17 lines
313 B
Haskell
17 lines
313 B
Haskell
module Main where
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import System.Environment (getArgs)
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greeting :: String -> String
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greeting name = "hello, " ++ name ++ ", from Haskell and Nix"
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main :: IO ()
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main = do
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args <- getArgs
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let name =
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case args of
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[] -> "learner"
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firstArg : _ -> firstArg
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putStrLn (greeting name)
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