Method swap

deps/concurrentqueue/concurrentqueue.h:714–721

	}
	
	void swap(ConsumerToken& other) MOODYCAMEL_NOEXCEPT
	{
		std::swap(initialOffset, other.initialOffset);
		std::swap(lastKnownGlobalOffset, other.lastKnownGlobalOffset);
		std::swap(itemsConsumedFromCurrent, other.itemsConsumedFromCurrent);
		std::swap(currentProducer, other.currentProducer);
		std::swap(desiredProducer, other.desiredProducer);
	}
	
	// Disable copying and assignment
	ConsumerToken(ConsumerToken const&) MOODYCAMEL_DELETE_FUNCTION;