std::experimental::swap(std::experimental::observer_ptr)
Min standard notice:
Specializes the swap algorithm for std::experimental::observer_ptr. Swaps the pointers of lhs and rhs. Calls lhs.swap(rhs).
# Declarations
template< class W >
void swap( observer_ptr<W>& lhs, observer_ptr<W>& rhs ) noexcept;
(library fundamentals TS v2)
# Parameters
lhs, rhs: observer_ptrs whose contents to swap
# Return value
(none)