Method deque

extern/libcds/test/stress/queue/queue_type.h:65–68

                return base_class::pop_back( v );
            }
            bool deque( T& v )
            {
                return pop(v);
            }
        };

        template <typename T, typename Traits=cds::container::fcdeque::traits, class Deque = std::deque<T> >