12 lines
241 B
Haskell
12 lines
241 B
Haskell
{-# LANGUAGE LambdaCase #-}
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module Main where
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import Sudoku
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import System.Environment (getArgs)
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main :: IO ()
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main = getArgs >>= \case
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[filename] -> readFile filename >>= print . parseStringToGrid
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_ -> error "Usage: Estinen filename"
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