lispdoc - results for array-has-fill-pointer-p
|Function: Return T if the given ARRAY has a fill pointer, or NIL otherwise.
(defun maybe-set-fill-pointer (array new-length) "If this is an array with a fill pointer, set it to new-length, if that is longer than the current length." (if (and (arrayp array) (array-has-fill-pointer-p array)) (setf (fill-pointer array) (max (fill-pointer array) new-length))))
CLtL2 - 17.5. Fill Pointers
HyperSpec - Function ARRAY-HAS-FILL-POINTER-P
|By Bill Moorier|