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io_length.hs

io_length.hs 104 B
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  1. -- Slide 57
    2. 

  2. 

  3. ioLength::IO Int
    4. 

  4. ioLength = do
    5. 

  5. 	x <- getLine
    6. 

  6. 	return (length x)
    7. 

  7. 

  8. main = ioLength >>= print
    9.