language: C++ 4.7.2 (gcc-4.7.2)
date: 305 days 0 hours ago
link:
visibility: public
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#include <iostream>
 
#define CLASS(name)              \
    virtual std::string className() {    \
        return #name;            \     
    }                           
 
class A {
public:
   CLASS(A) 
 
   A(){}
   ~A(){}  
 
   void output() {
       std::cout << className() << std::endl;
   }
};
 
class B: public A{
public:
   CLASS(B)
   B(){}
   ~B(){}
};
 
int main() {
   B b;
   b.output();    // This obviously outputs "A" but I would
                  // like it to output "B" from the base class
                  // function
   return 0;
}