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moreeffectivec英文版PDF|Epub|txt|kindle电子书版本下载

moreeffectivec英文版
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  • 文件大小:55MB
  • 文件页数:338页
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图书目录

IntroductionBasics9

Item 1: Distinguish between pointers and references.9

Item 2: Prefer C++-style casts.12

Item 3: Never treat arrays polymorphically.16

Item 4: Avoid gratuitous default constructors.19

Operators24

Item 5: Be wary of user-defined conversion functions.24

Item 6: Distinguish between prefix and postfix forms of increment and decrement operators.31

Item 7: Never overload &&, | |, or ,.35

Item 8: Understand the different meanings of new and delete.38

Exceptions44

Item 9: Use destructors to prevent resource leaks.45

Item 10: Prevent resource leaks in constructors.50

Item 11: Prevent exceptions from leaving destructors.58

Item 12: Understand how throwing an exception differs from passing a parameter or calling a virtual function.61

Item 13: Catch exceptions by reference.68

Item 14: Use exception specifications judiciously.72

Item 15: Understand the costs of exception handling.78

Efficiency81

Item 16: Remember the 80-20 rule.82

Item 17: Consider using lazy evaluation.85

Item 18: Amortize the cost of expected computations.93

Item 19: Understand the origin of temporary objects.98

Item 20: Facilitate the return value optimization.101

Item 21: Overload to avoid implicit type conversions.105

Item 22: Consider using op= instead of stand-alone op.107

Item 23: Consider alternative libraries.110

Item 24: Understand the costs of virtual functions, multiple inheritance, virtual base classes, and RTII.113

Techniques123

Item 25: Virtualizing constructors and non-member functions.123

Item 26: Limiting the number of objects of a class.130

Item 27: Requiring or prohibiting heap-based objects.145

Item 28: Smart pointers.159

Item 29: Reference counting.183

Item 30: Proxy classes.213

Item 31: Making functions virtual with respect to more than one object.228

Miscellany252

Item 32: Program in the future tense.252

Item 33: Make non-leaf classes abstract.258

Item 34: Understand how to combine C++ and C in the same program.270

Item 35: Familiarize yourself with the language standard.277

Recommended Reading285

An auto_ptr Implementation291

General Index295

Index of Example Classes, Functions, and Templates313

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