C++

參考

<memory>

weak_ptr

類模板
<memory>

std::weak_ptr

template <class T> class weak_ptr;
Weak shared pointer
[under construction

模板引數

T
The type of the weakly managed object, aliased as member typeelement_type.

成員型別

以下別名是...的成員型別weak_ptr.

成員型別定義說明
element_typeTemplate parameter (T)The type of the weakly managed object

成員函式

（建構函式）
Construct weak_ptr (public member function)
(解構函式)
Destroy weak_ptr (public member function)
operator=
weak_ptr 賦值 (public member function)
swap
交換內容 (公開成員函式)
重置
Reset pointer (public member function)
use_count
Use count (public member function)
expired
Check if expired (public member function)
lock
Lock and restore weak_ptr (public member function)
owner_before
基於所有者的排序 (public member function template)

非成員函式

Overloads:
swap
Exchange content of weak_ptr objects (function template)

另見

shared_ptr
共享指標 (類模板)
owner_less
基於所有權的“小於”操作 (類模板)