From: John Frampton 
@Date: Tue, 21 Jan 2003 10:08:40 -0500
@Sender: semware-owner{at}sawasdi.apana.org.au




Carlo wrote:

 > In hindsight I would prefer the last definition to override previous
 > ones, and let the compiler generate only a warning. In
 > hindsight again, the same would have benifited key definitions too,
 > which we can currently redifine in the same macro, but in the wrong
 > order: now we have to put in extra forward declarations.

There are good reasons to prevent overriding previously defined macros 
in normal use.  One can easily get used to compiler error warnings and 
strange and time-consuming bugs can creep in if macros are unwittingly 
overriden.  Ideally, it should be a compiler option, so that overriding 
is allowed for special applications.  How hard would it be to change the 
compiler to allow that?

John Frampton



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