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Add Cogen instances #90

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nigredo-tori opened this issue Feb 20, 2020 · 0 comments
Open

Add Cogen instances #90

nigredo-tori opened this issue Feb 20, 2020 · 0 comments
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enhancement New feature or request help wanted Extra attention is needed

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@nigredo-tori
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nigredo-tori commented Feb 20, 2020 •
edited

These shouldn't be hard to implement - all we need is a conversion to some concrete representation. For example, for LocalDate we can use Cogen[Long].contramap(_.toEpochDay).

As for the motivation, cats makes extensive use of Cogens in cats-laws.
@fedefernandez fedefernandez added help wanted Extra attention is needed enhancement New feature or request labels Feb 20, 2020
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@fedefernandez @nigredo-tori