NAME

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

SYNOPSIS

       #include <shared_ptr.h>

       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
       template<typename _Yp > _Assignable< const shared_ptr< _Yp > & > operator= (const shared_ptr< _Yp > &__r)
           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
       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.

Member Typedef Documentation

   template<typename _Tp , _Lock_policy _Lp> using std::__weak_ptr< _Tp, _Lp >::element_type =  typename
       remove_extent<_Tp>::type [inherited]
       Definition at line 1588 of file shared_ptr_base.h.

Constructor & Destructor Documentation

   template<typename _Tp > template<typename _Yp , typename  = _Constructible<const shared_ptr<_Yp>&>>
       std::weak_ptr< _Tp >::weak_ptr (const shared_ptr< _Yp > & __r) [inline],  [noexcept]
       Definition at line 548 of file bits/shared_ptr.h.

   template<typename _Tp > template<typename _Yp , typename  = _Constructible<const weak_ptr<_Yp>&>>
       std::weak_ptr< _Tp >::weak_ptr (const weak_ptr< _Yp > & __r) [inline],  [noexcept]
       Definition at line 554 of file bits/shared_ptr.h.

   template<typename _Tp > template<typename _Yp , typename  = _Constructible<weak_ptr<_Yp>>> std::weak_ptr< _Tp
       >::weak_ptr (weak_ptr< _Yp > && __r) [inline],  [noexcept]
       Definition at line 560 of file bits/shared_ptr.h.

Member Function Documentation

   template<typename _Tp , _Lock_policy _Lp> bool std::__weak_ptr< _Tp, _Lp >::expired () const [inline],
       [noexcept],  [inherited]
       Definition at line 1680 of file shared_ptr_base.h.

   template<typename _Tp > shared_ptr< _Tp > std::weak_ptr< _Tp >::lock () const [inline],  [noexcept]
       Definition at line 594 of file bits/shared_ptr.h.

   template<typename _Tp > template<typename _Yp > _Assignable< const shared_ptr< _Yp > & > std::weak_ptr< _Tp
       >::operator= (const shared_ptr< _Yp > & __r) [inline],  [noexcept]
       Definition at line 576 of file bits/shared_ptr.h.

   template<typename _Tp > template<typename _Yp > _Assignable< const weak_ptr< _Yp > & > std::weak_ptr< _Tp
       >::operator= (const weak_ptr< _Yp > & __r) [inline],  [noexcept]
       Definition at line 568 of file bits/shared_ptr.h.

   template<typename _Tp > template<typename _Yp > _Assignable< weak_ptr< _Yp > > std::weak_ptr< _Tp
       >::operator= (weak_ptr< _Yp > && __r) [inline],  [noexcept]
       Definition at line 587 of file bits/shared_ptr.h.

   template<typename _Tp , _Lock_policy _Lp> template<typename _Tp1 > bool std::__weak_ptr< _Tp, _Lp
       >::owner_before (const __shared_ptr< _Tp1, _Lp > & __rhs) const [inline],  [noexcept],  [inherited]
       Definition at line 1685 of file shared_ptr_base.h.

   template<typename _Tp , _Lock_policy _Lp> template<typename _Tp1 > bool std::__weak_ptr< _Tp, _Lp
       >::owner_before (const __weak_ptr< _Tp1, _Lp > & __rhs) const [inline],  [noexcept],  [inherited]
       Definition at line 1690 of file shared_ptr_base.h.

   template<typename _Tp , _Lock_policy _Lp> void std::__weak_ptr< _Tp, _Lp >::reset () [inline],  [noexcept],
       [inherited]
       Definition at line 1694 of file shared_ptr_base.h.

   template<typename _Tp , _Lock_policy _Lp> void std::__weak_ptr< _Tp, _Lp >::swap (__weak_ptr< _Tp, _Lp > &
       __s) [inline],  [noexcept],  [inherited]
       Definition at line 1698 of file shared_ptr_base.h.

   template<typename _Tp , _Lock_policy _Lp> long std::__weak_ptr< _Tp, _Lp >::use_count () const [inline],
       [noexcept],  [inherited]
       Definition at line 1676 of file shared_ptr_base.h.

Author

       Generated automatically by Doxygen for libstdc++ from the source code.

                                                    libstdc++                         std::weak_ptr< _Tp >(3cxx)