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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class figure
  6. {
  7. public:
  8.     virtual ~figure(){}
  9. };
  10.  
  11. class Pawn : public figure
  12. {
  13. public:
  14.     virtual ~Pawn(){}
  15. };
  16.  
  17. void value(figure fi)
  18. {
  19.     cout << "val typeid check: " << (typeid(fi) == typeid(Pawn)) << endl;
  20. }
  21.  
  22. void refer(figure& fi)
  23. {
  24.     cout << "ref typeid check: " << (typeid(fi) == typeid(Pawn)) << endl;
  25. }
  26.  
  27. int main()
  28. {
  29.     Pawn p;
  30.     value(p);
  31.     refer(p);
  32. }
  33.  
Success #stdin #stdout 0.01s 5432KB
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stdin
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Standard input is empty
stdout
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val typeid check: 0
ref typeid check: 1
https://ideone.com/BxzPnH
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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