[boost] Re: preprocessor puzzle

From: Edward Bishop (dicatna2003_at_[hidden])
Date: 2005-03-20 21:31:53

>>
>>Are you trying to detect 'unsigned char' specifically, or are 
>>you ultimately trying to compare strings of identifiers 
>>(keywords are identifiers here)?
> 

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), ...

> Here's a more robust implementation of the former:
> 

Thanks, that is extremely helpful, especially because
it teaches me more about boost::preprocessor.

All the best,
    Edward