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Vl-dirxlist-cache

Vl-free-dirxlist-cache

Free the fast alist for each individual directory.

Signature
(vl-free-dirxlist-cache x) → *
Arguments: x — Guard (vl-dirxlist-cache-p x).

Definitions and Theorems

Function: vl-free-dirxlist-cache

(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: vl-free-dirxlist-cache-of-vl-dirxlist-cache-fix-x

(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: vl-free-dirxlist-cache-vl-dirxlist-cache-equiv-congruence-on-x

(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)