What is lazy evaluation in Haskell?
Lazy evaluation is a programming technique where expressions are not evaluated until their values are needed.
Can you give me an example of lazy evaluation in action?
Sure! In Haskell, if you define an infinite list, like evens = [0, 2..]
, it won't compute all values at once. It generates them on demand.
What are the benefits of using lazy evaluation?
Benefits include improved performance by avoiding unnecessary calculations and the ability to work with infinite data structures.
Are there any downsides to lazy evaluation?
Yes, it can lead to increased memory usage and potential performance issues if not managed properly.
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