Get the get field from a object/data-data.
(object/data-data->get x) → get
This is an ordinary field accessor created by fty::defprod.
Function:
(defun object/data-data->get$inline (x) (declare (xargs :guard (object/data-p x))) (declare (xargs :guard (equal (object/data-kind x) :data))) (let ((__function__ 'object/data-data->get)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (object/data-kind x) :data) x))) (data-item-fix (std::da-nth 0 (cdr x)))) :exec (std::da-nth 0 (cdr x)))))
Theorem:
(defthm data-item-p-of-object/data-data->get (b* ((get (object/data-data->get$inline x))) (data-item-p get)) :rule-classes :rewrite)
Theorem:
(defthm object/data-data->get$inline-of-object/data-fix-x (equal (object/data-data->get$inline (object/data-fix x)) (object/data-data->get$inline x)))
Theorem:
(defthm object/data-data->get$inline-object/data-equiv-congruence-on-x (implies (object/data-equiv x x-equiv) (equal (object/data-data->get$inline x) (object/data-data->get$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm object/data-data->get-when-wrong-kind (implies (not (equal (object/data-kind x) :data)) (equal (object/data-data->get x) (data-item-fix nil))))