Method try_lock

extern/libcds/cds/sync/lock_array.h:231–238

        */
        template <typename Q>
        size_t try_lock( Q const& hint )
        {
            size_t nCell = m_SelectCellPolicy( hint, size());
            assert( nCell < size());
            if ( m_arrLocks[nCell].try_lock())
                return nCell;
            return c_nUnspecifiedCell;
        }

        /// Unlock the lock specified by index \p nCell
        void unlock( size_t nCell )