Help with coroutine-based state machines?

[Alan Kennedy]

Yair Chuchem wrote:

> How about this implemetation of your state-machine, without the
> cluttering of the while loops, and as a side effect, without use
> of generators too:

[extremely clear example elided]

> Is there something I'm missing?

No, obviously something I'm missing :-)

Yours is hopefully the sort of solution I would have arrived at
for my original problem if I had really actually thought the problem
all the way through, and designed it myself, rather than go looking
for pre-cooked recipes.

I fully recognise that my design for a state machine could be
considered overblown. I suppose that what fired my enthusiasm was
that during the process of developing my design, I inadvertently
stumbled on the realisation of what coroutines were, which was 
much more fun than state machines ;-)

Thanks also to Neil Schemenauer and Stephen Taschuk for providing
several alternatives which are just as clean as Yairs, and also
don't need coroutines or generators. 

Particularly I have taken on board Stephen's advice re using generators
to avoid the need for state machines, and also that the same
suspend/resume functionality can be implemented by simply having a
yield in the dispatch function.

kind regards,

-- 
alan kennedy
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