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Last active August 29, 2015 14:10
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Lazy Evaluation
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lazy-evaluation
Prelude> let ones = 1 : ones
Prelude> take 3 ones
[1,1,1]
Prelude> let lessThan x y = y < x
Prelude> takeWhile (lessThan 5) [1..]
[1,2,3,4]
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