Function empty

extern/libcds/cds/container/fcdeque.h:365–371

Checks if the deque is empty If the combining is in process the function waits while combining done. */

            If the combining is in process the function waits while combining done.
        */
        bool empty() const
        {
            bool bRet = false;
            auto const& deq = m_Deque;
            m_FlatCombining.invoke_exclusive( [&deq, &bRet]() { bRet = deq.empty(); } );
            return bRet;
        }

        /// Internal statistics
        stat const& statistics() const