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sroccaserra/Main.hs

Last active November 25, 2020 07:50
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Read lines from file lazily in Haskell
Raw
README.md 
$ echo -e '1 2 3\n4 5 6' | runhaskell Main.hs
[[1,2,3],[4,5,6]]
Raw
Main.hs
main = do
lines <- fmap lines getContents
print $ process lines
process :: [String] -> [[Int]]
process = map processLine
processLine :: String -> [Int]
processLine = map read . words
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