Recognizer for maybe-svex structures.
(maybe-svex-p x) → *
Function:
(defun maybe-svex-p (x) (declare (xargs :guard t)) (let ((__function__ 'maybe-svex-p)) (declare (ignorable __function__)) (cond ((not x) (b* nil t)) (t (b* ((fty::val x)) (svex-p fty::val))))))