In object-oriented programming, a virtual function or virtual method is a function or method whose behaviour can be overridden within an inheriting class by a function with the same signature.
I sometimes notice programs that crash on my computer with the error: "pure virtual function call". How do these programs …
c++ polymorphism virtual-functions pure-virtualI know virtual methods from PHP or Java. How can they be implemented in Python? Or have I to define …
python virtual-functionsWith the struct definition given below... struct A { virtual void hello() = 0; }; Approach #1: struct B : public A { virtual void hello() { ... } }; Approach #2: …
c++ overriding virtual-functionsI got this question when I received a code review comment saying virtual functions need not be inline. I thought …
c++ inline virtual-functionsC# methods in interfaces are declared without using the virtual keyword, and overridden in the derived class without using the …
c# methods interface abstract virtual-functionsAssignment Operator in C++ can be made virtual. Why is it required? Can we make other operators virtual too?
c++ operator-overloading virtual virtual-functionsIn my class design, I use abstract classes and virtual functions extensively. I had a feeling that virtual functions affects …
c++ performance optimization virtual-functionsPossible Duplicate: C++ static virtual members? Can we have a static virtual functions? If not, then WHY? class X { public: …
c++ static-methods virtual-functionsHere is my example code which produces the error: struct Impl { int data_size_; int find(int var){return 0;} int …
c++ polymorphism virtual-functions diamond-problemWe all know what virtual functions are in C++, but how are they implemented at a deep level? Can the …
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