		Search-engine friendly clone of the ACL2 documentation.

Screen-message

Screen-message-kind

Get the kind (tag) of a screen-message structure.

Signature
(screen-message-kind x) → kind
Arguments: x — Guard (screen-messagep x).

Definitions and Theorems

Function: screen-message-kind$inline

(defun screen-message-kind$inline (x)
  (declare (xargs :guard (screen-messagep x)))
  (let ((__function__ 'screen-message-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :error))
                       :error)
                      (t :log))
         :exec (car x))))

Theorem: screen-message-kind-possibilities

(defthm screen-message-kind-possibilities
  (or (equal (screen-message-kind x) :error)
      (equal (screen-message-kind x) :log))
  :rule-classes
  ((:forward-chaining :trigger-terms ((screen-message-kind x)))))