std::reference_wrapper< _Tp >(3)

NAME
std::reference_wrapper< _Tp > - Primary class template for reference_wrapper.

SYNOPSIS

#include <functional>

  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 result_of< _Tp &(_Args &&...)>::type operator() (_Args &&... __args) const
reference_wrapper & operator= (const reference_wrapper &)=default

  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
Denotes a const reference should be taken to a variable.
template<typename _Tp > constexpr reference_wrapper< _Tp > ref (reference_wrapper< _Tp > __t) noexcept
std::ref overload to prevent wrapping a reference_wrapper
template<typename _Tp > constexpr reference_wrapper< const _Tp > cref (reference_wrapper< _Tp > __t) noexcept
std::cref overload to prevent wrapping a reference_wrapper

Detailed Description

  template<typename _Tp>
class std::reference_wrapper< _Tp >"Primary class template for reference_wrapper.

Definition at line 303 of file functional.

Member Typedef Documentation

  template<typename _Tp > typedef _Tp std::reference_wrapper< _Tp >::type

Definition at line 322 of file functional.

Constructor & Destructor Documentation

  template<typename _Tp > template<typename _Up , typename = __not_same<_Up>, typename = decltype(reference_wrapper::_S_fun(std::declval<_Up>()))> constexpr std::reference_wrapper< _Tp >::reference_wrapper (_Up && __uref) [inline], [constexpr], [noexcept]

Definition at line 330 of file functional.

Member Function Documentation

  template<typename _Tp > constexpr _Tp & std::reference_wrapper< _Tp >::get (void) const [inline], [constexpr], [noexcept]

Definition at line 346 of file functional.

  template<typename _Tp > constexpr std::reference_wrapper< _Tp >::operator _Tp & () const [inline], [constexpr], [noexcept]

Definition at line 341 of file functional.

  template<typename _Tp > template<typename... _Args> constexpr result_of< _Tp &(_Args &&...)>::type std::reference_wrapper< _Tp >::operator() (_Args &&... __args) const [inline], [constexpr]

Definition at line 352 of file functional.

Friends And Related Function Documentation

  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 380 of file functional.

  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 400 of file functional.

  template<typename _Tp > constexpr reference_wrapper< _Tp > ref (_Tp & __t) [related]
Denotes a reference should be taken to a variable.

Definition at line 373 of file functional.

  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 393 of file functional.

Author

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