Get the comp field from a jtype-array.
This is an ordinary field accessor created by fty::defprod.
Function:
(defun jtype-array->comp$inline (x) (declare (xargs :guard (jtypep x))) (declare (xargs :guard (equal (jtype-kind x) :array))) (let ((__function__ 'jtype-array->comp)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (jtype-kind x) :array) x))) (jtype-fix (std::da-nth 0 (cdr x)))) :exec (std::da-nth 0 (cdr x)))))
Theorem:
(defthm jtypep-of-jtype-array->comp (b* ((comp (jtype-array->comp$inline x))) (jtypep comp)) :rule-classes :rewrite)
Theorem:
(defthm jtype-array->comp$inline-of-jtype-fix-x (equal (jtype-array->comp$inline (jtype-fix x)) (jtype-array->comp$inline x)))
Theorem:
(defthm jtype-array->comp$inline-jtype-equiv-congruence-on-x (implies (jtype-equiv x x-equiv) (equal (jtype-array->comp$inline x) (jtype-array->comp$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm jtype-array->comp-when-wrong-kind (implies (not (equal (jtype-kind x) :array)) (equal (jtype-array->comp x) (jtype-fix nil))))