[Haskell-cafe] Animas/Yampa: ArrowChoice?

[Ertugrul Soeylemez]

Hello all,

I really like the way Animas (fork of Yampa) represents reactive
systems, and I would love to write some of my simulations using it.
Unfortunately most of what I want to do requires dynamic systems, which
can be boiled down to me believing to need an ArrowChoice instance for
the SF arrow, because I have to choose between different signal paths
depending on the input signal or events.

Animas appears to be only suitable for robot-like systems with specific,
predefined actors.

Is there anything I can do about it?  Is it difficult to write the
ArrowChoice instance?  Or is there a different solution, which I
overlooked?


Greets,
Ertugrul


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