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Validator-state-option

Validator-state-optionp

Recognizer for validator-state-option structures.

Signature
(validator-state-optionp x) → *

Definitions and Theorems

Function: validator-state-optionp

(defun validator-state-optionp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'validator-state-optionp))
    (declare (ignorable __function__))
    (cond ((not x) (b* nil t))
          (t (b* ((fty::val x))
               (validator-statep fty::val))))))