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Struct-dinfo

Struct-dinfop

Recognizer for struct-dinfo structures.

Signature
(struct-dinfop x) → *

Definitions and Theorems

Function: struct-dinfop

(defun struct-dinfop (x)
  (declare (xargs :guard t))
  (let ((__function__ 'struct-dinfop))
    (declare (ignorable __function__))
    (and (consp x)
         (eq (car x) :struct-dinfo)
         (mbe :logic (and (alistp (cdr x))
                          (equal (strip-cars (cdr x))
                                 '(components)))
              :exec (fty::alist-with-carsp (cdr x)
                                           '(components)))
         (b* ((components (cdr (std::da-nth 0 (cdr x)))))
           (type-mapp components)))))

Theorem: consp-when-struct-dinfop

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