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Stripping-functions

Vl-eventcontrol-strip

Signature
(vl-eventcontrol-strip x) → new-x
Arguments: x — Guard (vl-eventcontrol-p x).
Returns: new-x — Type (vl-eventcontrol-p new-x).

Definitions and Theorems

Function: vl-eventcontrol-strip

(defun vl-eventcontrol-strip (x)
  (declare (xargs :guard (vl-eventcontrol-p x)))
  (let ((__function__ 'vl-eventcontrol-strip))
    (declare (ignorable __function__))
    (b* (((vl-eventcontrol x)
          (vl-eventcontrol-fix x)))
      (b* ((atoms (vl-evatomlist-strip x.atoms)))
        (change-vl-eventcontrol x
                                :atoms atoms)))))

Theorem: vl-eventcontrol-p-of-vl-eventcontrol-strip

(defthm vl-eventcontrol-p-of-vl-eventcontrol-strip
  (b* ((new-x (vl-eventcontrol-strip x)))
    (vl-eventcontrol-p new-x))
  :rule-classes :rewrite)

Theorem: vl-eventcontrol-strip-of-vl-eventcontrol-fix-x

(defthm vl-eventcontrol-strip-of-vl-eventcontrol-fix-x
  (equal (vl-eventcontrol-strip (vl-eventcontrol-fix x))
         (vl-eventcontrol-strip x)))

Theorem: vl-eventcontrol-strip-vl-eventcontrol-equiv-congruence-on-x

(defthm vl-eventcontrol-strip-vl-eventcontrol-equiv-congruence-on-x
  (implies (vl-eventcontrol-equiv x x-equiv)
           (equal (vl-eventcontrol-strip x)
                  (vl-eventcontrol-strip x-equiv)))
  :rule-classes :congruence)