;;-*-Lisp-*-
(in-package goal)

;; definition of type drawable-tree
(deftype drawable-tree (drawable-group)
  ()
  )

;; definition of type drawable-tree-array
(deftype drawable-tree-array (drawable-group)
  ((trees  drawable-tree  1 :overlay-at (-> data 0))
   )
  )

;; failed to figure out what this is:
0