std::enable_shared_from_this<T>::weak_from_this (3) - Linux Manuals
std::enable_shared_from_this<T>::weak_from_this: std::enable_shared_from_this<T>::weak_from_this
NAME
std::enable_shared_from_this<T>::weak_from_this - std::enable_shared_from_this<T>::weak_from_this
Synopsis
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.
Notes
This is a copy of the the private mutable weak_ptr member that is part of enable_shared_from_this.
Return value
std::weak_ptr<T> that shares ownership of *this with pre-existing std::shared_ptrs
Example
This section is incomplete
Reason: no example
See also
shared_ptr smart pointer with shared object ownership semantics
(C++11)