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

Thanks for the explanation.
Sorry for my confusion.
Still no problem for me.
Jos
----- Original Message ----- 
From: "Robby Findler" <robby at cs.uchicago.edu>
To: "Jos Koot" <jos.koot at telefonica.net>
Cc: "Matthew Flatt" <mflatt at cs.utah.edu>; "PLT-Scheme" 
<plt-scheme at list.cs.brown.edu>
Sent: Monday, April 14, 2008 6:30 PM
Subject: Re: [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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