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  1. #include <cassert>
  2. #include <iostream>
  3. #include <string>
  4. class namegen
  5. {
  6. 	public:
  7. 	std::string name;
  8. 	namegen()
  9. {
  10. 	name="truble";
  11. };
  12. };
  13.  
  14. int main()
  15. {
  16. 	namegen n;
  17. 	std::cout<<"строка n.name равна = "<<n.name<<std::endl;
  18. 	std::string::size_type const capacity = n.name.capacity();
  19.  
  20.     n.name.clear();
  21.     assert(capacity == n.name.capacity());
  22.     assert(n.name.empty());
  23.     assert(0 == n.name.size());
  24. 	std::cout<<"строка n.name после удаления равна = "<<n.name;
  25. 	std::cout<<std::endl<<"выводим символ по порядковому номеру = "<<n.name[1];
  26. return 0;
  27. }
Success #stdin #stdout 0s 3460KB
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Standard input is empty
stdout
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строка n.name равна = truble
строка n.name после удаления равна = 
выводим символ по порядковому номеру = r
https://ideone.com/SEAMMi
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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