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Transaction

Transaction-kind

Get the kind (tag) of a transaction structure.

Signature
(transaction-kind x) → kind
Arguments: x — Guard (transactionp x).

Definitions and Theorems

Function: transaction-kind$inline

(defun transaction-kind$inline (x)
  (declare (xargs :guard (transactionp x)))
  (let ((__function__ 'transaction-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :bond)) :bond)
                      ((eq (car x) :unbond) :unbond)
                      (t :other))
         :exec (car x))))

Theorem: transaction-kind-possibilities

(defthm transaction-kind-possibilities
  (or (equal (transaction-kind x) :bond)
      (equal (transaction-kind x) :unbond)
      (equal (transaction-kind x) :other))
  :rule-classes
  ((:forward-chaining :trigger-terms ((transaction-kind x)))))