18 lines
549 B
Haskell
18 lines
549 B
Haskell
module AoC where
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import Text.ParserCombinators.ReadP
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(.:) :: (c -> d) -> (a -> b -> c) -> a -> b -> d
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f .: g = (f .) . g
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infixl 8 .:
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oneCompleteResult :: ReadP a -> String -> Maybe a
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oneCompleteResult p s = case readP_to_S (p <* eof) s of
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[(x, "")] -> Just x
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_ -> Nothing
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runAoC :: (Show r1, Show r2) => (String -> i) -> (i -> r1) -> (i -> r2) -> IO ()
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runAoC inputTransform part1 part2 = do
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contents <- inputTransform <$> getContents
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print $ part1 contents
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print $ part2 contents
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