The article you've summarized provides a comprehensive list of C# features and best practices that can significantly improve the quality, readability, and performance of your code. Here's a structured breakdown of the key points:
Introduction
- Purpose: To highlight lesser-known but highly beneficial features in C#.
- Impact: These small changes can lead to cleaner, faster, and more maintainable code.
Basic Improvements
- File-Scope Namespaces
- Use
namespace MyApp;at the top of a file instead of wrapping all content inside a namespace block.
- Use
- Global Usings
- Add commonly used namespaces in a global using directive to reduce redundancy and improve readability.
- CallerArgumentExpression Attribute
- Utilize this attribute for debugging purposes to get the expression that was passed as an argument.
Object-Oriented Enhancements
- Default Interface Methods
- Define default implementations for methods within interfaces, allowing derived classes to override them if needed.
- Required Attributes
- Use
requiredon properties or parameters to ensure they are always initialized before use, enhancing type safety and preventing null reference exceptions.
- Use
Performance Optimizations
- **Span<T>
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