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