[plt-scheme] match question

hello,
Unfortunately the bug reporting function isn't working for me
(the "submitting bug report" message never completes).
I'm guessing my firewall is blocking some needed port,
or maybe it's something else.

regards,
praimon

On Tue, May 13, 2008 at 8:22 AM, Sam TH <samth at ccs.neu.edu> wrote:
> On Mon, May 12, 2008 at 11:34 PM, praimon <praimon at gmail.com> wrote:
>  > thanks for your response. Would you say that the greediness of
>  >  the patterns produces counter-intuitive answers?
>  >  Here's a very simple example:
>  >
>  >  (match '(3 2 4 3 2 1)
>  >        ((list x y ... x z ...) (append y z))
>  >  => (2 4 3 2)
>  >
>  >  Surely the result should be (2 4 2 1)? At least that's the intuitively
>  >  correct answer (and the one returned by Mathematica, e.g.).
>  >
>  >  Changing ... to ..1 produces a different counter-intuitive answer: (2 4 3 1).
>  >  For people like me, who are merely using your language rather than trying
>  >  to understand its inner workings, this is worrisome.
>
>  Neither of those are the right answer.  There seems to be something
>  wrong with non-linear patterns (patterns where a variable appears
>  multiple times, like `x' does here) combined with ...  I'll take a
>  look at it.
>
>  If you could file a bug report with that example (see the "Submit Bug
>  Report" entry under the Help menu) that would be great.
>
>  Thanks,
>  --
>
>
> sam th
>  samth at ccs.neu.edu
>