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From: Peter Dimov (pdimov_at_[hidden])
Date: 2004-04-02 12:55:02

David Bergman wrote:
> On the meta level, a trait places a Concept in relation to other
> Concepts, i.e., a trait is STRUCTURAL. On the object-level, a Model
> is related to other Models or Features.
> trait<Type>::neighbor_type - relates two Concepts
> trait<Type>::child_type - adds a Feature
> A policy is BEHAVIORAL. And one often uses policies in a dynamic
> setting, adding them in runtime. We, of course, often implicitly
> refer to the compile-time policies...


In A<X>::frobnicate(), 'A' is a policy, because it's behavioral, and in

template<class B> struct X
    template typename B::value_type value_type;

'B' is a trait, because it's structural?

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