[plt-scheme] Collect-Garbage not enabled on Dr. Scheme?

From: David Yrueta (dyrueta at gmail.com)
Date: Sat Apr 4 16:31:23 EDT 2009

Thank you.  I'm not working on any of those platforms, just on Dr. Scheme.
 Can you explain to me what collect-garbage does?

On Sat, Apr 4, 2009 at 1:21 PM, emre berat nebioğlu <beratn at gmail.com>wrote:

> it works in pretty big ,lazy scheme and also FRtime plus it works in PLAI
> scheme.
> My drscheme version : 4.1.4
>
> On Sat, Apr 4, 2009 at 11:12 PM, dave yrueta <dyrueta at gmail.com> wrote:
>
>> Hi All --
>>
>> After creating function 'create-tests,' I ran the following per HtDP
>> exercise 26.3.6 --
>>
>> (define test-case (create-tests 10000))
>> (collect-garbage)
>> (time (sort test-case))
>> (collect-garbage)
>> (time (quick-sort test-case))
>>
>> -- which returned this:
>>
>> collect-garbage: name is not defined, not a parameter, and not a
>> primitive name
>>
>> I tried changing the teaching language to Advanced Student and still
>> received the same error message.  Is there something I need to do to
>> enable the collect-garbage function?  Also, what does collect-garbage
>> do?
>>
>> Thanks!
>>
>> Dave Yrueta
>> _________________________________________________
>>  For list-related administrative tasks:
>>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>>
>
>
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