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  1.     ask :: String -> IO String
  2.     ask s = putStrLn s >> getLine
  3.  
  4.  
  5.     f :: IO String
  6.     f =
  7.       ask "What's your name ?" >>= \name ->
  8.       putStrLn "Write something." >>= \_ ->
  9.       getLine >>= \string ->
  10.       putStrLn ("Hello " ++ name ++ " you wrote " ++ string) >>= \_ ->
  11.       return name
  12.  
  13.     g :: IO String    
  14.     g = do
  15.       name <- ask "What's your name ?"
  16.       putStrLn "Write something."
  17.       string <- getLine
  18.       putStrLn ("Hello " ++ name ++ " you wrote " ++ string)
  19.       return name
  20.  
  21.     -- main = f
  22.     main = g
  23.  
Success #stdin #stdout 0s 5696KB
comments (?)
stdin
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MyName
Something!
stdout
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What's your name ?
Write something.
Hello MyName you wrote Something!
https://ideone.com/v9BqiZ
language:
Haskell (ghc 8.4.4)
created:
10 years ago
visibility:
secret

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