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Maybe-4vec

Maybe-4vec-p

Recognizer for maybe-4vec structures.

Signature
(maybe-4vec-p x) → *

Definitions and Theorems

Function: maybe-4vec-p

(defun maybe-4vec-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'maybe-4vec-p))
    (declare (ignorable __function__))
    (cond ((not x) (b* nil t))
          (t (b* ((fty::val x))
               (4vec-p fty::val))))))