On Mon, May 25, 2009 at 3:34 PM, Alex Shinn <[email protected]> wrote:
> Michele Simionato <[email protected]> writes:
>
>> For the interested people: I have nealy finished the slides for my
>> talk at EuroLisp.
>> You can see a preview here:
>> http://www.phyast.pitt.edu/~micheles/scheme/scheme-talk/
>
> Cute slides :)
>
> However, phases are not a "new thing," which is why
> Common-Lisp had EVAL-WHEN as long ago as 1984, and
> presumably earlier Lisps had similar constructs.

Point taken.

> Guile 1.8 is a pure interpreter, which means basically every
> procedure application is a mini EVAL, which is why you see
> that behavior.  For even more insane behavior on Guile's
> part, try:
>
>  guile> (define foo lambda)
>  guile> (define (bar x) ((x (y) (+ y 1)) 2))
>  guile> (bar foo)
>  3
>
> This won't "work" on any other Scheme implementation I'm
> aware of.  The example you give in your slides won't work on
> most implementations either, and it's misleading to suggest
> it's the "old scheme behavior."

Ok. Anybody here knowing Common Lisp can tell me how Common Lisp
would work in that example?

Reply via email to