[Haskell-cafe] Strict evaluation not working?
Christian.Hofer at gmx.de
Tue Oct 12 12:07:43 EDT 2004
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:
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
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