译序(侯捷)
目录(Contents)
致谢(Acknowledgments. 中文版略)
导读(Introduction) 001
基础议题(Basics) 009
条款1:仔细区别 pointers 和 references 009
Distinguish between pointers and references
条款2:最好使用 C++ 转型操作符 012
Prefer C++-style casts
条款3:绝对不要以polymorphically(多态)方式来处理数组 016
Never treat arrays polymorphically
条款4:非必要不提供 default constructor 019
Avoid gratuitous default constructors
操作符(Operators) 024
条款5:对定制的型别转换函数保持警觉 024
Be wary of user-defined conversion functions
条款6:区别 increment/decrement 操作符的
前置(prefix)和后置(postfix)型式 031
Distinguish between prefix and postfix forms of increment
and decrement operators
条款7:千万不要重载 &&, ||, 和 , 操作符 035
Never overload &&, ||, or ,
条款8:了解各种不同意义的 new 和 delete 038
Understand the different meanings of new and delete
异常(Exceptions) 044
条款9:利用 destructors 避免泄漏资源 045
Use destructors to prevent resource leaks
条款10:在 constructors 内阻止资源泄漏(resource leaks) 050
Prevent resource leaks in constructors
条款11:禁止异常(exceptions)流出 destructors 之外 058
Prevent exceptions from leaving destructors
条款12:了解「掷出一个 exception」与「传递一个参数」
或「调用一个虚函数」之间的差异 061
Understand how throwing an exception differs from
passing a parameter or calling a virtual function
条款13:以 by reference 方式捕捉 exceptions 068
Catch exceptions by reference
条款14:明智运用 exception specifications 072
Use exception specifications judiciously
条款15:了解异常处理(exception handling)的成本 078
Understand the costs of exception handling
效率(Efficiency) 081
条款16:谨记 80-20 法则 082
Remember the 80-20 rule
条款17:考虑使用 lazy evaluation 085
Consider using lazy evaluation
条款18:分期摊还预期的计算成本 093
Amortize the cost of expected computations
条款19:了解暂时对象的来源 098
Understand the origin of temporary objects
条款20:协助完成「返回值优化(RVO)」 101
Facilitate the return value optimization
条款21:利用重载技术(overload)避免隐式型别转换 105
Overload to avoid implicit type conversions
条款22:考虑以操作符复合型式(op=)取代其独身型式(op)107
Consider using op= instead of stand-alone op
条款23:考虑使用其它程序库 110
Consider alternative libraries
条款24:了解 virtual functions、multiple inheritance、virtual base classes、
runtime type identification 所需的成本 113
Understand the costs of virtual functions, multiple inheritance,
virtual base classes, and RTTI
技术(Techniques, Idioms, Pattern) 123
条款25:将 constructor 和 non-member functions 虚化 123
Virtualizing constructors and non-member functions
条款26:限制某个 class 所能产生的对象数量 130
Limiting the number of objects of a class
条款27:要求(或禁止)对象产生于 heap 之中 145
Requiring or prohibiting heap-based objects
条款28:Smart Pointers(智能指针) 159
条款29:Reference counting(引用计数) 183
条款30:Proxy classes(替身类、代理类) 213
条款31:让函数根据一个以上的对象型别来决定如何虚化 228
Making functions virtual with respect to more than one object
杂项讨论(Miscellany) 252
条款32:在未来时态下发展程序 252
Program in the future tense
条款33:将非尾端类(non-leaf classes)设计为
抽象类(abstract classes) 258
Make non-leaf classes abstract
条款34:如何在同一个程序中结合 C++ 和 C 270
Understand how to combine C++ and C in the same program
条款35:让自己习惯于标准 C++ 语言 277
Familiarize yourself with the language standard
推荐书目 285
auto_ptr 实现代码 291
索引1(General Index) 295
索引2(Index of Example Classes, Functions, and Templtes) 313