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Transaction-other

Transaction-other->unwrap

Get the unwrap field from a transaction-other.

Signature
(transaction-other->unwrap x) → unwrap
Arguments: x — Guard (transactionp x).
Returns: unwrap — Type (any-p unwrap).

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

Definitions and Theorems

Function: transaction-other->unwrap$inline

(defun transaction-other->unwrap$inline (x)
  (declare (xargs :guard (transactionp x)))
  (declare (xargs :guard (equal (transaction-kind x) :other)))
  (let ((__function__ 'transaction-other->unwrap))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (transaction-kind x) :other)
                      x)))
           (identity (std::da-nth 0 (cdr x))))
         :exec (std::da-nth 0 (cdr x)))))

Theorem: any-p-of-transaction-other->unwrap

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

Theorem: transaction-other->unwrap$inline-of-transaction-fix-x

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

Theorem: transaction-other->unwrap$inline-transaction-equiv-congruence-on-x

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

Theorem: transaction-other->unwrap-when-wrong-kind

(defthm transaction-other->unwrap-when-wrong-kind
  (implies (not (equal (transaction-kind x) :other))
           (equal (transaction-other->unwrap x)
                  (identity nil))))