Re: [boost] [fusion] segmented sequences [ was Re: [fusion] ftag ]

From: Andy Little (andy_at_[hidden])
Date: 2006-09-25 20:34:33

"Joel de Guzman" <joel_at_[hidden]> wrote in message 
news:ef9nr3$q38$1_at_sea.gmane.org...
> Joel de Guzman wrote:
>> Andy Little wrote:
>>
>>> OK.  FWIW I found that  creating a sequence by  pushing_back result_types to 
>>> an
>>> empty vector is a great way to 'create' a result sequence at compile time. 
>>> It
>>> kind of creates something out of nothing.
>
> Oh, and BTW, have you considered using fusion::cons? If you are doing
> lots of sequence building, then cons is a very viable option. For
> example, with expression templates, cons can build the ET tree
> more efficiently than push_back/vector.

Funnily enough I hadnt thought about it. looking at the docs, both list and cons 
might be better for constructing the sequence and less compile expensive maybe.

Will add it to the things to try list :-)

regards
Andy Little