Haskell: getChar: Read character

getChar functions reads a character from standard input device.

*Main> :t getChar

getChar :: IO Char

Sample.hs

main = do
        putStrLn "Enter (M) If you are male, else (F) "
        gender <- getChar
        putChar gender

$ ghc Sample.hs
Linking Sample ...
$ ./Sample
Enter (M) If you are male, else (F) 
M
M

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