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From: Beman Dawes (bdawes_at_[hidden])
Date: 2002-09-06 15:09:50

At 09:48 AM 9/6/2002, David Cattarin wrote:

> In my approach, I've almost entirely discarded
>inheritance from the framework. The only derivable classes are Action
>and Guard. There are a lot of reasons, but based on my experience, I
>have come to feel that state machines *and* state are just containers.
>Now, I'm new to boost, but I have been learning about template
>metaprograming for the past year. I have taken a quick look at the BGL
>and think that it is a good mechanism for defining state machines. As
>for States, I think it is just a class that holds entry Actions, body
>Actions, and exit Actions. This allows me to reuse Actions in other
>States will very little work. My Actions, are just functors.

I found the above fascinating. Would it be too much to ask you to expand on
it a bit? Particularly how the BGL is used to define a state machine, and
what a state container looks like.



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