Functional Programming For Dummies Site

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

: 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). 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