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Learn C# Programming

You're reading from   Learn C# Programming A guide to building a solid foundation in C# language for writing efficient programs

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Product type Paperback
Published in Apr 2020
Publisher Packt
ISBN-13 9781789805864
Length 636 pages
Edition 1st Edition
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Authors (4):
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Raffaele Rialdi Raffaele Rialdi
Author Profile Icon Raffaele Rialdi
Raffaele Rialdi
Ankit Sharma Ankit Sharma
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Ankit Sharma
Prakash Tripathi Prakash Tripathi
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Prakash Tripathi
Marius Bancila Marius Bancila
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Marius Bancila
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Toc

Table of Contents (20) Chapters Close

Preface 1. Chapter 1: Starting with the Building Blocks of C# 2. Chapter 2: Data Types and Operators FREE CHAPTER 3. Chapter 3: Control Statements and Exceptions 4. Chapter 4: Understanding the Various User-Defined Types 5. Chapter 5: Object-Oriented Programming in C# 6. Chapter 6: Generics 7. Chapter 7: Collections 8. Chapter 8: Advanced Topics 9. Chapter 9: Resource Management 10. Chapter 10: Lambdas, LINQ, and Functional Programming 11. Chapter 11: Reflection and Dynamic Programming 12. Chapter 12: Multithreading and Asynchronous Programming 13. Chapter 13: Files, Streams, and Serialization 14. Chapter 14: Error Handling 15. Chapter 15: New Features of C# 8 16. Chapter 16: C# in Action with .NET Core 3 17. Chapter 17: Unit Testing 18. Assessments 19. Other Books You May Enjoy

Tuples

Tuples are simple types with a lightweight syntax that can typically be used when you want to return multiple values from a function without defining an explicit type or without using out or ref parameters or when you want to pass multiple values to a method as a single object.

This aspect represents the key difference between anonymous types and tuples. The former is meant for use within the scope of a single method and cannot be passed as an argument or returned from a method. The latter are intended for this exact purpose.

In C#, there are two kinds of tuples:

  • Reference tuples, represented by the System.Tuple class
  • Value tuples, represented by the System.ValueTuple structure

In the next subsection, we will look at both of these types.

The Tuple class

Reference tuples were introduced in .NET Framework 4.0. The generic class, System.Tuple, can hold up to eight values of different types. Should you need tuples with more than eight values, you...

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