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std::experimental::observer_ptr::reset

From cppreference.com
constexpr void reset(element_type* p = nullptr) noexcept;
(library fundamentals TS v2)

Set *this to watch the object pointed to by p. get() returns p after the call.

[edit] Parameters

ptr - pointer to a new object to watch

[edit] Example

[edit] See also

returns a pointer to the watched object and stops watching the object
(public member function) [edit]