[plt-scheme] v4 top-level based languages in DrScheme

Oh! I wasn't clear.

I do not want to remove "#lang mzscheme". That will stay for a while.
It is the choice "Textual (MzScheme)" in the langauge dialog that I'm
proposing going away. Nothing else. That is mostly a GUI question for
users of DrScheme.

Robby

On Mon, Apr 14, 2008 at 11:26 AM, Jos Koot <jos.koot at telefonica.net> wrote:
> I still do use mzscheme for files with examples/tests in which equivalent
> examples/tests may define (and redefine) the same top level variable. But
> with #lang scheme/load and wrapping the examples/tests in modules there is
> no problem, on the contrary, the modules will assure that the examples/tests
> are not interdependent! Hence, as far as I am concerned, #lang mzscheme
> language can be removed.
>  Jos
>
>  ----- Original Message ----- From: "Matthew Flatt" <mflatt at cs.utah.edu>
>  To: "PLT-Scheme" <plt-scheme at list.cs.brown.edu>
>  Sent: Monday, April 14, 2008 5:26 PM
>  Subject: Re: [plt-scheme] v4 top-level based languages in DrScheme
>
>
>
>
>
> > At Mon, 14 Apr 2008 08:05:50 -0500, "Robby Findler" wrote:
> >
> > > On Mon, Apr 14, 2008 at 7:05 AM, Grant Rettke <grettke at acm.org> wrote:
> > > > >  Is there anyone out there that still uses mzscheme and/or mred in
> v4
> > > >  >  or imagines that they would?
> > > >
> > > >  For what do folks usually use the mzscheme language?
> > >
> > > The main justification for it before was that it matched what you get
> > > when you start up the mzscheme binary. But now that things are much
> > > more module-oriented, this seems much less important (specifically, if
> > > your program begins with "#lang ..." then calling mzscheme on it is
> > > more like using the "Module" language in the v4 DrScheme).
> > >
> >
> > Nevertheless, one reasonable use of the "MzScheme" language was for
> > interactive exploration. For example, you might want to try something
> > like
> >
> >  (module m mzscheme
> >   (provide x)
> >   (define x 5))
> >
> >  (module n mzscheme
> >   (require 'm)
> >   (display x))
> >
> >  (require 'n)
> >
> > and then poke at the definitions of `m' and `n' without having to copy
> > them to the REPL for every experiment.
> >
> > To support this kind of interaction, we've added a `scheme/load'
> > language (just now committed to SVN). Using `scheme/load', you can
> > perform these kinds of experiments in the Module language:
> >
> >  #lang scheme/load
> >
> >  (module m mzscheme
> >   (provide x)
> >   (define x 5))
> >
> >  (module n mzscheme
> >   (require 'm)
> >   (display x))
> >
> >  (require 'n)
> >
> >
> >
> > Matthew
> >
> > _________________________________________________
> >  For list-related administrative tasks:
> >  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
> >
>
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