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• Vl-msg

Vl-msg-p

Recognizer for vl-msg structures.

Signature

(vl-msg-p x) → *

Definitions and Theorems

Function: vl-msg-p

(defun vl-msg-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'vl-msg-p))
    (declare (ignorable __function__))
    (and (or (atom x) (cdr x))
         (b* ((msg (if (atom x) x (car x)))
              (args (and (consp x) (cdr x))))
           (and (stringp msg)
                (true-listp args))))))