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10 lines
331 B
Haskell
10 lines
331 B
Haskell
module Kata.Deadfish (parse) where
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parse :: String -> [Int]
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parse = snd . foldl exec (0, [])
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where exec (value, output) cmd = case cmd of
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'i' -> (value + 1, output)
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'd' -> (value - 1, output)
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's' -> (value * value, output)
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'o' -> (value, output ++ [value])
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_ -> (value, output)
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