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mc24.hs:10:31: error:
• Couldn't match type: [a1]
with: a -> a0
Expected: (a -> a0) -> [a] -> m [a]
Actual: [a1] -> [a1]
• Possible cause: ‘take’ is applied to too many arguments
In the expression: take 2
In a stmt of a monad comprehension: then group by x using take 2
In the expression:
[GHC.List.length x | x <- [1 .. 10], then group by x using take 2]
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