Re: [boost] [units] Crazy idea/question

From: Steven Watanabe (steven_at_[hidden])
Date: 2007-02-19 18:29:43

AMDG

Matthias Schabel <boost <at> schabel-family.org> writes:

> 
> There seems to be a problem with this, actually : what if I want  
> replicate
> tags in different systems?
> 
> typedef heterogeneous_system<
> 	mpl::map<
> 		mpl::pair<length_tag,SI::system>,
> 		mpl::pair<length_tag,CGS::system> > >
> 
> Then the mpl::at becomes a problem, I believe...
> 

For this case we need to make the system store
basically all the information that we were putting
into the dimension list.  I think this solution to be
better because overloading by dimension is
easy and the extra work would probably have to
be done anyway.

In Christ,
Steven Watanabe