[boost] Re: Re: Policy or Trait?

From: Andy Little (andy_at_[hidden])
Date: 2004-04-05 15:04:31

"Rob Stewart" <stewart_at_[hidden]> wrote in message
news:200404051344.i35Diq626463_at_entwistle.systems.susq.com...

[analysis snipped]

Yes to the above analysis :-)

> The distinction provides some clarity when using the phrases
> "traits class" or "policy class."  When someone says "policy
> class," you immediately know that they mean something passed as a
> template argument or the template parameter used within the
> template to effect behavioral changes.  When someone says "traits
> class," you immediately know that they mean something
> customizable for each distinct type, but not for each template
> wishing to use it.  Those are quite different things and
> disambiguiating them via different names is sensible.

And yes :-)

BTW the thread has clarified a lot regarding policies and traits for me....
well worthwhile

regards
Andy Little