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Metaprogramming in C#

You're reading from   Metaprogramming in C# Automate your .NET development and simplify overcomplicated code

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Product type Paperback
Published in Jun 2023
Publisher Packt
ISBN-13 9781837635429
Length 352 pages
Edition 1st Edition
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Author (1):
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Einar Ingerbrigsten Einar Ingerbrigsten
Author Profile Icon Einar Ingerbrigsten
Einar Ingerbrigsten
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Table of Contents (25) Chapters Close

Preface 1. Part 1:Why Metaprogramming?
2. Chapter 1: How Can Metaprogramming Benefit You? FREE CHAPTER 3. Chapter 2: Metaprogramming Concepts 4. Chapter 3: Demystifying through Existing Real-World Examples 5. Part 2:Leveraging the Runtime
6. Chapter 4: Reasoning about Types Using Reflection 7. Chapter 5: Leveraging Attributes 8. Chapter 6: Dynamic Proxy Generation 9. Chapter 7: Reasoning about Expressions 10. Chapter 8: Building and Executing Expressions 11. Chapter 9: Taking Advantage of the Dynamic Language Runtime 12. Part 3:Increasing Productivity, Consistency, and Quality
13. Chapter 10: Convention over Configuration 14. Chapter 11: Applying the Open-Closed Principle 15. Chapter 12: Go Beyond Inheritance 16. Chapter 13: Applying Cross-Cutting Concerns 17. Chapter 14: Aspect-Oriented Programming 18. Part 4:Compiler Magic Using Roslyn
19. Chapter 15: Roslyn Compiler Extensions 20. Chapter 16: Generating Code 21. Chapter 17: Static Code Analysis 22. Chapter 18: Caveats and Final Words 23. Index 24. Other Books You May Enjoy

Virtual members and overrides

From my own experience, generating new types from scratch that didn’t exist at compile time is not the most common use case. I’ve found myself, more often than not, just wanting to automate something that I find tedious and forced upon me from libraries that I have to use.

When that is the case, it is common to take a type and create a new one that inherits from this and then starts overriding behavior.

Since C# doesn’t have all its members as virtual, as the case is with Java, members have to be explicitly virtual. An example of a method that is virtual is one that all objects inherit – the ToString method.

Let’s continue the work on the MyTypeGenerator code by adding an override of the ToString method, just to see the mechanics of how it is done:

  1. In the Generate method of the MyTypeGenerator class, before you return the type, you need to define a new method that will be the MyType implementation of...
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