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Character-list-result-err

Character-list-result-err->get

Get the get field from a character-list-result-err.

Signature
(character-list-result-err->get x) → get
Arguments: x — Guard (character-list-resultp x).
Returns: get — Type (fty::reserrp get).

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

Definitions and Theorems

Function: character-list-result-err->get$inline

(defun character-list-result-err->get$inline (x)
  (declare (xargs :guard (character-list-resultp x)))
  (declare (xargs :guard (equal (character-list-result-kind x)
                                :err)))
  (let ((__function__ 'character-list-result-err->get))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (character-list-result-kind x)
                             :err)
                      x)))
           (fty::reserr-fix x))
         :exec x)))

Theorem: reserrp-of-character-list-result-err->get

(defthm reserrp-of-character-list-result-err->get
  (b* ((get (character-list-result-err->get$inline x)))
    (fty::reserrp get))
  :rule-classes :rewrite)

Theorem: character-list-result-err->get$inline-of-character-list-result-fix-x

(defthm
 character-list-result-err->get$inline-of-character-list-result-fix-x
 (equal (character-list-result-err->get$inline
             (character-list-result-fix x))
        (character-list-result-err->get$inline x)))

Theorem: character-list-result-err->get$inline-character-list-result-equiv-congruence-on-x

(defthm
 character-list-result-err->get$inline-character-list-result-equiv-congruence-on-x
 (implies (character-list-result-equiv x x-equiv)
          (equal (character-list-result-err->get$inline x)
                 (character-list-result-err->get$inline x-equiv)))
 :rule-classes :congruence)

Theorem: character-list-result-err->get-when-wrong-kind

(defthm character-list-result-err->get-when-wrong-kind
  (implies (not (equal (character-list-result-kind x)
                       :err))
           (equal (character-list-result-err->get x)
                  (fty::reserr-fix nil))))