新特性C＃4.0，如動態(tài)綁定，可選和命名參數(shù)和類型參數(shù)變化 所有的C＃的基礎(chǔ) 高級主題，包括操作符重載，自定義轉(zhuǎn)換，類型約束，協(xié)變和逆變，lambda表達(dá)式和閉包，迭代器，可空類型和操作起重
LINQ，使用序列，懶惰的執(zhí)行，標(biāo)準(zhǔn)查詢操作符開始，結(jié)束了一個完整的參考查詢表達(dá)式 不安全代碼和指針，自定義屬性，預(yù)處理器指令和XML文檔

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 variance
All of C#'s fundamentals
Advanced topics, including operator overloading, custom conversions, type constraints, covariance and contravariance, lambda expressions and closures, iterators, nullable types, and operator lifting
LINQ, starting with sequences, lazy execution, and standard query operators; finishing with a complete reference to query expressions
Unsafe code and pointers, custom attributes, preprocessor directives, and XML documentation