[boost] Re: review request: container_traits

From: Thorsten Ottosen (nesotto_at_[hidden])
Date: 2003-09-30 22:42:55

Hi Fredrik and Dave,

"David Abrahams" <dave_at_[hidden]> wrote in message
news:uekxyrm8n.fsf_at_boost-consulting.com...
> "Fredrik Blomqvist" <fredrik_blomqvist_at_[hidden]> writes:
>
> > Hi!
> >
> > Looks good! I believe this is a highly needed complement to generic
code.
> >
> > A question though: Have you considered using separated-traits instead?
(see
> > for example the new iterator_traits code by David Abrahams)
> >
> > Like so:
> > container_value<C>::type;
> > container_reference<C>::type;
> > container_difference<C>::type;
> > etc ....
> >
> > Philosofically I'd say this would be more in-line with the Open Closed
> > Principle. (and IIRC David Abrahams also raised the idea of refactoring
> > boost::call_traits into separate traits-classes a while ago.)
>
> Yes, it's important to do it that way for many reasons, not least of
> which is MPL interoperability.

would it be a sin to have both?

-Thorsten