* we use a deleted copy constructor here so the type is no longer * trivially copy-constructible which inhibits our memcpy * optimizations when

Check if the ringbuffer is empty * * \return true, if the ringbuffer is empty, false otherwise * \note Due to the concurrent nature of

* \return true, if stack is empty. * * \note It only guarantees that at some point during the execution of the function the stack has been e