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  1. 	#include <chrono>
  2. 	#include <ratio>
  3. 	#include <stdexcept>
  4. 	#include <iostream>
  5.  
  6. 	int main() {
  7. 		try {
  8. 			// Uncomment any of the following checks for a particular resolution in question
  9. 			if(std::ratio_less_equal<std::nano,std::chrono::system_clock::period>::value) {
  10. 			// if(std::ratio_less_equal<std::micro,std::chrono::system_clock::period>::value) {
  11. 			// if(std::ratio_less_equal<std::milli,std::chrono::system_clock::period>::value) {
  12. 			// if(std::ratio_less_equal<std::centi, std::chrono::system_clock::period>::value) {
  13. 			    throw std::runtime_error
  14. 			        ("Clock doesn't meet the actual resolution requirements.");
  15. 			}
  16. 		}
  17. 	    catch(const std::exception& ex) {
  18. 	    	std::cout << "Exception: '" << ex.what() << "'" << std::endl;
  19. 	    }
  20. 		std::cout << "The curently available resolution is: " 
  21. 		          << std::chrono::system_clock::period::num << "/" 
  22. 		          << std::chrono::system_clock::period::den
  23. 		          << " seconds" << std::endl;
  24. 	}
  25.  
Success #stdin #stdout 0s 3272KB
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stdin
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Standard input is empty
stdout
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Exception: 'Clock doesn't meet the actual resolution requirements.'
The curently available resolution is: 1/1000000000 seconds
https://ideone.com/m68aZz
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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