		Search-engine friendly clone of the ACL2 documentation.

Maybe-command-error

Maybe-command-error-p

Recognizer for maybe-command-error structures.

Signature
(maybe-command-error-p x) → *

Definitions and Theorems

Function: maybe-command-error-p

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