[Haskell-beginners] Talking betwean the parsers.

[Maciej Piechotka]

I have a data structure of 
data Monad m => NntpConnection m = NntpConnection {
	input :: ByteString,
	output :: ByteString -> m ()
    }

I'd like to create echo structure such that the goes to output is going
to (lazy) input. For sure it is possible to use network and IO monad -
is is possible to do it purely?

Regards
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