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May 2008
- 3 participants
- 2 discussions
I don't know how Haskell should behave on this. Consider this function:
elemOf (x,y) = (x,y) `elem` [ (a,b) | a <- [0..], b <- [0..] ]
If I try to query elemOf (1,1), the interpreter keeps searching and
searching but it never makes it. But if I query elemOf (0,1) (or anything as
long as the first element is 0), it can find it easily. I wonder how Hugs
handles this.
>From my point of view, instead of starting from (1,0), Hugs starts from
(0,0), which will never finish since the limit of the second element is
infinite.
--
View this message in context: http://www.nabble.com/elem-of-infinite-set-of-tuple-tp17268995p17268995.html
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I'm reading some Haskell Tutorial when I arrive at List Difference operator,
which is \\. But when I try on Hugs, it responded: ERROR - Undefined
variable "\\"
--
View this message in context: http://www.nabble.com/Hugs-doesn%27t-know-List-Difference-operator-%28%5C%5…
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