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Jcunit

Jcunitp

Recognizer for jcunit structures.

Signature
(jcunitp x) → *

Definitions and Theorems

Function: jcunitp

(defun jcunitp (x)
 (declare (xargs :guard t))
 (let ((__function__ 'jcunitp))
  (declare (ignorable __function__))
  (and
     (mbe :logic (and (alistp x)
                      (equal (strip-cars x)
                             '(package? imports types)))
          :exec (fty::alist-with-carsp x '(package? imports types)))
     (b* ((package? (cdr (std::da-nth 0 x)))
          (imports (cdr (std::da-nth 1 x)))
          (types (cdr (std::da-nth 2 x))))
       (and (maybe-stringp package?)
            (jimport-listp imports)
            (jclass-listp types))))))

Theorem: consp-when-jcunitp

(defthm consp-when-jcunitp
  (implies (jcunitp x) (consp x))
  :rule-classes :compound-recognizer)