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Filepath

Filepath->unwrap

Get the unwrap field from a filepath.

Signature
(filepath->unwrap x) → unwrap
Arguments: x — Guard (filepathp x).
Returns: unwrap — Type (acl2::any-p unwrap).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: filepath->unwrap$inline

(defun filepath->unwrap$inline (x)
  (declare (xargs :guard (filepathp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'filepath->unwrap))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (identity (cdr (std::da-nth 0 x))))
         :exec (cdr (std::da-nth 0 x)))))

Theorem: any-p-of-filepath->unwrap

(defthm any-p-of-filepath->unwrap
  (b* ((unwrap (filepath->unwrap$inline x)))
    (acl2::any-p unwrap))
  :rule-classes :rewrite)

Theorem: filepath->unwrap$inline-of-filepath-fix-x

(defthm filepath->unwrap$inline-of-filepath-fix-x
  (equal (filepath->unwrap$inline (filepath-fix x))
         (filepath->unwrap$inline x)))

Theorem: filepath->unwrap$inline-filepath-equiv-congruence-on-x

(defthm filepath->unwrap$inline-filepath-equiv-congruence-on-x
  (implies (filepath-equiv x x-equiv)
           (equal (filepath->unwrap$inline x)
                  (filepath->unwrap$inline x-equiv)))
  :rule-classes :congruence)