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Add ArrowChoice #2067

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stephen-lazaro opened this issue Dec 6, 2017 · 3 comments
Closed

Add ArrowChoice #2067

stephen-lazaro opened this issue Dec 6, 2017 · 3 comments

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@stephen-lazaro
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stephen-lazaro commented Dec 6, 2017

Would something like the ArrowChoice typeclass from https://hackage.haskell.org/package/base-4.10.1.0/docs/Control-Arrow.html#t:ArrowChoice be of interest in cats.arrow?
Every Kleisli arrow is an instance for monads, and I have an application that is not strictly a Kleisli arrow but a sort of wrapped one at my workplace that I contemplated using this for.
I can work on a PR If so.

@stephen-lazaro stephen-lazaro changed the title ArrowChoice Add ArrowChoice Dec 6, 2017
@kailuowang
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Sounds a good addition to me. And we still have time before the Dec 12 deadline (after which we should still be able to add it but won't have the syntax available from cats.implicits._ )

@stephen-lazaro
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Cool, I'll try to cook something up. Thanks Kailuo.

@stephen-lazaro
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Resolved in #2096

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