| std::weak_ptr< _Tp >(3cxx) | std::weak_ptr< _Tp >(3cxx) |
NAME¶
std::weak_ptr< _Tp > - A smart pointer with weak semantics.SYNOPSIS¶
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 535 of file bits/shared_ptr.h.
Author¶
Generated automatically by Doxygen for libstdc++ from the source code.| Sat Apr 6 2019 | libstdc++ |