Method swap

include/dmlc/concurrentqueue.h:658–665

  }

  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;