On Wednesday, 23 September 2015 at 08:27:43 UTC, ponce wrote:
I fail to see how the multi-part C++ object initialization is any better than the one of D. It just is very simple in D: first assign .init, then call the destructor, virtual calls allowed (of course!).
The combination of being able to override most member functions and them being called in super constructors makes for a brittle inheritance mechanism. If virtual was explicit and the superclass could make some parts of the virtual function non-overridable then it would be less problematic.
The weird rules of virtual functions in ctor/dtor in C++ just feel like one more special case. It doesn't even seem more efficient, quite the contrary.
Devirtualized inlining is trivially more efficient than virtual calls...
