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