Hi,

having found a bit of time to play with Haskell, I am trying to figure out how to enforce strict evaluation.
I wrote the following program:


main =
        let x = zipWith (+) [5..] [6..]
        in putStrLn $ show $ x `seq` head x

I expected this program not to terminate - because of the seq-Operator, but it happily returns 11 in ghc as well as in ghci. What do I make wrong?

Chris

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