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Functional Programming with C#

Functional Programming with C#

By : Alex Yagur
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Functional Programming with C#

Functional Programming with C#

By: Alex Yagur

Overview of this book

In an era where software complexity is increasing by the day, functional programming offers a paradigm that simplifies code maintenance and enhances reliability. Functional Programming with C# takes you on an exhaustive journey into functional programming within C#. The book familiarizes you with the core principles and benefits of functional programming, juxtaposing it with imperative and object-oriented paradigms. You’ll get to grips with the functional features of C# and learn to write expressive, modular code through expressions, pure functions, and higher-order functions. As you advance, you’ll explore advanced concepts such as error handling and asynchronous programming, which will equip you with the practical skills that you need to tackle real-world challenges. By comparing functional programming in C# with other languages and providing additional resources, this book ensures that you’re well-equipped to continue your journey toward mastery in functional programming. By the end of this book, you’ll have gained a thorough understanding of functional programming techniques, such as recursion, memoization, and composition, empowering you to write robust, maintainable code.
Table of Contents (18 chapters)
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1
Part 1:Foundations of Functional Programming in C#
6
Part 2:Advanced Functional Techniques
10
Part 3:Practical Functional Programming
14
Part 4:Conclusion and Future Directions

A summary of the main concepts and techniques

We started with the basics — expressions, statements, and understanding what makes a function “pure.” We learned how to write clear, easy-to-read code without side effects.

Next, we looked at handling errors in a functional way. We saw how using types such as Result and methods such as Railway Oriented Programming can help us write strong, error-resistant code without using exceptions.

We then moved on to higher-order functions and delegates. These tools let us treat functions as first-class citizens, which helps us write more abstract and reusable code.

We also covered functors and monads, breaking down these complex ideas to show how they can help manage complexity in our programs.

Recursion and tail calls were another important topic. We learned how to think about problems in a recursive way and how to optimize these recursive functions.

Currying and partial application taught us how to make more specialized...

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