Re: [Boost-users] a few boost.View questions

From: abir basak (abirbasak_at_[hidden])
Date: 2007-05-14 09:56:18

shunsuke wrote:
> abir basak wrote:
> 
>> A few questions regarding boost View library (from sandbox)
>> 1) is it an accepted library ? if not when it will be accepted ?
> 
> A few weeks ago, Boost.Range seems to officially start a project for views.
> 

Thanks for the information.
Can you give me a pointer about how to implement a composite_view ?
It should have the functionality like,
1) iterates over a single container (single container view rather than 
multi container view)
2) it is a view composed of 2 or more different kind of views,for e.g , 
I want a view of (2-120 , a range_view) and (133, 145, 148 , an 
index_view/ permutation_view ), and one will be able to iterate over 
theme seamlessly without having trouble to go through the underlying 
container.
  I have all of the different views already written, but unable to club 
them together to make a composite_view (I am thinking whether boost::any 
  or tuple can make this happen)
BTW, for permutation_view I cant make use of boost::permutation_iterator 
, because it is not converting a non-const iterator to const one , as 
the friend conversion is not defined. I need to add the line to make my 
permutation_view const corrected.

Thanks

-- 
Abir Basak, Member IEEE
Software Engineer, Read Ink Technologies
B. Tech, IIT Kharagpur
email: abir_at_[hidden]
homepage: www.abirbasak.com