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  1. #include <memory>
  2. #include <iostream>
  3.  
  4. template<typename T>
  5. using SP = std::shared_ptr<T>;
  6.  
  7. class CVPatModel;
  8. typedef SP<CVPatModel> VModel;
  9.  
  10. class CTest
  11. {
  12. public:
  13.     void SaveModelToFile( VModel ModelPtr, const char* szFileName );    
  14. };  
  15.  
  16. class CVPatModel
  17. {
  18. public : 
  19.     friend void CTest::SaveModelToFile( VModel, const char*);
  20.  
  21. protected : 
  22.     virtual void Save( const char* szFileName ) { std::cout << "saving to file \"" << szFileName << "\" succeeded!\n"; };
  23. };
  24.  
  25. void CTest::SaveModelToFile( VModel ModelPtr, const char* szFileName )
  26. { 
  27.     ModelPtr->Save(szFileName);
  28. }
  29.  
  30. int main()
  31. {
  32.     VModel vm = std::make_shared<CVPatModel>();
  33.     CTest ct;
  34.     ct.SaveModelToFile(vm, "bla");
  35. }
Success #stdin #stdout 0s 3032KB
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stdin
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Standard input is empty
stdout
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saving to file "bla" succeeded!
https://ideone.com/DVtspL
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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