		Search-engine friendly clone of the ACL2 documentation.

Expr-value

Expr-value-kind

Get the kind (tag) of a expr-value structure.

Signature
(expr-value-kind x) → kind
Arguments: x — Guard (expr-valuep x).

Definitions and Theorems

Function: expr-value-kind$inline

(defun expr-value-kind$inline (x)
  (declare (xargs :guard (expr-valuep x)))
  (let ((__function__ 'expr-value-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :location))
                       :location)
                      (t :value))
         :exec (car x))))

Theorem: expr-value-kind-possibilities

(defthm expr-value-kind-possibilities
  (or (equal (expr-value-kind x) :location)
      (equal (expr-value-kind x) :value))
  :rule-classes
  ((:forward-chaining :trigger-terms ((expr-value-kind x)))))