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  1. #include <iostream>
  2.  
  3. struct A{
  4.  
  5. };
  6.  
  7. struct B : A{
  8.  
  9. };
  10.  
  11. void
  12. func(){
  13. 	try{
  14. 		throw A();
  15. 	}
  16. 	catch (B) { std::cout << "throw B" << std::endl; } // if B is a public base class of A
  17. 	catch (B&) { std::cout << "throw B&" << std::endl; }
  18. 	catch (B const&) { std::cout << "throw B const&" << std::endl; }
  19. 	catch (B volatile&) { std::cout << "throw B volatile&" << std::endl; }
  20. 	catch (B const volatile&) { std::cout << "throw B const volatile&" << std::endl; }
  21. //	catch (A) { std::cout << "throw A" << std::endl; }
  22. 	catch (A&) { std::cout << "throw A&" << std::endl; }
  23. 	catch (A const&) { std::cout << "throw A const&" << std::endl; }
  24. 	catch (A volatile&) { std::cout << "throw A volatile&" << std::endl; }
  25. 	catch (A const volatile&) { std::cout << "throw const volatile&" << std::endl; }
  26. 	catch (void*) { std::cout << "throw void*" << std::endl; } // if A is a pointer
  27. 	catch (...) { std::cout << "throw ..." << std::endl; }
  28. }
  29.  
  30. int
  31. main(){
  32. 	func();
  33. 	return 0;
  34. }
Success #stdin #stdout 0.01s 2812KB
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stdin
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Standard input is empty
stdout
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throw A&
https://ideone.com/y19KQ9
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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