13.8. Summary
LINQ is a set of related technologies that attempts to provide a single, symmetrical manner to interact with diverse forms of data. As explained over the course of this chapter, LINQ can interact with any type implementing the IEnumerable<T> interface, including simple arrays as well as generic and nongeneric collections of data.
As you have seen, working with LINQ technologies is accomplished using several C# language features. For example, given the fact that LINQ query expressions can return any number of result sets, it is common to make use of the var keyword to represent the underlying data type. As well, lambda expressions, object initialization syntax, and anonymous types can all be used to build very functional and compact ...
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