RosettaCodeData/Task/Pascals-triangle/Haskell/pascals-triangle-10.hs

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Haskell
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2024-11-04 20:28:54 -08:00
fac = product . enumFromTo 1
binCoef n k = fac n `div` (fac k * fac (n - k))
pascal = ((fmap . binCoef) <*> enumFromTo 0) . pred