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Funinfo+funenv

Funinfo+funenv-p

Recognizer for funinfo+funenv structures.

Signature
(funinfo+funenv-p x) → *

Definitions and Theorems

Function: funinfo+funenv-p

(defun funinfo+funenv-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'funinfo+funenv-p))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x) '(info env)))
              :exec (fty::alist-with-carsp x '(info env)))
         (b* ((info (cdr (std::da-nth 0 x)))
              (env (cdr (std::da-nth 1 x))))
           (and (funinfop info) (funenvp env))))))

Theorem: consp-when-funinfo+funenv-p

(defthm consp-when-funinfo+funenv-p
  (implies (funinfo+funenv-p x) (consp x))
  :rule-classes :compound-recognizer)