(defknown data-vector-set-with-offset (array index fixnum t) t
(unsafe explicit-check always-translatable))
(defknown hairy-data-vector-ref (array index) t
(foldable explicit-check))
(defknown hairy-data-vector-set (array index t) t (unsafe explicit-check))
(defknown data-vector-set-with-offset (array index fixnum t) t
(unsafe explicit-check always-translatable))
(defknown hairy-data-vector-ref (array index) t
(foldable explicit-check))
(defknown hairy-data-vector-set (array index t) t (unsafe explicit-check))