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Add Semigroupal typeclass #882

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ersin-ertan opened this issue Jun 11, 2018 · 2 comments · Fixed by #1280
Closed

Add Semigroupal typeclass #882

ersin-ertan opened this issue Jun 11, 2018 · 2 comments · Fixed by #1280

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@ersin-ertan
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A typeclass that allows combining independent contexts of F<A> and F<B>
Using Semigroupal<F> you form F<Tuple2<A,B>>
The primary method is: fun <A,B>product(fa:F<A>, fb:F<B>):F<Tuple2<A,B>>

P.S. using Tuple2 instead of Pair right?
@BranislavLazic
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BranislavLazic commented Jul 22, 2018 •
edited

What's the state of this issue?
Also, I think that correct signature of product method should be:
fun <A, B> Kind<F, A>.product(fb: Kind<F, B>): Kind<F, Tuple2<A, B>>

@ersin-ertan
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The state is no assignees, please feel free. Yes I believe so, in Arrow the Kind extension method will be used.

@juliankotrba juliankotrba mentioned this issue Feb 5, 2019
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Add Semigroupal type class juliankotrba/arrow
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@BranislavLazic @ersin-ertan