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Functional programming is a tool. It's a really powerful tool. Knowing really powerful tools helps you solve really difficult problems.

Whether it's Haskell or some other purely functional language, I'm of the opinion that every programmer should have one in their toolset.




It's more than a tool, it's a different programming paradigm. It helps you to look at something in a different way. You can pick up a thing or two that are useful pracitices in other imperative programming languages, too.




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