std::reference_wrapper< _Tp >(3cxx) std::reference_wrapper< _Tp >(3cxx)
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 __invoke_result< _Tp &, _Args...
>::type operator() (_Args &&... __args) const
noexcept(__is_nothrow_invocable< _Tp &, _Args... >::value)
reference_wrapper & operator= (const reference_wrapper &)=default
Related Symbols
(Note that these are not member symbols.)
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.
Friends And Related Symbol Documentation
template<typename _Tp > constexpr reference_wrapper< const _Tp > cref (const
_Tp & __t) [related]
Denotes a const reference should be taken to a variable.
template<typename _Tp > constexpr reference_wrapper< const _Tp > cref
(reference_wrapper< _Tp > __t) [related]
std::cref overload to prevent wrapping a reference_wrapper
template<typename _Tp > constexpr reference_wrapper< _Tp > ref (_Tp & __t)
[related]
Denotes a reference should be taken to a variable.
template<typename _Tp > constexpr reference_wrapper< _Tp > ref
(reference_wrapper< _Tp > __t) [related]
std::ref overload to prevent wrapping a reference_wrapper
Author
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libstdc++std::reference_wrapper< _Tp >(3cxx)
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