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Comments on post "Composing Future, List and Either" #38

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pbassiner opened this issue Jun 12, 2017 · 2 comments

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Composing_Future._List_and_Either

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pbassiner commented Jun 12, 2017

Here you can leave your comments about the blogpost https://pbassiner.github.io/blog/composing_future,_list_and_either.html

pbassiner added the Composing_Future._List_and_Either label

asarkar commented Dec 2, 2017

I'm trying to find an example for Cats EitherT.collectRight. I've a EitherT[Future, String, Event] and when I do collectRight, I get

Error:(79, 18) could not find implicit value for parameter FA: cats.Alternative[scala.concurrent.Future]
            elem.collectRight

I've an implicit ExecutionContext in scope, so this FAQ doesn't apply.

Owner Author

pbassiner commented Dec 4, 2017

Hi @asarkar,
I haven't used EitherT.collectRight so far. I would advise to ask in the cats gitter channel, someone there will be able to help you.

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