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  1. #include<iostream>
  2. class Myclass;
  3. class Otherclass
  4. {
  5.     public:
  6.       void doSomething(Myclass &obj);
  7.  
  8. };
  9. class Myclass
  10. {
  11.     int i;
  12.     friend void Otherclass::doSomething(Myclass &obj);
  13. };
  14. void Otherclass::doSomething(Myclass &obj)
  15. {
  16.     obj.i = 10;
  17.     std::cout<<obj.i;
  18. }
  19.  
  20.  
  21. int main()
  22. {
  23.     Myclass obj;
  24.     Otherclass obj2;
  25.     obj2.doSomething(obj);
  26.     return 0;
  27. }
Success #stdin #stdout 0s 2852KB
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stdin
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Standard input is empty
stdout
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10
https://ideone.com/xtzpQX
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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