C++ Coding Standards: 101 Rules, Guidelines, and Best Practices > Avoid providing implicit conversions > Discussion

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C++ Coding Standards: 101 Rules, Guidelines, and Best Practices

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The C++ In-Depth Series

Preface

Organizational and Policy Issues

Design Style

Coding Style

Functions and Operators

Class Design and Inheritance

Ch. 32. Be clear what kind of class you’re writing

Ch. 33. Prefer minimal classes to monolithic classes

Ch. 34. Prefer composition to inheritance

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

Ch. 36. Prefer providing abstract interfaces

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

Ch. 38. Practice safe overriding

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

Ch. 40. Avoid providing implicit conversions

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

Ch. 42. Don’t give away your internals

Ch. 43. Pimpl judiciously

Ch. 44. Prefer writing nonmember nonfriend functions

Ch. 45. Always provide new and delete together

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

Construction, Destruction, and Copying

Namespaces and Modules

Templates and Genericity

Error Handling and Exceptions

Discussion

Implicit conversions have two main problems:

They can fire in the most unexpected places.
They don’t always mesh well with the rest of the language.

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Contents

Chapter 40. Avoid providing implicit conversions > Discussion

Discussion