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Char-val

Char-val-kind

Get the kind (tag) of a char-val structure.

Signature
(char-val-kind x) → kind
Arguments: x — Guard (char-val-p x).

Definitions and Theorems

Function: char-val-kind$inline

(defun char-val-kind$inline (x)
  (declare (xargs :guard (char-val-p x)))
  (let ((__function__ 'char-val-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :sensitive))
                       :sensitive)
                      (t :insensitive))
         :exec (car x))))

Theorem: char-val-kind-possibilities

(defthm char-val-kind-possibilities
  (or (equal (char-val-kind x) :sensitive)
      (equal (char-val-kind x) :insensitive))
  :rule-classes
  ((:forward-chaining :trigger-terms ((char-val-kind x)))))