Re: [boost] [mpl] mpl::is_sequence problem

9 Jan 2006

      Hi,

I hope this post did not go unnoticed. Thanks!

Joel de Guzman wrote:
...
Hi,
A few months ago, I had a problem with mpl::is_sequence. It seems
that the problem is not yet fixed. Anyway, to simplify, here's
the code that exhibits the problem:
#include <boost/mpl/is_sequence.hpp>
int
     main()
     {
         bool r = boost::mpl::is_sequence<boost::mpl::int_<0> >::value;
         return 0;
     }
The code does not compile on all compilers that I use regularly
(VC++, g++ and Comeau). Here's a another code that does not compile:
#include <boost/mpl/is_sequence.hpp>
struct x
     {
         typedef int tag;
     };
int
     main()
     {
         bool r = boost::mpl::is_sequence<x>::value;
         return 0;
     }
Is there any chance for this to be fixed in the immediate future?
I rely on mpl::is_sequence for constrained genericity and concept
checking in fusion.
Regards,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net