Functions and Operators - C++.Coding.Standards.1918.Rules.Guidelines [Electronic resources] نسخه متنی

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C++.Coding.Standards.1918.Rules.Guidelines [Electronic resources] - نسخه متنی

Herb Sutter, Andrei Alexandrescu

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Summary

Discussion

References

Chapter 26. Preserve natural semantics for overloaded operators

Summary

Discussion

Exceptions

References

None 27. Prefer the canonical forms of arithmetic and assignment operators

Summary

Discussion

Examples

Exceptions

References

Chapter 28. Prefer the canonical form of ++ and --. Prefer calling the prefix forms

Summary

Discussion

Exceptions

References

Chapter 29. Consider overloading to avoid implicit type conversions

Summary

Discussion

References

Chapter 30. Avoid overloading &&, ||, or , (comma)

Summary

Discussion

Examples

Exceptions

References

Chapter 31. Don't write code that depends on the order of evaluation of function arguments

Summary

Discussion

References

Class Design and Inheritance

Chapter 32. Be clear what kind of class you're writing

Summary

Discussion

References

Chapter 33. Prefer minimal classes to monolithic classes

Summary

Discussion

References

Chapter 34. Prefer composition to inheritance

Summary

Discussion

Exceptions

References

Chapter 35. Avoid inheriting from classes that were not designed to be base classes

Summary

Discussion

Examples

References

Chapter 36. Prefer providing abstract interfaces

Summary

Discussion

Examples

Exceptions

References

Chapter 37. Public inheritance is substitutability. Inherit, not to reuse, but to be reused

Summary

Discussion

Exceptions

References

Chapter 38. Practice safe overriding

Summary

Discussion

Examples

References

Chapter 39. Consider making virtual functions nonpublic, and public functions nonvirtual

Summary

Discussion

Exceptions

References

Chapter 40. Avoid providing implicit conversions

Summary

Discussion

Examples

Exceptions

References

Chapter 41. Make data members private, except in behaviorless aggregates (C-style structs)

Summary

Discussion

Examples

Exceptions

References

Chapter 42. Don't give away your internals

Summary

Discussion

Exceptions

References

Chapter 43. Pimpl judiciously

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Discussion

Exceptions

References

Chapter 44. Prefer writing nonmember nonfriend functions

Summary

Discussion

Examples

References

Chapter 45. Always provide new and delete together

Summary

Discussion

Exceptions

References

Chapter 46. If you provide any class-specific new, provide all of the standard forms (plain, in-place, and nothrow)

Summary

Discussion

References

Construction, Destruction, and Copying

Chapter 47. Define and initialize member variables in the same order

Summary

Discussion

References

Chapter 48. Prefer initialization to assignment in constructors

Summary

Discussion

Exceptions

References

Chapter 49. Avoid calling virtual functions in constructors and destructors

Summary

Discussion

Examples

References

Chapter 50. Make base class destructors public and virtual, or protected and nonvirtual

Summary

Discussion

Examples

Exceptions

References

Chapter 51. Destructors, deallocation, and swap never fail

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Chapter 52. Copy and destroy consistently

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Discussion

Exceptions

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Chapter 53. Explicitly enable or disable copying

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Chapter 54. Avoid slicing. Consider Clone instead of copying in base classes

Summary

Discussion

Exceptions

References

Chapter 55. Prefer the canonical form of assignment

Summary

Discussion

References

Chapter 56. Whenever it makes sense, provide a no-fail swap (and provide it correctly)

Summary

Discussion

Exceptions

References

Namespaces and Modules

Chapter 57. Keep a type and its nonmember function interface in the same namespace

Summary

Discussion

Examples

References

Chapter 58. Keep types and functions in separate namespaces unless they're specifically intended to work together

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Discussion

References

Chapter 59. Don't write namespace usings in a header file or before an #include

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Discussion

Exceptions

References

Chapter 60. Avoid allocating and deallocating memory in different modules

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Discussion

References

Chapter 61. Don't define entities with linkage in a header file

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Discussion

Exceptions

References

Chapter 62. Don't allow exceptions to propagate across module boundaries

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Discussion

References

Chapter 63. Use sufficiently portable types in a module's interface

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Discussion

Examples

References

Templates and Genericity

Chapter 64. Blend static and dynamic polymorphism judiciously

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Discussion

References

Chapter 65. Customize intentionally and explicitly

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Chapter 66. Don't specialize function templates

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Discussion

Examples

References

Chapter 67. Don't write unintentionally nongeneric code

Summary

Discussion

Exceptions

References

Error Handling and Exceptions

Chapter 68. Assert liberally to document internal assumptions and invariants

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Discussion

Examples

References

Chapter 69. Establish a rational error handling policy, and follow it strictly

Summary

Discussion

References

Chapter 70. Distinguish between errors and non-errors

Summary

Discussion

Examples

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Chapter 71. Design and write error-safe code

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Discussion

Examples

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Chapter 72. Prefer to use exceptions to report errors

Summary

Discussion

Examples

Exceptions

References

Chapter 73. Throw by value, catch by reference

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Examples

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Chapter 74. Report, handle, and translate errors appropriately

Summary

Discussion

Exceptions

References

Chapter 75. Avoid exception specifications

Summary

Discussion

Exceptions

References

STL: Containers

Chapter 76. Use vector by default. Otherwise, choose an appropriate container

Summary

Discussion

Examples

References

Chapter 77. Use vector and string instead of arrays

Summary

Discussion

References

_str) to exchange data with non-C++ APIs

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Discussion

References

Chapter 79. Store only values and smart pointers in containers

Summary

Discussion

Examples

References

Chapter 80. Prefer push_back to other ways of expanding a sequence

Summary

Discussion

Exceptions

References

Chapter 81. Prefer range operations to single-element operations

Summary

Discussion

Examples

References

Chapter 82. Use the accepted idioms to really shrink capacity and really erase elements

Summary

Discussion

Exceptions

References

STL: Algorithms

Chapter 83. Use a checked STL implementation

Summary

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Examples

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Chapter 84. Prefer algorithm calls to handwritten loops

Summary

Discussion

Examples

Exceptions

References

Chapter 85. Use the right STL search algorithm

Summary

Discussion

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Chapter 86. Use the right STL sort algorithm

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Discussion

Examples

Exceptions

References

Chapter 87. Make predicates pure functions

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Discussion

Examples

References

Chapter 88. Prefer function objects over functions as algorithm and comparer arguments

Summary

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Chapter 89. Write function objects correctly

Summary

Discussion

References

Type Safety

Chapter 90. Avoid type switching; prefer polymorphism

Summary

Discussion

Examples

References

Chapter 91. Rely on types, not on representations

Summary

Discussion

References

Chapter 92. Avoid using reinterpret_cast

Summary

Discussion

Exceptions

References

Chapter 93. Avoid using static_cast on pointers

Summary

Discussion

References

Chapter 94. Avoid casting away const

Summary

Discussion

Exceptions

References

Chapter 95. Don't use C-style casts

Summary

Discussion

References

Chapter 96. Don't memcpy or memcmp non-PODs

Summary

Discussion

References

Chapter 97. Don't use unions to reinterpret representation

Summary

Discussion

Exceptions

References

Chapter 98. Don't use varargs (ellipsis)

Summary

Discussion

References

Chapter 99. Don't use invalid objects. Don't use unsafe functions

Summary

Discussion

References

Chapter 100. Don't treat arrays polymorphically

Summary

Discussion

References

Bibliography

Summary of Summaries

Organizational and Policy Issues

Design Style

Coding Style

Functions and Operators

Class Design and Inheritance

Construction, Destruction, and Copying

Namespaces and Modules

Templates and Genericity

Error Handling and Exceptions

STL: Containers

STL: Algorithms

Type Safety
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Functions and Operators


If you have a procedure with ten parameters, you probably missed some. Item 70), this has a direct effect on how we reason about the correctness and safety of our code.Item 26: Preserve natural semantics for overloaded operators.


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