From: Edward Bishop (dicatna2003_at_[hidden])
Date: 2005-03-21 23:54:00
>>
>> The IS_UNSIGNED_CHAR() macro is meant to be used in another macro:
>>
>> #define IS_BUILTIN_TYPE(x) BOOST_PP_OR(IS_UNSIGNED_CHAR(x), ...
>
>
> But wouldn't it be more appropriate to do that at the type level so you
> can take into account typedefs?
>
Yes, but for the challange and the learning experience
I'm trying to do it just using the preprocessor.