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  1. #include <iostream>
  2.  
  3. class base {
  4. public:
  5.   virtual int operator>>(int) const = 0;
  6. };
  7.  
  8. class deriv: public base {
  9. public:
  10.   int operator>>(int) const {return 23;}
  11. };
  12.  
  13. int main() {
  14.   deriv d;
  15.   base& b = d;
  16.   std::cout << (b >> 15) << std::endl;
  17.   return 0;
  18. }
Success #stdin #stdout 0s 3096KB
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stdin
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Standard input is empty
stdout
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23
https://ideone.com/zWtppW
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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