[plt-scheme] minor WHEN and UNLESS question

From: Eli Barzilay (eli at barzilay.org)
Date: Sun Jul 6 04:38:30 EDT 2008

On Jul  6, Yavuz Arkun wrote:
> When you say "no expr is in tail position" and "destroy" do you mean
> that it won't be tail call optimized?


> Because the infinite loop:
> (let loop ()
>   (unless #f (loop))
> seem to run happily forever without apparent GC, [...]

Right -- and the reason for that is that the implementation does *not*
follow the documentation.

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

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