Book Image

Functional Kotlin

Book Image

Functional Kotlin

Overview of this book

Functional programming makes your application faster, improves performance, and increases your productivity. Kotlin supports many of the popular and advanced functional features of functional languages. This book will cover the A-Z of functional programming in Kotlin. This book bridges the language gap for Kotlin developers by showing you how to create and consume functional constructs in Kotlin. We also bridge the domain gap by showing how functional constructs can be applied in business scenarios. We’ll take you through lambdas, pattern matching, immutability, and help you develop a deep understanding of the concepts and practices of functional programming. If you want learn to address problems using Recursion, Koltin has support for it as well. You’ll also learn how to use the funKtionale library to perform currying and lazy programming and more. Finally, you’ll learn functional design patterns and techniques that will make you a better programmer.By the end of the book, you will be more confident in your functional programming skills and will be able to apply them while programming in Kotlin.
Table of Contents (22 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Index

Summary


Arrow provides many datatypes and type classes that reduce significantly complex tasks and provide a standard set of idioms and expressions. In this chapter, we learned how to abstract over null values with Option and to express computations with Either and Try. We created a datatype class, and we also learned about monadic comprehensions and transformations. Last but not least, we used State to represent the application state.

And with this chapter, we reach the final of this journey, but rest assured, this isn't the end of your journey learning functional programming. As we learned in the first chapters, functional programming is all about using functions as building blocks to create complex programs. In the same way, with all the concepts that you learn here, now you can understand and master new, exciting and more powerful ideas. 

Now a new learning journey begins for you.