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Data-value

Data-value-kind

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

Signature
(data-value-kind x) → kind
Arguments: x — Guard (data-value-p x).

Definitions and Theorems

Function: data-value-kind$inline

(defun data-value-kind$inline (x)
  (declare (xargs :guard (data-value-p x)))
  (let ((__function__ 'data-value-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :hex)) :hex)
                      (t :plain))
         :exec (car x))))

Theorem: data-value-kind-possibilities

(defthm data-value-kind-possibilities
  (or (equal (data-value-kind x) :hex)
      (equal (data-value-kind x) :plain))
  :rule-classes
  ((:forward-chaining :trigger-terms ((data-value-kind x)))))