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by rectang
1877 days ago
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Do you know if the mechanism in described by Stroustrup in 1989 for supporting multiple inheritance is actually used by modern C++ compilers? https://www.usenix.org/legacy/publications/compsystems/1989/... The plan seems so complex that it makes complete sense to me why languages would avoid multiple class inheritance (where each class is afforded direct access to member variables). In contrast: • With single inheritance, you don't have to resolve different member variable layouts because there is only one. • With interface inheritance (with or without default methods), interface methods don't get to access struct members directly and know nothing about object memory layout. |
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