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Vl-assignpat

Vl-assignpat-kind

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

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

Definitions and Theorems

Function: vl-assignpat-kind$inline

(defun vl-assignpat-kind$inline (x)
  (declare (xargs :guard (vl-assignpat-p x)))
  (let ((__function__ 'vl-assignpat-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :positional))
                       :positional)
                      ((eq (car x) :keyval) :keyval)
                      (t :repeat))
         :exec (car x))))

Theorem: vl-assignpat-kind-possibilities

(defthm vl-assignpat-kind-possibilities
  (or (equal (vl-assignpat-kind x)
             :positional)
      (equal (vl-assignpat-kind x) :keyval)
      (equal (vl-assignpat-kind x) :repeat))
  :rule-classes
  ((:forward-chaining :trigger-terms ((vl-assignpat-kind x)))))