Case Study: Delegates Used in LINQ to Objects
Although we defer a more thorough discussion about LINQ until Chapter 19, I think it’s worthwhile to spend a bit of time illustrating the use of delegates in the context of LINQ. One of the built-in “providers” for Language Integrated Query allows for querying over in-memory data sequences and is known as LINQ to Objects.
Various query operators are implemented as methods that take in an IEnumerable<T> sequence as one of their inputs, typically returning a derived sequence as a result. Such operators form the building blocks to build more complex queries from. In other words, those query operators ...
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