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Vl-lucidval

Vl-lucidval-p

Recognizer for vl-lucidval structures.

Signature
(vl-lucidval-p x) → *

Definitions and Theorems

Function: vl-lucidval-p

(defun vl-lucidval-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'vl-lucidval-p))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x)
                                 '(used set errors)))
              :exec (fty::alist-with-carsp x '(used set errors)))
         (b* ((used (cdr (std::da-nth 0 x)))
              (set (cdr (std::da-nth 1 x)))
              (errors (cdr (std::da-nth 2 x))))
           (and (vl-lucidocclist-p used)
                (vl-lucidocclist-p set)
                (true-listp errors))))))

Theorem: consp-when-vl-lucidval-p

(defthm consp-when-vl-lucidval-p
  (implies (vl-lucidval-p x) (consp x))
  :rule-classes :compound-recognizer)