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  1. #include <iostream>
  2. #include <sstream>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	stringstream a("123");
  7. 	stringstream b("hello");
  8. 	int x;
  9. 	a >> x;
  10. 	if (!a.fail()) {
  11. 		cout << "a is fine: " << x << endl;
  12. 	} else {
  13. 		cout << "a is bad" << endl;
  14. 	}
  15. 	b >> x;
  16. 	if (!b.fail()) {
  17. 		cout << "b is fine: " << x << endl;
  18. 	} else {
  19. 		cout << "b is bad" << endl;
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 3472KB
comments (?)
stdin
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Standard input is empty
stdout
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a is fine: 123
b is bad
https://ideone.com/Qh2qVr
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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