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Professional C++, 3rd Edition by Marc Gregoire

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Chapter 10C++ Quirks, Oddities, and Incidentals

  • What the different use-cases are for references
  • Keyword confusion
  • How to use typedefs and type aliases
  • What scope resolution is
  • Details of features that do not fit elsewhere in this book

Please note that all the code examples for this chapter are available as a part of this chapter’s code download on the book’s website at www.wrox.com/go/proc++3e on the Download Code tab.

Many parts of the C++ language have tricky syntax or quirky semantics. As a C++ programmer, you grow accustomed to most of this idiosyncratic behavior; it starts to feel natural. However, some aspects of C++ are a source of perennial confusion. Either books never explain them thoroughly enough, or you forget how they work and continually look them up, or both. This chapter addresses this gap by providing clear explanations for some of C++’s most niggling quirks and oddities.

Many language idiosyncrasies are covered in various chapters throughout this book. This chapter tries not to repeat those topics by limiting itself to subjects that are not covered in detail elsewhere in the book. There is a bit of redundancy with other chapters, but the material is “sliced” in a different way in order to provide you with a new perspective.

The topics of this chapter include references, const, constexpr, static, extern, typedefs, type aliases, casts, scope resolution, uniform initialization, initializer lists, ...

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