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Filepath-option

Filepath-optionp

Recognizer for filepath-option structures.

Signature
(filepath-optionp x) → *

Definitions and Theorems

Function: filepath-optionp

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