Re: [Haskell-cafe] Lifting IO actions into Applicatives

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Daniil Frumin writes:

Isn't it the case that there could be more than one natural transformation between functors?

Yes, I imagine there would have to be some newtype wrappers to distinguish in those cases. -- John Wiegley FP Complete Haskell tools, training and consulting http://fpcomplete.com johnw on #haskell/irc.freenode.net