Public Types¶

typedef _Tp element_type

Public Member Functions¶

template<typename _Tp1 , typename = _Convertible<_Tp1*>> weak_ptr (const shared_ptr< _Tp1 > &__r) noexcept
weak_ptr (const weak_ptr &) noexcept=default
template<typename _Tp1 , typename = _Convertible<_Tp1*>> weak_ptr (const weak_ptr< _Tp1 > &__r) noexcept
weak_ptr (weak_ptr &&) noexcept=default
template<typename _Tp1 , typename = _Convertible<_Tp1*>> weak_ptr (weak_ptr< _Tp1 > &&__r) noexcept
bool expired () const noexcept
shared_ptr< _Tp > lock () const noexcept
weak_ptr & operator= (const weak_ptr &__r) noexcept=default
template<typename _Tp1 > weak_ptr & operator= (const weak_ptr< _Tp1 > &__r) noexcept
template<typename _Tp1 > weak_ptr & operator= (const shared_ptr< _Tp1 > &__r) noexcept
weak_ptr & operator= (weak_ptr &&__r) noexcept=default
template<typename _Tp1 > weak_ptr & operator= (weak_ptr< _Tp1 > &&__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

template<typename _Tp>¶

class std::weak_ptr< _Tp >" A smart pointer with weak semantics.

With forwarding constructors and assignment operators.

Definition at line 470 of file bits/shared_ptr.h.