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Functional Programming in Kotlin: From Basics to Advanced Techniques
Functional Programming in Kotlin: From Basics to Advanced Techniques
Summary:
The book "Functional Programming in Kotlin" is a practical guide that will help you master the functional programming (FP) paradigm in the modern Kotlin language. Unlike traditional textbooks, this book focuses on real-world tasks: you will learn to write clean, predictable, and easily testable code using concepts such as data immutability, pure functions, composition, and monads.
Who is this book for?
- Kotlin and Java developers who want to deepen their understanding of the functional style.
- Programmers transitioning from imperative languages (Python, C++, Java) to Kotlin.
- Students and professionals who want to improve the architecture of their projects.
- Anyone interested in modern approaches to software development.
What will you learn from the book?
- FP basics: pure functions, referential transparency, immutability.
- Working with higher-order functions, lambdas, and closures.
- Function composition and currying for creating flexible chains.
- Monads (Option, Either, Try) and their application for error handling.
- Data streams (Sequence) and lazy evaluation.
- Combining OOP and FP in Kotlin: data classes, sealed classes, extension functions.
- Testing functional code and dealing with side effects.
Why should you read this book?
- All examples are written in Kotlin — no abstract languages.
- Step-by-step exercises and ready-made projects (JSON parser, expression calculator).
- Tips on performance and code readability.
- Comparison with the imperative style — you will see the difference in practice.
The book is suitable for both beginners and experienced developers. Start with simple examples and gradually move on to complex concepts such as monads and functor transformations. By the end of the book, you will be able to design applications that are easy to maintain and extend.
"Functional Programming in Kotlin" is your key to writing reliable and elegant code. Join the community of developers who have already appreciated the power of FP!