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Function-dinfo

Function-dinfop

Recognizer for function-dinfo structures.

Signature
(function-dinfop x) → *

Definitions and Theorems

Function: function-dinfop

(defun function-dinfop (x)
  (declare (xargs :guard t))
  (let ((__function__ 'function-dinfop))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x)
                                 '(inputs output body)))
              :exec (fty::alist-with-carsp x '(inputs output body)))
         (b* ((inputs (cdr (std::da-nth 0 x)))
              (output (cdr (std::da-nth 1 x)))
              (body (cdr (std::da-nth 2 x))))
           (and (funparam-listp inputs)
                (typep output)
                (statement-listp body))))))

Theorem: consp-when-function-dinfop

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