[futures.task.nonmembers] (original) (raw)
32 Concurrency support library [thread]
32.10.10 Class template packaged_task [futures.task]
32.10.10.3 Globals [futures.task.nonmembers]
template<class R, class... ArgTypes> void swap(packaged_task<R(ArgTypes...)>& x, packaged_task<R(ArgTypes...)>& y) noexcept;
Effects: As if by x.swap(y).