		Search-engine friendly clone of the ACL2 documentation.

Message

Message->destination

Get the destination field from a message.

Signature
(message->destination x) → destination
Arguments: x — Guard (messagep x).
Returns: destination — Type (addressp destination).

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

Definitions and Theorems

Function: message->destination$inline

(defun message->destination$inline (x)
  (declare (xargs :guard (messagep x)))
  (declare (xargs :guard t))
  (let ((__function__ 'message->destination))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (address-fix (cdr (std::da-nth 1 x))))
         :exec (cdr (std::da-nth 1 x)))))

Theorem: addressp-of-message->destination

(defthm addressp-of-message->destination
  (b* ((destination (message->destination$inline x)))
    (addressp destination))
  :rule-classes :rewrite)

Theorem: message->destination$inline-of-message-fix-x

(defthm message->destination$inline-of-message-fix-x
  (equal (message->destination$inline (message-fix x))
         (message->destination$inline x)))

Theorem: message->destination$inline-message-equiv-congruence-on-x

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