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Unparameterization

Vl-paramdecl-remove-default

Signature
(vl-paramdecl-remove-default x) → new-x
Arguments: x — Guard (vl-paramdecl-p x).
Returns: new-x — Type (vl-paramdecl-p new-x).

Definitions and Theorems

Function: vl-paramdecl-remove-default

(defun vl-paramdecl-remove-default (x)
  (declare (xargs :guard (vl-paramdecl-p x)))
  (let ((__function__ 'vl-paramdecl-remove-default))
    (declare (ignorable __function__))
    (b* (((mv ?ok ans)
          (vl-paramdecl-set-default x nil)))
      ans)))

Theorem: vl-paramdecl-p-of-vl-paramdecl-remove-default

(defthm vl-paramdecl-p-of-vl-paramdecl-remove-default
  (b* ((new-x (vl-paramdecl-remove-default x)))
    (vl-paramdecl-p new-x))
  :rule-classes :rewrite)

Theorem: vl-paramdecl-remove-default-of-vl-paramdecl-fix-x

(defthm vl-paramdecl-remove-default-of-vl-paramdecl-fix-x
  (equal (vl-paramdecl-remove-default (vl-paramdecl-fix x))
         (vl-paramdecl-remove-default x)))

Theorem: vl-paramdecl-remove-default-vl-paramdecl-equiv-congruence-on-x

(defthm
     vl-paramdecl-remove-default-vl-paramdecl-equiv-congruence-on-x
  (implies (vl-paramdecl-equiv x x-equiv)
           (equal (vl-paramdecl-remove-default x)
                  (vl-paramdecl-remove-default x-equiv)))
  :rule-classes :congruence)