If you want to write code like a functional programmer, you need to follow these basic rules:
Functional programming (FP) is a style of coding where you treat software as a series of mathematical functions rather than a list of instructions. Instead of telling the computer to do something step-by-step, you describe what you want to happen. The Core Pillars of Functional Programming Functional Programming For Dummies
: You focus on the logic of what needs to be solved rather than the specific control flow (like for or while loops). Why Bother Learning It? If you want to write code like a
: A function is "pure" if it always gives the same output for the same input and has no side effects (it doesn't change anything outside itself, like updating a database). Why Bother Learning It
While it can be a challenging mindset shift, FP offers several major benefits: Fundamentals of functional programming | by Jonas Neumann
: Once you create a piece of data, you never change it. If you need a modified version, you create a whole new copy with the changes.
: In FP, functions are treated like any other variable. You can pass them as arguments to other functions or return them as results.
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