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  1. #include <iostream>
  2. class B{
  3. public:
  4.     B(int xx, int yy): x(xx), y(yy){}
  5.     B& operator+(B& d){
  6.         x+=d.x;
  7.         y+=d.y;
  8.         return *this;
  9.     }
  10. private:
  11.     int x;
  12.     int y;
  13. };
  14. class A{
  15. public:
  16.     A(int xx, int yy): x(xx), y(yy){}
  17.     operator B() {
  18.         return B(x,y);
  19.     }
  20.     operator int() {
  21.         return x;
  22.     }
  23.  
  24. private:
  25.     int x;
  26.     int y;
  27. };
  28.  
  29. int main() {
  30.     A a(4 ,5);
  31.     B b(3,2);
  32.     static_cast<B>(a) + b;
  33.     return 0;
  34. }
Success #stdin #stdout 0s 4416KB
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https://ideone.com/cj2jDo
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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