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Filedata

Filedata->unwrap

Get the unwrap field from a filedata.

Signature
(filedata->unwrap x) → unwrap
Arguments: x — Guard (filedatap x).
Returns: unwrap — Type (byte-listp unwrap).

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

Definitions and Theorems

Function: filedata->unwrap$inline

(defun filedata->unwrap$inline (x)
  (declare (xargs :guard (filedatap x)))
  (declare (xargs :guard t))
  (let ((__function__ 'filedata->unwrap))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (byte-list-fix (cdr (std::da-nth 0 x))))
         :exec (cdr (std::da-nth 0 x)))))

Theorem: byte-listp-of-filedata->unwrap

(defthm byte-listp-of-filedata->unwrap
  (b* ((unwrap (filedata->unwrap$inline x)))
    (byte-listp unwrap))
  :rule-classes :rewrite)

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

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

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

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