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  1. #include <iostream>
  2. #include <string>
  3.  
  4. void no_input()
  5. {
  6. 	std::cout << "You did not enter anything";
  7. }
  8.  
  9. int main() {
  10. 	bool keep_going = true;
  11. 	while (keep_going)
  12. 	{
  13. 		std::string foo;
  14. 		std::cout << "Enter command: ";
  15. 		std::getline(std::cin, foo);
  16. 		if (foo.empty())
  17. 		{
  18. 			no_input();
  19. 			keep_going = false;
  20. 		}
  21. 	}
  22. }
  23.  
  24.  
  25.  
Success #stdin #stdout 0s 3416KB
comments (?)
stdin 
asfhadfhj
tueruiyo
zcvnxcbmc
stdout 
Enter command: Enter command: Enter command: Enter command: You did not enter anything
https://ideone.com/a9gPEm
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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