When you need answers for using C#5.0, this tightly focused and practical book tells you exactly what you need to know - without long introductions or bloated samples. Succinct and easy to browse, C# 5.0 Pocket Reference is ideal as 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, this book doesn't skimp on detail, but covers the entire C# 5.0 language, including: Features new to C# 5.0, such asynchrony with new enhancements to Caller Info Attributes, ReadOnlyDictionary, Web Sockets, and the new HttpClient class All of C#'s fundamentals Advanced topics-operator overloading, custom conversions, type constraints, covariance & contravariance, iterators, nullable types, operator lifting, lambda expressions & closures LINQ, starting with sequences, lazy execution and standard query operators, and finishing with a complete reference to query expressions Unsafe code & pointers, custom attributes, preprocessor directives, and XML documentation