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Functional C#

You're reading from   Functional C# Uncover the secrets of functional programming using C# and change the way you approach your applications

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Product type Paperback
Published in Dec 2016
Publisher Packt
ISBN-13 9781785282225
Length 370 pages
Edition 1st Edition
Languages
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Author (1):
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Wisnu Anggoro Wisnu Anggoro
Author Profile Icon Wisnu Anggoro
Wisnu Anggoro
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Table of Contents (12) Chapters Close

Preface 1. Tasting Functional Style in C# 2. Walkthrough Delegates FREE CHAPTER 3. Expressing Anonymous Methods with Lambda Expressions 4. Extending Object Functionality with Extension Methods 5. Querying Any Collection Easily with LINQ 6. Enhancing the Responsiveness of the Functional Program with Asynchronous Programming 7. Learning Recursion 8. Optimizing the Code using Laziness and Caching Techniques 9. Working with Pattern 10. Taking an Action in C# Functional Programming 11. Coding Best Practice and Testing the Functional Code

Summary


Pattern matching is a form of dispatch to choose the correct variant of functions to be called. In other words, its concept is close to the if conditional expression because we have to decide the correct selection by providing specific input. The matching process can be simplified to make it implement a functional approach. We discussed the switch case and then refactored it using LINQ so it became functional.

We learned the definition of monad itself: a type that uses the Monad pattern, which is a design pattern for types. In C#, there are some types that have implemented Monad naturally; they are Nullable<T>, IEnumerable<T>, Func<T>, Lazy<T>, and Task<T>.

For now, we have enough knowledge about functional programming in C#. In the next chapter, we will use everything you learned in this and previous chapters to develop an application that implements a functional approach. In the upcoming chapter, we will transform imperative code into functional code...

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