C# 6.0 Pocket Reference: Instant Help for C# 6.0 Programmers by Joseph Albahari
When you need answers for programming with C# 6.0, this practical and tightly focused book tells you exactly what you need to know-without long introductions or bloated samples. Easy to browse, it's 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 author of C# 6.0 in a Nutshell, this book covers the entire C# 6.0 language, including: All of C#'s fundamentals Advanced topics such as operator overloading, 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 Dynamic binding and asynchronous functions Unsafe code & pointers, custom attributes, preprocessor directives, and XML documentation