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Eprefix-option

Eprefix-optionp

Recognizer for eprefix-option structures.

Signature
(eprefix-optionp x) → *

Definitions and Theorems

Function: eprefix-optionp

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