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cleanup

master
Wesley Kerfoot 3 years ago
committed by GitHub
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7f5c2eaead
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  1. 4
      sorted_digits.hs

4
sorted_digits.hs

@ -3,10 +3,10 @@ import Data.List
digits :: Int -> [Int]
digits n = unfoldr nextDigit n where
nextDigit 0 = Nothing
nextDigit c = Just $ (c `mod` 10, c `div` 10)
nextDigit c = Just (c `mod` 10, c `div` 10)
isSorted :: Int -> Bool
isSorted n = (all (uncurry (<=)) ds') || (all (uncurry (>=)) ds'')
isSorted n = all (uncurry (<=)) ds' || all (uncurry (>=)) ds''
where ds = digits n
ds' = zip ds (maxBound : ds)
ds'' = zip ds (minBound : ds)

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