Re: [boost] Boost.Preprocessor: Alternatives to defined(x)

From: David Abrahams (dave_at_[hidden])
Date: 2003-01-05 17:07:22

"Paul Mensonides" <pmenso57_at_[hidden]> writes:

> Vesa, I can get it to work on VC and Metrowerks if I alter the semantics
> slightly.  Namely by doing this:
>
> #define IS_ZERO(x) IS_ZERO_I( CHECK x () )
> // ...
>
> #define CHECK() 1
>
> The semantic change is that 'x' must not be a function-like macro.  What do
> you think?

I think that rules out most of the use-cases Vesa was interested in
addressing with this :(

-- 
                       David Abrahams
   dave_at_[hidden] * http://www.boost-consulting.com
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