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Pprint-options

Pprint-options-p

Recognizer for pprint-options structures.

Signature
(pprint-options-p x) → *

Definitions and Theorems

Function: pprint-options-p

(defun pprint-options-p (x)
 (declare (xargs :guard t))
 (let ((__function__ 'pprint-options-p))
  (declare (ignorable __function__))
  (and
   (mbe
      :logic (and (alistp x)
                  (equal (strip-cars x)
                         '(parenthesize-nested-conditionals)))
      :exec
      (fty::alist-with-carsp x '(parenthesize-nested-conditionals)))
   (b* ((parenthesize-nested-conditionals (cdr (std::da-nth 0 x))))
     (booleanp parenthesize-nested-conditionals)))))

Theorem: consp-when-pprint-options-p

(defthm consp-when-pprint-options-p
  (implies (pprint-options-p x) (consp x))
  :rule-classes :compound-recognizer)