Get the kind (tag) of a optional-integer-type-suffix structure.
(optional-integer-type-suffix-kind x) → kind
Function:
(defun optional-integer-type-suffix-kind$inline (x) (declare (xargs :guard (optional-integer-type-suffix-p x))) (let ((__function__ 'optional-integer-type-suffix-kind)) (declare (ignorable __function__)) (mbe :logic (cond ((or (atom x) (eq (car x) :none)) :none) ((eq (car x) :lowercase) :lowercase) (t :uppercase)) :exec (car x))))
Theorem:
(defthm optional-integer-type-suffix-kind-possibilities (or (equal (optional-integer-type-suffix-kind x) :none) (equal (optional-integer-type-suffix-kind x) :lowercase) (equal (optional-integer-type-suffix-kind x) :uppercase)) :rule-classes ((:forward-chaining :trigger-terms ((optional-integer-type-suffix-kind x)))))