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Stripping-functions

Vl-namedarglist-strip

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

Definitions and Theorems

Function: vl-namedarglist-strip

(defun vl-namedarglist-strip (x)
  (declare (xargs :guard (vl-namedarglist-p x)))
  (let ((__function__ 'vl-namedarglist-strip))
    (declare (ignorable __function__))
    (b* (((when (atom x)) (b* nil x))
         (car (vl-namedarg-strip (car x)))
         (cdr (vl-namedarglist-strip (cdr x))))
      (cons-with-hint car cdr x))))

Theorem: vl-namedarglist-p-of-vl-namedarglist-strip

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

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

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

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

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