Re: [Boost-users] [iterator] joint_iterator?

From: Shunsuke Sogame (mb2act_at_[hidden])
Date: 2006-04-10 16:13:14

David Abrahams wrote:
> Shunsuke Sogame <mb2act_at_[hidden]> writes:
> 
> 
>>Hi gurus,
>>
>>I compared Boost.MPL Views...
>>    http://www.boost.org/libs/mpl/doc/refmanual/views.html
>>with Boost.Iterator adaptors...
>>    http://www.boost.org/libs/iterator/doc/index.html#specialized-adaptors
>>
>>I think joint_iterator seems missing from Boost.Iterator.
> 
> 
> Boost.Iterator isn't meant to include a template for every possible
> iterator.  You can easily build your own joint_iterator using
> iterator_facade or iterator_adaptor. 
> 
> 
>>Is such iterator impossible or prohibited by STL?
> 
> 
> Not at all.

Though I'm not sure it is easy for me, I'm trying.
It seems to need undocumented parts of zip_iterator.
(minimum_traversal_category_in_iterator_tuple)

Thanks!

-- 
Shunsuke Sogame