10 lines
214 B
Haskell
10 lines
214 B
Haskell
module Day6 (lines') where
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lines' = joinLines . lines
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joinLines = foldl parse [[]]
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where
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parse [[]] s = [[s]]
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parse [a] "" = [[], a]
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parse [a] s = [a ++ [s]]
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parse (a:as) s = parse [a] s ++ as
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