(defun aset (array idx value)
(setf (aref array idx) value))
(eval-when-compile
(defun concat (&rest strs)
(apply #'concatenate 'string strs)))
(defun aset (array idx value)
(setf (aref array idx) value))
(eval-when-compile
(defun concat (&rest strs)
(apply #'concatenate 'string strs)))