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Vl-lucidocc

Vl-lucidocc-kind

Get the kind (tag) of a vl-lucidocc structure.

Signature
(vl-lucidocc-kind x) → kind
Arguments: x — Guard (vl-lucidocc-p x).

Definitions and Theorems

Function: vl-lucidocc-kind$inline

(defun vl-lucidocc-kind$inline (x)
  (declare (xargs :guard (vl-lucidocc-p x)))
  (let ((__function__ 'vl-lucidocc-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :solo)) :solo)
                      ((eq (car x) :slice) :slice)
                      (t :tail))
         :exec (car x))))

Theorem: vl-lucidocc-kind-possibilities

(defthm vl-lucidocc-kind-possibilities
  (or (equal (vl-lucidocc-kind x) :solo)
      (equal (vl-lucidocc-kind x) :slice)
      (equal (vl-lucidocc-kind x) :tail))
  :rule-classes
  ((:forward-chaining :trigger-terms ((vl-lucidocc-kind x)))))