Pure vs Impure Functions in Functional Programming โ€“ What's the Difference?

1 ยท freeCodeCamp.org ยท Aug. 9, 2021, 9:22 p.m.
Pure functions and impure functions are two programming terms you will often see in functional programming. Once core difference between these two types of functions is whether or not they have side effects. In this article, you will learn what side effects are and we'll discuss the differences between pure...