Map, Filter, Reduce: The Enum Module is Your New Best Friend

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Coming from other languages, you might be used to writing loops. Lots of loops. for loops, while loops, forEach . They’re everywhere. Elixir has a different philosophy. Instead of telling the computer how to iterate, you describe what you want to happen to each element. The Enum module is where this magic lives, and mastering it will fundamentally change how you think about data processing.…

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