RE: [boost] Re: New Iterator Adaptors

From: Hartmut Kaiser (hartmutkaiser_at_[hidden])
Date: 2003-06-11 10:03:31

David Abrahams wrote:

> > Hmmm... You're removed the boost/iterator_adaptors.hpp file 
> > intentionally, right? This makes it even more problematic, because, 
> > there is no chance to circumvent compilation errors.
> 
> There are going to be compilation errors anyway, since the 
> interface is drastically different.

Sure, but I said, that without boost/iterator_adaptors.hpp there is no
way to circumvent them.

> > What about re-introducing the boost/iterator_adaptors.hpp file:
> >
> > #define BOOST_ITERATOR_ADAPTOR_VERSION 0x2000
> > #include <boost/iterator/iterator_adaptor.hpp>
> >
> > This would allow for some version tracking and a smooth 
> migration path 
> > for those libraries, willing to support both, the new _and_ the old 
> > iterator libs. Thought's?
> 
> OK, that seems reasonable.  Libraries can check to see if 
> BOOST_ITERATOR_ADAPTOR_VERSION is defined and use different 
> code in that case.

Fine, looking forward.

Regards Hartmut