Re: [boost] [xint] Performance of fixed-size large integers

Subject: Re: [boost] [xint] Performance of fixed-size large integers
From: Ivan Le Lann (ivan.lelann_at_[hidden])
Date: 2011-03-05 19:19:21

Le samedi 05 mars 2011 à 23:22 +0300, DE a écrit :
> on 05.03.2011 at 15:04
>  Ivan Le Lann wrote :
> 
> > The opposite view also stands: Move will benefit to most C++
> > classes/functions while only those who have designed their classes to
> > use COW can afford not to use Move. Designing a COW class is more
> > complex than a Move enabled one.
> 
> > My KISS understanding of move is that it's telling me: use functional
> > programming style, so that you don't need std::move.
> > Of course, this is not always possible, but I think that this limits the
> > scope of your (valid) point.
> 
> so would it be sufficient for you (and other developers) if there were
> a library which makes using cow for your class easier (if not
> trivial)?

No. I might have failed to express what I meant with "complex". Even

struct foo : cow <foo> {};

can be seen as complex, if you consider implications for foo.

Ivan