[Haskell-cafe] GHC TV station?

[Sylvester]

strlen in Hutton 2ed 10.5 Derived primitives => run on Windows 7 Haskell
Platform 8.2.2
strlen :: IO ()
strlen = do  putStr "Enter a string: " 
                   xs <-  getLine 
                   putStr "The string has " 
                   putStr (show (length xs)) 
                   putStr " characters" 
===================================================
GHCi, version 8.2.2: http://www.haskell.org/ghc/  :? for help
[1 of 1] Compiling Main             ( C:\strlen.WhiteSpaced.hs, interpreted
)

C:\strlen.WhiteSpaced.hs:2:14: error:
    Parse error in pattern: putStr
    Possibly caused by a missing 'do'?
  |
2 | strlen = do  putStr "Enter a string: "
  |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^...
Failed, no modules loaded.
Prelude>
==================================================
strlen :: IO ()
strlen = do {putStr "Enter a string: ";
                   xs <-  getLine;
                   putStr "The string has ";
                   putStr (show (length xs));
                   putStr " characters"}
=================================================
GHCi, version 8.2.2: http://www.haskell.org/ghc/  :? for help
[1 of 1] Compiling Main             ( C:\strlen.Bracesed.hs, interpreted )
Ok, one module loaded.
*Main>



--
Sent from: http://haskell.1045720.n5.nabble.com/Haskell-Haskell-Cafe-f3074699.html