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From: Doug Gregor (dgregor_at_[hidden])
Date: 2008-01-10 16:43:44

On Jan 10, 2008, at 3:40 PM, Michael Fawcett wrote:
> My questions are - when creating your own library, when do you choose
> nested typedefs over a traits class,


> and what effects does it have on
> a library user, both from a usability and extensibility point of view.
> What questions do you ask yourself to come to a decision?

Traits classes are far better than nested typedefs, because one can
always specialize a traits class for an existing type---even if you
can't modify the type because it is built-in or comes from another
library that you can't modify.

        - Doug

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