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std::experimental::observer_ptr::swap

From cppreference.com
constexpr void swap(observer_ptr& other) noexcept;
(library fundamentals TS v2)

Swaps the watched object of *this and another observer_ptr object other, by invoking swap on the stored pointers of *this and other.

[edit] Parameters

other - another observer_ptr object to swap the watched object with

[edit] Return value

(none)

[edit] Example