Essential C# 6.0

14. Collection Interfaces with Standard Query Operators

The most significant features added in C# 3.0 were in the area of collections. Extension methods and lambda expressions enabled a far superior API for working with collections. In fact, in earlier editions of this book, the chapter on collections came immediately after the chapter on generics and just before the one on delegates. However, lambda expressions make such a significant impact on collection APIs that it is no longer possible to cover collections without first covering delegates (the basis of lambda expressions). Now that you have a solid foundation in lambda expressions from the preceding chapter, we can delve into the details of collections—a topic that spans three chapters. ...