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Refactoring with C#

You're reading from   Refactoring with C# Safely improve .NET applications and pay down technical debt with Visual Studio, .NET 8, and C# 12

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Product type Paperback
Published in Nov 2023
Publisher
ISBN-13 9781835089989
Length 434 pages
Edition 1st Edition
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Author (1):
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Matt Eland Matt Eland
Author Profile Icon Matt Eland
Matt Eland
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Table of Contents (24) Chapters Close

Preface 1. Part 1: Refactoring with C# in Visual Studio FREE CHAPTER
2. Chapter 1: Technical Debt, Code Smells, and Refactoring 3. Chapter 2: Introduction to Refactoring 4. Chapter 3: Refactoring Code Flow and Iteration 5. Chapter 4: Refactoring at the Method Level 6. Chapter 5: Object-Oriented Refactoring 7. Part 2: Refactoring Safely
8. Chapter 6: Unit Testing 9. Chapter 7: Test-Driven Development 10. Chapter 8: Avoiding Code Anti-Patterns with SOLID 11. Chapter 9: Advanced Unit Testing 12. Chapter 10: Defensive Coding Techniques 13. Part 3: Advanced Refactoring with AI and Code Analysis
14. Chapter 11: AI-Assisted Refactoring with GitHub Copilot 15. Chapter 12: Code Analysis in Visual Studio 16. Chapter 13: Creating a Roslyn Analyzer 17. Chapter 14: Refactoring Code with Roslyn Analyzers 18. Part 4: Refactoring in the Enterprise
19. Chapter 15: Communicating Technical Debt 20. Chapter 16: Adopting Code Standards 21. Chapter 17: Agile Refactoring 22. Index 23. Other Books You May Enjoy

Performing code analysis in Visual Studio

Microsoft knows that as C# and .NET changes, it can be very difficult to keep up with evolving standards in a broad and changing language.

To address this, Microsoft gave us tools beyond code metrics in the form of analyzers that inspect our C# code for issues. These analyzers look at our code and flag potential issues and optimizations. This helps ensure our code complies with standards and is secure, reliable, and maintainable.

Analyzing your solution using the default ruleset

To see an analyzer in action, build this chapter’s solution in Visual Studio and notice the three warnings that appear in the Output pane, as shown in Figure 12.4:

Figure 12.4 – An overview of the build results showing warnings

Figure 12.4 – An overview of the build results showing warnings

These three lines represent separate compiler warnings for the CS8618 code analysis rule, which we’ll look at shortly.

Before we do that, click on the View menu and then select Error...

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