A virtual function that must be implemented by every non-abstract derived class.
We always declare a pure virtual function as: virtual void fun () = 0 ; I.e., it is always assigned to 0. What I …
c++ abstract-class pure-virtualI understand why this is happening, but I'm stuck trying to resolve it...here is what my code is doing …
c++ polymorphism derived-class base-class pure-virtualWhilst compiling with avr-gcc I have encountered linker errors such as the following: undefined reference to `__cxa_pure_virtual' I've …
c++ avr-gcc pure-virtualNearly the final step but still some strange erros.... bash-3.2$ make g++ -Wall -c -g Myworld.cc g++ -Wall -g …
c++ linker-errors undefined-reference vtable pure-virtualI'm learning about C++ in a class right now and I don't quite grok pure virtual functions. I understand that …
c++ virtual-functions pure-virtualEDIT: SOLVED I'm working on a multi-threaded project right now where I have a base worker class, with varying worker …
c++ multithreading inheritance pure-virtualPure virtual functions (when we set = 0) can also have a function body. What is the use to provide a function …
c++ pure-virtualI'm having some trouble implementing pure virtual functions inherited from some abstract class, when the classes in question are divided …
c++ inheritance abstract pure-virtualI have a base class MyBase that contains a pure virtual function: void PrintStartMessage() = 0 I want each derived class to …
c++ constructor abstract-class object-lifetime pure-virtualThe following example is from the book "Inside C++ object model" class Abstract_base { public: virtual ~Abstract_base () = 0; virtual void …
c++ oop inheritance constructor pure-virtual