Tag: functional programming

What is functional programming?

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Three key concepts comprise the essence of functional programming: first-class functions, pure functions, and immutable data. Together they express a fundamental architectural paradigm on how units of code interact with each other. […]

What is an idempotent function?

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Idempotence is an essential tool in programming. It has many uses, from improving fault tolerance, clarifying code, to writing declarative deployment scripts. It’s important to understand what idempotent means. There are a […]