[plt-scheme] The usefullness of module systems

Have you tried using the module language in DrScheme? When you click
Execute, the repl you get is "inside" the module. Maybe that will help.

Robby

At Fri, 8 Oct 2004 14:52:07 -0500, Corey Sweeney wrote:
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> 
> Hi.  I currenly use closures instead of modules, and am looking at
> switching to modules.  So far I see the advantages as the "stackable
> macros" thing (of which i currenly have no macros to stack).  The big
> downside that i see, is that it will make development much harder,
> because when i go to probe a variable inside the module i'm
> developing, it'll just say "undefined identifier".  I've tried doing
> 
> (define x 7)
> (provide mod-env)
> (define mod-env (interaction-environment))
> 
> inside the module, then doing 
> 
> 
> (require...)
> (eval `x mod-env)
> 
> at top level, and i still get "undefined identifier".  Is there any
> good way to get a prompt with access to the internal vars?
> 
> My other options that I see are:
> Write it outside the module, and then wrap it in the module after your
> your sure you'll never make any more changes. (i.e. never :)
> Attempt using my "define-global" (call/cc trick) to mask define inside
> the module, dumping all internal vars into the global environment.
> 
> ,  without useing my "define-global" which