C++ Tricks of the Trade: Friend Functions

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Friend classes in C++ give us access to non-member functions or other classes. In this article Kais shows us exactly how and why we should use friend classes and functions.This new "C++ Tricks of the Trade" series of articles will show you how to write efficient yet maintainable C++ code, as well as explaining how to avoid common programming pitfalls.

In this introductory article, Kais discusses how to use friend functions to enhance a class interface.

Next: Friendly Friends >>
 

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· A better approach imho is:classB;class A{ A(const & A); A &...   >>> Post your comment now!