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Re: memoization and conditional defines


From: Marius Vollmer
Subject: Re: memoization and conditional defines
Date: 17 Nov 2002 21:41:34 +0100
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

Dirk Herrmann <address@hidden> writes:

> I would again like to put your focus on the question, whether we should
> support top level forms like the following:
> 
>   (if <condition> (define foo bar))

I'd say that we might want to allow this, but don't try to make it
behave especially nice.  We should provide a better alternative,
however: Conditional 'defines' should be decided at compile time, not
at run-time.  We might extend 'cond-expand' to allow running arbitrary
code, or something in that direction.

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