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  1. #include <stdio.h>
  2.  
  3. struct A {
  4.        virtual void print() const { printf("a\n"); }
  5.     };
  6.  
  7.     struct B : public A {
  8.        virtual void print() const { printf("b\n"); }
  9.     };
  10.  
  11.     struct C {
  12.        operator B() { return B(); }
  13.     };
  14.  
  15.     void print(const A& a) {
  16.        a.print();
  17.     }
  18.  
  19.     int main() {
  20.        C c;
  21.        print(c);
  22.     }
Success #stdin #stdout 0.02s 2680KB
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a
https://ideone.com/4W7qIa
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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