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by mrkeen
131 days ago
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TIL about Monofunctor. Pretty nifty. It's for cases where your type is a container of something (as opposed to anything). I.E. you can .map (or .Select if you're .NET-inclined) over the Chars in a String, but not some other type, because String can't hold another type. https://hackage.haskell.org/package/mono-traversable-1.0.21.... |
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