Functional Programming For Dummies May 2026

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

If you want to write code like a functional programmer, you need to follow these basic rules: Functional Programming For Dummies

: 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. Functional programming (FP) is a style of coding

: In FP, functions are treated like any other variable. You can pass them as arguments to other functions or return them as results. Functional Programming For Dummies