std::enable_shared_from_this<T>::weak_from_this

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std::enable_shared_from_this
std::weak_ptr <T> weak_from_this( ) noexcept ;
(1) (since C++17)
std::weak_ptr <T const > weak_from_this( ) const noexcept ;
(2) (since C++17)

Returns a std::weak_ptr<T> that tracks ownership of *this by all existing std::shared_ptr that refer to *this

Return value

weak_this

Notes

Feature-test macro Value Std Feature
__cpp_lib_enable_shared_from_this 201603L (C++17) std::enable_shared_from_this::weak_from_this

Example

This section is incomplete
Reason: no example

See also

(C++11)
 smart pointer with shared object ownership semantics
(class template)
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