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  1. #include <iostream>
  2. #include <string>
  3. #include <typeinfo>
  4.  
  5. template <typename T>
  6. std::string the_type(T a_variable) {
  7. 	std::string r_string;
  8.  
  9. 	if (typeid(T) == typeid(std::string)) {
  10. 		if (reinterpret_cast<std::string&>(a_variable) == "1") {
  11. 			r_string = "a string containing 1";
  12. 		} else {
  13. 			r_string = "just a string";
  14. 		}
  15. 	}
  16. 	else {
  17. 		r_string = "not a string";
  18. 	}
  19.  
  20. 	return r_string;
  21. }
  22.  
  23. int main()
  24. {
  25. 	int i = 1;
  26. 	std::cout << the_type(i) << std::endl;
  27.  
  28. 	char c[] = "121345";
  29. 	std::cout << the_type(c) << std::endl;
  30.  
  31. 	std::string s = "121345";
  32. 	std::cout << the_type(s) << std::endl;
  33.  
  34. 	s = "1";
  35. 	std::cout << the_type(s) << std::endl;
  36.  
  37. 	return 0;
  38. }
Success #stdin #stdout 0s 4264KB
comments (?)
stdin 
Standard input is empty
stdout 
not a string
not a string
just a string
a string containing 1
https://ideone.com/oq70Ne
language:
C++ 4.3.2 (gcc-4.3.2)
created:
5 years ago
visibility:
public

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