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