Content by Bill Wagner (2)

Bill Wagner introduces union types in C# 15, explaining the new `union` keyword, how it enables exhaustive pattern matching over a closed set of case types, and how to try the feature today using .NET 11 Preview 2 with `preview`.

Bill Wagner introduces the key features of C# 14 shipped with .NET 10, emphasizing extension members, productivity boosters, and performance enhancements for developers.