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