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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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Free Chapter
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

Task 3 – Currying permission checks for game features

Curry this function so that it can first accept a userRole and then return another function that takes a feature, determining whether the specified role has access to it:

public bool CheckGameFeatureAccess(UserRoles userRole, GameFeatures feature)
{
    return _gameFeatureManager.HasAccess(userRole, feature);
}

You might think these methods are already optimal, but their simplicity is intentional. These focused tasks let you practice functional programming without distractions. As always, these tasks are just for your self-assessment, and you’re not supposed to solve them easily. So, don’t worry if you have any difficulties with them, and just proceed with reading the chapter. By its end, you’ll tackle these challenges like a pro. Keep that in mind, and I hope you have a happy coding experience!

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