[boost] Re: Policy or Trait?

From: David Abrahams (dave_at_[hidden])
Date: 2004-04-02 15:02:03

"David B. Held" <dheld_at_[hidden]> writes:

> Ah, and here I think is the sticking point.  I think we are thinking of
> traits and policies as complements/duals of each other.  That is
> certainly a natural way for brains to dichotomize things.  But, after
> writing my definitions and seeing more discussion, I am led to the
> conclusion that traits and policies are fundamentally different things.
>
> That is, I claim that "traitness" is a property of a *type*, but

std::iterator_traits is not a type.  Don't you mean a *class
template*?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com