Get the cases field from a statement-switch.
(statement-switch->cases x) → cases
This is an ordinary field accessor created by fty::defprod.
Function:
(defun statement-switch->cases$inline (x) (declare (xargs :guard (statementp x))) (declare (xargs :guard (equal (statement-kind x) :switch))) (let ((__function__ 'statement-switch->cases)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (statement-kind x) :switch) x))) (swcase-list-fix (std::da-nth 1 (cdr x)))) :exec (std::da-nth 1 (cdr x)))))
Theorem:
(defthm swcase-listp-of-statement-switch->cases (b* ((cases (statement-switch->cases$inline x))) (swcase-listp cases)) :rule-classes :rewrite)
Theorem:
(defthm statement-switch->cases$inline-of-statement-fix-x (equal (statement-switch->cases$inline (statement-fix x)) (statement-switch->cases$inline x)))
Theorem:
(defthm statement-switch->cases$inline-statement-equiv-congruence-on-x (implies (statement-equiv x x-equiv) (equal (statement-switch->cases$inline x) (statement-switch->cases$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm statement-switch->cases-when-wrong-kind (implies (not (equal (statement-kind x) :switch)) (equal (statement-switch->cases x) (swcase-list-fix nil))))