[plt-scheme] HTDP Exercises and language levels

From: Robby Findler (robby at cs.uchicago.edu)
Date: Wed Nov 19 09:46:47 EST 2003

The intermezzos are when you change language levels. You haven't gotten
there yet.

Have you considered using `and' or `cond' to combine things? You
certainly don't need recusion.


At Wed, 19 Nov 2003 14:35:12 +0000, Guenther Schmidt wrote:
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> Hi,
> how do I find out which language level is supposed to be sufficient for 
> a current exercise?
> For instance:
> I'm trying to solve an exercise in Section 6.6 HTDP and I think I know 
> how to formulate the solution under an advanced language level, but I 
> have the feeling, as this would require recursion and / or other things 
> that have not yet been formally introduced yet, that this is not what 
> the authors had in mind.
> I've read through the previous over and over but couldn't find a hint 
> which would give away the language level.
> Best regards
> Guenther

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