Re: [Boost-users] [fusion] Weird compiler error

From: Joel de Guzman (joel_at_[hidden])
Date: 2007-03-20 12:35:51

Christian Henning wrote:
> Yep, I knew that, even when my code wasn't showing it. ;-) It still
> doesn't compile an my end and I have no idea why. I have removed all
> using namespace directives and still no luck.
> 
> #include <boost/fusion/sequence.hpp>
> 
> int _tmain(int argc, _TCHAR* argv[])
> {
>    typedef boost::fusion::map< boost::fusion::pair<int, char>
>                              , boost::fusion::pair<char, char>
>                              , boost::fusion::pair<double, char>
>                              > mymap;
> 
>    BOOST_MPL_ASSERT(( boost::is_same<
> boost::fusion::result_of::at_key<mymap, int>::type, char&>));
> 
> 	return 0;
> }
> 
> What compiler are you using?

I use VC7.1 and VC8.0 among others. Looks like you are experiencing
a preprocessor problem, but I'm not sure. Try Boost static assert
instead.

Regards,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net