[plt-scheme] mreverse!

[Eli Barzilay]

On Jan 24, praimon wrote:
> Thank you, Eli and David, for those pointers.
> But if one DID write a destructive reverse in MY strange sense of
> it, what would it look like? Like I said, my version is nutty
> looking, and I'd like to see a good, simple coding.

IIRC, your version was something along this line:

  (define blist (box (list 1 2 3 4)))
  (define (breverse! blist) (set-box! blist (reverse (unbox blist))))

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                  http://www.barzilay.org/                 Maze is Life!