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• Nrev

Nrev-append

Add several elements into nrev at once.

We just leave this enabled.

Definitions and Theorems

Function: nrev-append

(defun nrev-append (x nrev)
  (declare (xargs :guard t :stobjs nrev))
  (mbe :logic
       (non-exec (append nrev (list-fix x)))
       :exec
       (if (atom x)
           (nrev-fix nrev)
         (let ((nrev (nrev-push (car x) nrev)))
           (nrev-append (cdr x) nrev)))))