fork(2) download 
  1. #include <iostream>
  2. #include <chrono>
  3. #include <iomanip>
  4.  
  5. int main()
  6. {
  7. 	std::chrono::steady_clock::time_point tp;
  8.  
  9. 	std::cout << "is epoch? " << std::boolalpha
  10. 		<< (tp == std::chrono::steady_clock::time_point())
  11. 		<< std::endl;
  12.  
  13. 	std::cout << "is zero? " << std::boolalpha
  14. 		<< (tp.time_since_epoch() == decltype(tp)::duration::zero())
  15. 		<< std::endl;
  16.  
  17. 	tp = std::chrono::steady_clock::now();
  18.  
  19. 	std::cout << "is epoch? " << std::boolalpha
  20. 		<< (tp == std::chrono::steady_clock::time_point())
  21. 		<< std::endl;
  22.  
  23. 	std::cout << "is zero? " << std::boolalpha
  24. 		<< (tp.time_since_epoch() == decltype(tp)::duration::zero())
  25. 		<< std::endl;
  26.  
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 4392KB
comments (?)
stdin 
Standard input is empty
stdout 
is epoch? true
is zero? true
is epoch? false
is zero? false
https://ideone.com/UU5CPM
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!