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Transaction

Transaction->value

Get the value field from a transaction.

Signature
(transaction->value x) → value
Arguments: x — Guard (transactionp x).
Returns: value — Type (wordp value).

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

Definitions and Theorems

Function: transaction->value$inline

(defun transaction->value$inline (x)
  (declare (xargs :guard (transactionp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'transaction->value))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (word-fix (std::da-nth 4 (cdr x))))
         :exec (std::da-nth 4 (cdr x)))))

Theorem: wordp-of-transaction->value

(defthm wordp-of-transaction->value
  (b* ((value (transaction->value$inline x)))
    (wordp value))
  :rule-classes :rewrite)

Theorem: transaction->value$inline-of-transaction-fix-x

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

Theorem: transaction->value$inline-transaction-equiv-congruence-on-x

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