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 <etan...@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 ____________________ Racket Users list: http://lists.racket-lang.org/users
