std::experimental::observer_ptr<W>:: 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.

Parameters

ptr - pointer to a new object to watch

Example

See also

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