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We talked with @elexis about constant references and I gave an example why passing by value may be better than passing by constant reference. During todays refactoring I met another important things that you need to know about constant references. Aliasing Take a look at the following code. Do you see a problem? (It's our code from ps/Shapes.h). // Interface class CSize { public: // ... void operator/=(const float& a); // ... public: float cx, cy; } // Implementation void CSize::operator/=(const float& a) { cx /= a; cy /= a; } If not, would
