[plt-scheme] aborts, composable continution, and begin

Uhh.. I mean a prompt!

Robby

On 6/16/07, Robby Findler <robby at cs.uchicago.edu> wrote:
> No, there is an abort around top-level expressions (including spliced out ones).
>
> Robby
>
> On 6/16/07, Dimitris Vyzovitis <vyzo at media.mit.edu> wrote:
> > On Sat, 16 Jun 2007, Robby Findler wrote:
> >
> > > Top-level begins aren't like internal begins. They are spliced out and
> > > each subexpression is treated as separate. That's probably the source
> > > of the confusion.
> >
> > This doesn't quite explain what happens to the continuation. Shouldn't it,
> > after the splicing, be still there?
> >
> > > On 6/16/07, Dimitris Vyzovitis <vyzo at media.mit.edu> wrote:
> > > > Is this correct behavior?
> > > >
> > > > (define (foo)
> > > >   (call-with-composable-continuation
> > > >    (lambda (k)
> > > >      (abort-current-continuation
> > > >       (default-continuation-prompt-tag)
> > > >       k))))
> > > >
> > > > > (begin (foo) (printf "I fooed!~n"))
> > > > > ((lambda () (foo) (printf "I lambda-fooed!~n")))
> > > > I lambda-fooed!
> >
> > -- vyzo
> >
> >
>