[racket] student languages: getting started?

I think the instructions in HtDP are wrong. You could choose "Choose
Language" and then click on "Beginning Student Language" in the
resulting dialog.

Robby

On Tue, May 20, 2014 at 9:24 AM, Éric Tanter <etanter at dcc.uchile.cl> wrote:
> Hi,
>
> I'm having trouble using the base student languages from scratch (v6.0.1).
> (strangely enough, it's the first time ever I'm really interested in running these languages since the whole #lang story was introduced)
>
> 1. If I start DrRacket and try to follow the instructions online
> http://www.ccs.neu.edu/home/matthias/HtDP2e/part_prologue.html
> "Start DrRacket and choose “Beginning Student Language” from the “How to Design Programs” submenu in the “Language” menu."
> -> there is simply no such submenu in the language menu, nor is there an htdp section in the "choose language..." dialog
>
> 2. If I put #lang htdp/bsl then I can use bsl and run it, but the stepper does not work:
> send: no such method
>   method name: stepper-button-callback
>   class name: ...ket/version/tool.rkt:176:9
>   context...:
>    /Applications/Racket/collects/racket/private/class-internal.rkt:4387:0: obj-error34
>    /Applications/Racket/share/pkgs/htdp-lib/stepper/drracket-button.rkt:11:3
>    /Applications/Racket/collects/racket/private/more-scheme.rkt:147:2: call-with-break-parameterization
>    /Applications/Racket/collects/racket/private/more-scheme.rkt:264:2: call-with-exception-handler
>    /Applications/Racket/share/pkgs/gui-lib/mred/private/wx/cocoa/window.rkt:751:4: dispatch-on-event method in window%
>    /Applications/Racket/share/pkgs/gui-lib/mred/private/wx/common/queue.rkt:451:6
>    /Applications/Racket/share/pkgs/gui-lib/mred/private/wx/common/queue.rkt:502:32
>    /Applications/Racket/share/pkgs/gui-lib/mred/private/wx/common/queue.rkt:650:3
>
> Clearly, I must be doing something wrong, because those things should work right out of the box I assume!
>
> (I tried running raco setup, that didn't fix the issues)
>
> Thanks,
>
> -- Éric
>
>
>
> ____________________
>   Racket Users list:
>   http://lists.racket-lang.org/users