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  1. #include <list>
  2. #include <iostream>
  3.  
  4. class electron
  5. {
  6. };
  7.  
  8. int main()
  9. {
  10. 	std::list<electron> electrons;
  11. 	for (int i = 5; i--; )
  12. 	{
  13. 		std::cout << "list size with clear: " << electrons.size() << '\n';
  14. 		electrons.push_back(electron());
  15. 		electrons.push_back(electron());
  16. 		electrons.push_back(electron());
  17. 		electrons.push_back(electron());
  18. 		electrons.clear();
  19. 	}
  20. 	for (int i = 5; i--; )
  21. 	{
  22. 		std::cout << "list size without clear: " << electrons.size() << '\n';
  23. 		electrons.push_back(electron());
  24. 		electrons.push_back(electron());
  25. 		electrons.push_back(electron());
  26. 		electrons.push_back(electron());
  27. 	}
  28. }
Success #stdin #stdout 0.01s 2856KB
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stdin
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Standard input is empty
stdout
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list size with clear: 0
list size with clear: 0
list size with clear: 0
list size with clear: 0
list size with clear: 0
list size without clear: 0
list size without clear: 4
list size without clear: 8
list size without clear: 12
list size without clear: 16
https://ideone.com/mBmVW
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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