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Made MonadPlus for Set #496

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japgolly wants to merge 1 commit into scalaz:scalaz-seven from japgolly:set_monad

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japgolly commented Aug 28, 2013

I tried to use Functor[Set].xxx and realised that there was no typeclass instance. This patch makes Set a MonadPlus.


          Made MonadPlus for Set

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xuwei-k commented Aug 28, 2013

Set is not a Functor.
see #276 and http://failex.blogspot.jp/2013/06/fake-theorems-for-free.html

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japgolly commented Aug 29, 2013

Ahh, I see I see, naruhodo!
That's subtle, I didn't think of that. Thanks for the link!

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