导语

  

内容提要

  

    在比尔·瓦格纳著的《Effective C#(编写高质量C#代码的50条有效方法第3版英文版)/原味精品书系》中，.NET专家Bill Wagner为我们提供了50条有效的方法，通过这些方法可以利用C#的全部语言功能编写健壮、高效和运行良好的代码。Wagner利用他杰出的C#使用经验，解决了从资源管理到多核支持的各种问题，并揭示了如何规避语言和．NET环境中常见的陷阱。本书主要写给那些把C#当作日常开发工具的专业开发者，读者需要事先熟悉C#语法和语言特性。

    比尔·瓦格纳（Bill Wagner），世界知名的C#专家，也是ECMA C#标准委员会成员。他在Humanitarian Toolbox项目中担任主管，并荣获微软公司.NET MVP称号长达11年，最近开始在.NET Foundation AdvisoryCouncil任职。Wagner在工作中与各种规模的公司合作，帮助这些创业公司或企业改进软件开发流程，并培养软件开发团队。目前，他是微软.NET核心内容团队的员工，写过很多与C#语言及.NET框架有关的学习资料。他拥有伊利诺伊大学厄巴纳-尚佩恩分校计算机科学专业的学士学位。

Chapter 1 C# Language Idioms
  Item1: Prefer Implicitly Typed Local Variables
  Item2: Prefer readonly to const
  Item3: Prefer the is or as Operators to Casts
  Item4: Replace string.Format() with Interpolated Strings
  Item5: Prefer FormattableString for Culture-Specific Strings
  Item6: Avoid String-ly Typed APIs
  Item7: Express Callbacks with Delegates
  Item8: Use the Null Conditional Operator for Event Invocations
  Item9: Minimize Boxing and Unboxing
  Item10: Use the new Modifier Only to React to Base Class Updates
Chapter 2 .NET Resource Management
  Item11: Understand .NET Resource Management
  Item12: Prefer Member Initializers to Assignment Statements
  Item13: Use Proper Initialization for Static Class Members
  Item14: Minimize Duplicate Initialization Logic
  Item15: Avoid Creating Unnecessary Objects
  Item16: Never Call Virtual Functions in Constructors
  Item17: Implement the Standard Dispose Pattern
Chapter 3 Working with Generics
  Item18: Always Define Constraints That Are Minimal and Sufficient
  Item19: Specialize Generic Algorithms Using Runtime Type Checking
  Item20: Implement Ordering Relations with IComparable＜T＞ and IComparer＜T＞
  Item21: Always Create Generic Classes That Support Disposable Type Parame
  Item22: Support Generic Covariance and Contravariance
  Item23: Use Delegates to Define Method Constraints on Type Parameters
  Item24: Do Not Create Generic Specialization on Base Classes or Interfaces
  Item25: Prefer Generic Methods Unless Type Parameters Are Instance Fields
  Item26: Implement Classic Interfaces in Addition to Generic Interfaces
  Item27: Augment Minimal Interface Contracts with Extension Methods
  Item28: Consider Enhancing Constructed Types with Extension Methods
Chapter 4 Working with LINQ
  Item29: Prefer Iterator Methods to Returning Collections
  Item30: Prefer Query Syntax to Loops
  Item31: Create Composable APIs for Sequences
  Item32: Decouple Iterations from Actions, Predicates, and Functions
  Item33: Generate Sequence Items as Requested
  Item34: Loosen Coupling by Using Function Parameters
  Item35: Never Overload Extension Methods
  Item36: Understand How Query Expressions Map to Method Calls
  Item37: Prefer Lazy Evaluation to Eager Evaluation in Queries
  Item38: Prefer Lambda Expressions to Methods
  Item39: Avoid Throwing Exceptions in Functions and Actions
  Item40: Distinguish Early from Deferred Execution
  Item41: Avoid Capturing Expensive Resources
  Item42: Distinguish between IEnumerable and IQueryable Data Sources
  Item43: Use Single() and First() to Enforce Semantic Expectations on Queries
  Item44: Avoid Modifying Bound Variables
Chapter 5 Exception Practices
  Item45: Use Exceptions to Report Method Contract Failures
  Item46: Utilize using and try/finally for Resource Cleanup
  Item47: Create Complete Application-Specific Exception Classes
  Item48: Prefer the Strong Exception Guarantee
  Item49: Prefer Exception Filters to catch and re-throw
  Item50: Leverage Side Effects in Exception Filters
Index