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Funarg-option

Funarg-optionp

Recognizer for funarg-option structures.

Signature
(funarg-optionp x) → *

Definitions and Theorems

Function: funarg-optionp

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