		Search-engine friendly clone of the ACL2 documentation.

Location

Location-kind

Get the kind (tag) of a location structure.

Signature
(location-kind x) → kind
Arguments: x — Guard (locationp x).

Definitions and Theorems

Function: location-kind$inline

(defun location-kind$inline (x)
  (declare (xargs :guard (locationp x)))
  (let ((__function__ 'location-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :var)) :var)
                      ((eq (car x) :tuple-comp) :tuple-comp)
                      (t :struct-comp))
         :exec (car x))))

Theorem: location-kind-possibilities

(defthm location-kind-possibilities
  (or (equal (location-kind x) :var)
      (equal (location-kind x) :tuple-comp)
      (equal (location-kind x) :struct-comp))
  :rule-classes
  ((:forward-chaining :trigger-terms ((location-kind x)))))