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• Path

Path-p

Recognizer for path structures.

Signature

(path-p x) → *

Definitions and Theorems

Function: path-p

(defun path-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'path-p))
    (declare (ignorable __function__))
    (cond ((or (atom x) (name-p x))
           (b* ((name x)) (name-p name)))
          (t (b* ((subpath (cdr x)) (namespace (car x)))
               (and (path-p subpath)
                    (name-p namespace)))))))