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Boolean-result

Boolean-resultp

Recognizer for boolean-result structures.

Signature
(boolean-resultp x) → *

Definitions and Theorems

Function: boolean-resultp

(defun boolean-resultp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'boolean-resultp))
    (declare (ignorable __function__))
    (cond ((booleanp x)
           (b* ((get x)) (booleanp get)))
          (t (b* ((get x)) (fty::reserrp get))))))