Introduction

Functions are the building blocks of any code. They help make our programs more modular, secure, and easy to understand. Functions are crucial in object-oriented programming as they play an important role in abstraction and encapsulation (two very important design principles). Kotlin brings a lot of updates to the way we use functions. It makes functional programming easier with the help of chaining and lambdas. In this chapter, we will learn recipes that will help us work with functions. So let's get started!