C# 15 Union Types Explained Simply – A Better Way to Handle Multiple Return Types

C# 15 introduces Union Types — a simple and type-safe way to handle multiple return types. Learn how it works and how to try it with .NET 11 Preview 2.

C# 15 introduces Union Types — a simple and type-safe way to handle multiple return types. Learn how it works and how to try it with .NET 11 Preview 2.

.NET 9 introduces powerful new LINQ methods — Index, CountBy, and AggregateBy. This guide explains each method with before-and-after examples, showing how they reduce boilerplate and make queries more readable.