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  1. #include <iostream>
  2. #include <string>
  3. #include <exception>
  4. #include <typeinfo>
  5.  
  6. class MyException : public std::exception
  7. {
  8. public:
  9.   MyException()
  10.     : std::exception()
  11.   {}
  12. };
  13.  
  14. void hereHappensTheFailure()
  15. {
  16.  throw MyException();
  17. }
  18.  
  19. template <class E>
  20. void detector(const E& exception) 
  21. {
  22.   if (typeid(exception) != typeid(E)) 
  23.   {
  24.     std::cout << "Exception was sliced" << std::endl;
  25.   }
  26.   else
  27.   {
  28.     std::cout << "Exception was not sliced" << std::endl;
  29.   }
  30. }
  31.  
  32. int main()
  33. {
  34.   try
  35.   {
  36.     hereHappensTheFailure();
  37.   }
  38.   catch (std::exception ex)
  39.   {
  40.     detector(ex);
  41.   }
  42.  
  43.   return 0;
  44. }
Success #stdin #stdout 0s 2988KB
comments (?)
stdin
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Standard input is empty
stdout
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Exception was not sliced
https://ideone.com/zcrCuH
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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