Re: [boost] [fusion] Support for classic boost::tuple

From: Joel de Guzman (joel_at_[hidden])
Date: 2006-09-26 21:26:57

Joel de Guzman wrote:
> David Abrahams wrote:
>> Joel de Guzman <joel_at_[hidden]> writes:
>>
>>> Hi,
>>>
>>> Ok, as promised. Support for classic boost::tuple has been added.
>>> Now yer ole boost tuples are full fusion citizens. Now boost::tuple
>>> can do for_each, transform, fold, find, assign/convert to other
>>> fusion sequences, etc.
>>>
>>> Now there are 3 adapted sequences:
>>> 1) std::pair
>> This one is going to cause me issues.  I'm writing a unified library
>> to operate on static and dynamic sequences.  Here's the
>> issue:  is 
>>
>>    pair<int*,int*>
>>
>> a dynamic sequence that goes from the first pointer to the 2nd (as in
>> Boost.Range), or a static sequence with 2 elements (a la Fusion)?
> 
> Both? I think, in as much as boost::array<int> is a dynamic
> sequence that STL algorithms can operate on, and at the same
> time, is also a static sequence fusion algorithms can handle,
> the same should be true for mono-sequences like pair<int*,int*>.

Oh and BTW, such a unified library is a *cool* idea! It will
finally complete the landscape from fully static (MPL) to
fully dynamic (STL).

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