When you're programming C# 4.0 and need a little help, this tightly focused and practical book tells you exactly what you need to know -- without long introductions or bloated examples. It's ideal as a succinct quick reference or as a guide to get you rapidly up to speed if you already know Java, C++, or an earlier version of C#.Written by the authors of the acclaimed C# 4.0 in a Nutshell (O’Reilly), this book covers the entire C# 4.0 language -- without skimping on the details -- including:Features new to C# 4.0, such as dynamic binding, optional and named parameters, and type parameter varianceAll of C#'s fundamentalsAdvanced topics, including operator overloading, custom conversions, type constraints, covariance and contravariance, lambda expressions and closures, iterators, nullable types, and operator liftingLINQ, starting with sequences, lazy execution, and standard query operators; finishing with a complete reference to query expressionsUnsafe code and pointers, custom attributes, preprocessor directives, and XML documentation