		Search-engine friendly clone of the ACL2 documentation.

Newline

Newline-kind

Get the kind (tag) of a newline structure.

Signature
(newline-kind x) → kind
Arguments: x — Guard (newlinep x).

Definitions and Theorems

Function: newline-kind$inline

(defun newline-kind$inline (x)
  (declare (xargs :guard (newlinep x)))
  (mbe :logic (cond ((or (atom x) (eq (car x) :lf)) :lf)
                    ((eq (car x) :cr) :cr)
                    (t :crlf))
       :exec (car x)))

Theorem: newline-kind-possibilities

(defthm newline-kind-possibilities
  (or (equal (newline-kind x) :lf)
      (equal (newline-kind x) :cr)
      (equal (newline-kind x) :crlf))
  :rule-classes
  ((:forward-chaining :trigger-terms ((newline-kind x)))))