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Iconst-info

Iconst-infop

Recognizer for iconst-info structures.

Signature
(iconst-infop x) → *

Definitions and Theorems

Function: iconst-infop

(defun iconst-infop (x)
  (declare (xargs :guard t))
  (let ((__function__ 'iconst-infop))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x) '(type value)))
              :exec (fty::alist-with-carsp x '(type value)))
         (b* ((type (cdr (std::da-nth 0 x)))
              (value (cdr (std::da-nth 1 x))))
           (and (typep type) (natp value))))))

Theorem: consp-when-iconst-infop

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