Re: [Boost-users] Preprocessor Question

From: Nat Goodspeed (nat_at_[hidden])
Date: 2008-05-06 05:41:55

Ed Keith wrote:

> Is it possible to compare tokens in the preprocessors
> library?
> 
> What I mean is that I can say
> 
> #if (abc == abc)
> foo
> #else
> bar
> #endif
> 
> and it gives me foo
> 
> but if I say
> 
> BOOST_PP_IF(abc == abc, foo, bar)
> 
> I get an error.

I don't know the implementation of BOOST_PP_IF, but would this work any 
better?

BOOST_PP_IF((abc == abc), foo, bar)