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