Get the default field from a statement-switch.
(statement-switch->default x) → default
This is an ordinary field accessor created by fty::defprod.
Function:
(defun statement-switch->default$inline (x) (declare (xargs :guard (statementp x))) (declare (xargs :guard (equal (statement-kind x) :switch))) (let ((__function__ 'statement-switch->default)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (statement-kind x) :switch) x))) (block-option-fix (std::da-nth 2 (cdr x)))) :exec (std::da-nth 2 (cdr x)))))
Theorem:
(defthm block-optionp-of-statement-switch->default (b* ((default (statement-switch->default$inline x))) (block-optionp default)) :rule-classes :rewrite)
Theorem:
(defthm statement-switch->default$inline-of-statement-fix-x (equal (statement-switch->default$inline (statement-fix x)) (statement-switch->default$inline x)))
Theorem:
(defthm statement-switch->default$inline-statement-equiv-congruence-on-x (implies (statement-equiv x x-equiv) (equal (statement-switch->default$inline x) (statement-switch->default$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm statement-switch->default-when-wrong-kind (implies (not (equal (statement-kind x) :switch)) (equal (statement-switch->default x) (block-option-fix nil))))