23 essential features of C# 9 - C# 13
Do you still write C# the way you did 7 years ago? Here's how you can easily get up to speed: C# 9 1. Records 2. Init-only setters 3. Top-level statements 4. Improved pattern matching 5. Target-type new C# 10 6. File scoped namespace 7. Global using directive 8. Constant interpolated strings C# 11 9. Raw literal strings 10. List patterns 11. File-scoped types 12. Required members C# 12 13. Primary constructors 14. Collection expressions 15. Inline collections with ranges and slices 16. Default values for lambda expressions C# 13 17. LINQ Index method 18. LINQ AggregateBy method 19. LINQ CountBy 20. Params collection 21. UUID version 7 22. Lock 23. Implicit index access In today's newsletter, you get those features explained in the "C# Upskill Checklist." For every feature you get: 1. Short explanation 2. Code example 3. Console output of the code snippet (where applicable)