Haskell Lazy Evaluation

Haskell Lazy Evaluation is a core feature where expressions are not evaluated until their results are needed, enabling efficient computation and the ability to work with infinite data structures This non-strict evaluation model helps avoid unnecessary calculations, improving performance and enabling modular program design See more. It allows defining control structures and data flows that would be impossible or inefficient in eager languages. Lazy evaluation also affects memory usage, sometimes requiring careful management to prevent space leaks. Understanding this concept is essential for writing idiomatic and performant Haskell code. It fundamentally changes how you think about program execution in functional programming.

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