to a variable.

Definition at line 435 of file refwrap.h.

cref() [2/2]

template<typename _Tp >

constexpr reference_wrapper< const _Tp > cref ( reference_wrapper< _Tp >  __t )

related

std::cref overload to prevent wrapping a reference_wrapper

Definition at line 455 of file refwrap.h.

ref() [1/2]

template<typename _Tp >

constexpr reference_wrapper< _Tp > ref ( _Tp &  __t )

related

Denotes a reference should be taken to a variable.

Definition at line 428 of file refwrap.h.

ref() [2/2]

template<typename _Tp >

constexpr reference_wrapper< _Tp > ref ( reference_wrapper< _Tp >  __t )

related

std::ref overload to prevent wrapping a reference_wrapper

Definition at line 448 of file refwrap.h.

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The documentation for this class was generated from the following files:

• type_traits
• refwrap.h