[Boost-users] Re: Problems with boost::variant

From: David Abrahams (dave_at_[hidden])
Date: 2004-11-16 09:49:44

Alex Drummond <a.drummond_at_[hidden]> writes:

> Hi,
>
> I'm using boost 1.31.0 and I'm having some trouble using type sequences with 
> boost::variant. There seems to be an arbitrary limit on their length. For 
> example, the following code compiles:

I'm pretty sure that's an MPL limitation.  If you want to build a
vector of more than 10 elements, you need to

   #include <boost/mpl/vector20.hpp>

or if you need more than 20 elements,

   #include <boost/mpl/vector30.hpp>

etc.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com