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Excerpts from netnews.comp.std.c++: 22-Aug-95 Re: true/false literal std
.. vinoski@apollo.hp.com (1339)

> Also, if true and false were reduced to 1 and 0 by the preprocessor,
> overloading on type bool would not be possible.  I thought that
> overloading was a big reason that bool was added to the language in
> the first place.

I would expect that if the preprocessor were enhanced to recognize
true/false it would only do so in the context of #if, or #elif.  I think
the potential for confusion arising from the use of 1/0 for true/false
in the preprocessor and true/false in C++ code warrants fixing the
preprocessor to maintain consistency. It seems it would be fairly
trivial to add two new literals named true and false to the
preprocessor's expression parser...

-Rob

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