Yeah. I'm kinda thinking about writing a blog post about that project, because I kinda like how it turns out.
Imo, the method I described to me is mostly reasonable to implement closed and fairly complete domain objects. In this case, understanding the protocol is more akin to understanding the concept from the problem domain, and the implementing classes are different cases or states the thing can be in. In your image, I'd compare the main thing I use this for as fuses. Simple, encapsulated and fulfilling a purpose - just implemented in different ways depending on the context.
On the other hand, if you're dealing with implementing a flow chart, I've grown to very much like a decently structured imperative function - supported by these smaller objects.
Imo, the method I described to me is mostly reasonable to implement closed and fairly complete domain objects. In this case, understanding the protocol is more akin to understanding the concept from the problem domain, and the implementing classes are different cases or states the thing can be in. In your image, I'd compare the main thing I use this for as fuses. Simple, encapsulated and fulfilling a purpose - just implemented in different ways depending on the context.
On the other hand, if you're dealing with implementing a flow chart, I've grown to very much like a decently structured imperative function - supported by these smaller objects.