std::weak_ptr< _Tp > Class Template Reference

Inherits std::__weak_ptr< _Tp, _Lp >.

Public Types
using	element_type = typename remove_extent< _Tp >::type

Public Member Functions
template<typename _Yp , typename = _Constructible<const shared_ptr<_Yp>&>>
	weak_ptr (const shared_ptr< _Yp > &__r) noexcept
	weak_ptr (const weak_ptr &) noexcept=default
template<typename _Yp , typename = _Constructible<const weak_ptr<_Yp>&>>
	weak_ptr (const weak_ptr< _Yp > &__r) noexcept
	weak_ptr (weak_ptr &&) noexcept=default
template<typename _Yp , typename = _Constructible<weak_ptr<_Yp>>>
	weak_ptr (weak_ptr< _Yp > &&__r) noexcept
bool	expired () const noexcept
shared_ptr< _Tp >	lock () const noexcept
weak_ptr &	operator= (const weak_ptr &__r) noexcept=default
template<typename _Yp >
_Assignable< const weak_ptr< _Yp > & >	operator= (const weak_ptr< _Yp > &__r) noexcept
template<typename _Yp >
_Assignable< const shared_ptr< _Yp > & >	operator= (const shared_ptr< _Yp > &__r) noexcept
weak_ptr &	operator= (weak_ptr &&__r) noexcept=default
template<typename _Yp >
_Assignable< weak_ptr< _Yp > >	operator= (weak_ptr< _Yp > &&__r) noexcept
template<typename _Tp1 >
bool	owner_before (const __shared_ptr< _Tp1, _Lp > &__rhs) const noexcept
template<typename _Tp1 >
bool	owner_before (const __weak_ptr< _Tp1, _Lp > &__rhs) const noexcept
void	reset () noexcept
void	swap (__weak_ptr &__s) noexcept
long	use_count () const noexcept

Detailed Description

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

A smart pointer with weak semantics.

With forwarding constructors and assignment operators.

Definition at line 531 of file bits/shared_ptr.h.

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

• bits/shared_ptr.h