Re: [boost] [fusion] More quanfusion

From: Joel de Guzman (joel_at_[hidden])
Date: 2006-09-14 08:11:51

David Abrahams wrote:
> "Andy Little" <andy_at_[hidden]> writes:
> 
>> "David Abrahams" wrote
>>> Joel de Guzman  writes:
>>>
>>>> advance_iterator looks general enough.
>>> What *is* an advance_iterator?
>> FWIW:
>>
>>  fusion::advance_iterator<
>>     Sequence,                      // the sequence to advance over
>>     Stride,                             // number of positions in underlying 
>>                                           //sequence to move on 'next'
>>     StridedPosition,            //  underlying sequence::position *
>>                                           //    Stride + Offset
>>     Offset                             // offset in underlying sequence units
>> The main use is to  return a column in a linear sequence representing a matrix.
> 
> That's a well-known idea already in the literature; it's known as a
> "strided iterator."  Can we use the common terminology?

Yeah, that's one of my review items when I get to it.

Regards,
-- 
Joel de Guzman
http://www.boost-consulting.com
http://spirit.sf.net