(defknown %negate (number) number (movable foldable flushable explicit-check))
(defknown %check-bound (array index fixnum) index (movable foldable flushable))
(defknown data-vector-ref (simple-array index) t
(defknown %negate (number) number (movable foldable flushable explicit-check))
(defknown %check-bound (array index fixnum) index (movable foldable flushable))
(defknown data-vector-ref (simple-array index) t