Free the fast alist for each individual directory.
(vl-free-dirxlist-cache x) → *
Function:
(defun vl-free-dirxlist-cache (x) (declare (xargs :guard (vl-dirxlist-cache-p x))) (let ((__function__ 'vl-free-dirxlist-cache)) (declare (ignorable __function__)) (if (atom x) nil (progn$ (fast-alist-free (cdar x)) (vl-free-dirxlist-cache (cdr x))))))
Theorem:
(defthm vl-free-dirxlist-cache-of-vl-dirxlist-cache-fix-x (equal (vl-free-dirxlist-cache (vl-dirxlist-cache-fix x)) (vl-free-dirxlist-cache x)))
Theorem:
(defthm vl-free-dirxlist-cache-vl-dirxlist-cache-equiv-congruence-on-x (implies (vl-dirxlist-cache-equiv x x-equiv) (equal (vl-free-dirxlist-cache x) (vl-free-dirxlist-cache x-equiv))) :rule-classes :congruence)