		Search-engine friendly clone of the ACL2 documentation.

Finalizer

Finalizer->output

Get the output field from a finalizer.

Signature
(finalizer->output x) → output
Arguments: x — Guard (finalizerp x).
Returns: output — Type (type-optionp output).

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

Definitions and Theorems

Function: finalizer->output$inline

(defun finalizer->output$inline (x)
  (declare (xargs :guard (finalizerp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'finalizer->output))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (type-option-fix (cdr (std::da-nth 2 (cdr x)))))
         :exec (cdr (std::da-nth 2 (cdr x))))))

Theorem: type-optionp-of-finalizer->output

(defthm type-optionp-of-finalizer->output
  (b* ((output (finalizer->output$inline x)))
    (type-optionp output))
  :rule-classes :rewrite)

Theorem: finalizer->output$inline-of-finalizer-fix-x

(defthm finalizer->output$inline-of-finalizer-fix-x
  (equal (finalizer->output$inline (finalizer-fix x))
         (finalizer->output$inline x)))

Theorem: finalizer->output$inline-finalizer-equiv-congruence-on-x

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