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  1. class B {
  2. public:
  3.     int value;
  4.     B(int value) : value(value) {}
  5. };
  6.  
  7. class A {
  8. public:
  9.     int value;
  10.     A(int value) : value(value) {}
  11.  
  12.     operator B() {
  13.         return B(value);
  14.     }
  15. };
  16.  
  17. B operator+(B lhs, B rhs) {
  18.     return B(lhs.value + rhs.value);
  19. }
  20.  
  21. int main() {
  22.  
  23.     A a(3);
  24.     B b(4);
  25.  
  26.     B c = a + b;
  27.  
  28.     return 0;
  29. }
Success #stdin #stdout 0s 4452KB
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https://ideone.com/JRcjjp
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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