Well you've deleted the portion of the code referring to x and y. listPairs = [(a*b, y) | y <- [0..], a <- [0..], b <- [0..], (a*b) > 5, (a*b) < 500, (y*y) < 1001, mod y (a*b) == 0]
This will still never terminate however. On Tue, May 14, 2013 at 10:17 AM, John <knowledge1...@gmail.com> wrote: > thanks to both! > > listPairs = [(a*b, y) | a <- [0..], b <- [0..], (a*b) > 5, (a*b) < 500, > (y*y) < 1001, mod y x == 0] > > Now I have it as you said, however the compiler complains about all y and x > and says they are NOT in scope. > > Why is it so? I can't see any problem with that... > > > > > -- > View this message in context: > http://haskell.1045720.n5.nabble.com/list-comprehension-doesn-t-work-tp5730158p5730161.html > Sent from the Haskell - Haskell-Cafe mailing list archive at Nabble.com. > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > -- Danny Gratzer
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