Neal Becker wrote:
Good to bring this up. Note that we've discussed this before (and I posted sample code).
I haven't seen your code yet, but you mention functors must derive from some base class. That's not desirable - and I doubt it's required.
I would go so far as to say that it is unacceptable for a serious library. Every extra requirement on client code that isn't absolutely necessary will dramatically reduce the potential userbase of your code unless it brings with it a set of stong benefits. And I think that you'll be hard pressed to show that this inheritance requirement brings ANY benefits, much less compelling ones. That said, I would really love to see a library like this in boost, and I encourage Franck to push forward with development.
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