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  1. #include <iostream>
  2. #include <string>
  3. #include <tuple>
  4. #include <set>
  5. using namespace std;
  6.  
  7. class ScannedFile 
  8. {
  9.  
  10. public:
  11. 	std::wstring old_name{ L"" };
  12. 	mutable std::wstring new_name{ L"" };
  13. 	mutable bool is_fv{ true };
  14.  
  15. 	ScannedFile() {}
  16.  
  17. 	ScannedFile(const std::wstring &old_n, const std::wstring &new_n, const std::string &ext) :
  18. 		old_name(old_n), new_name(new_n), extension(ext) 
  19. 	{
  20. 		if(new_n.empty())
  21. 			this->SetDefaultNewName();
  22. 	}
  23.  
  24. 	ScannedFile(const std::wstring &old_n, const std::wstring &new_n) :
  25. 		old_name(old_n), new_name(new_n)
  26. 	{
  27. 		if (new_n.empty())
  28. 			this->SetDefaultNewName();
  29. 		this->extension = "";
  30. 	}
  31.  
  32. 	// ...
  33.  
  34. 	void SetDefaultNewName() const
  35. 	{
  36. 		this->new_name = L"pusta_nazwa" + std::to_wstring(counter++);
  37. 	}
  38.  
  39. 	bool operator<(const ScannedFile &f) const 
  40. 	{
  41. 		return std::tie(this->old_name, this->new_name) < std::tie(f.old_name, f.new_name);
  42. 	}
  43.  
  44. private:
  45. 	static int counter;
  46. 	std::string extension;
  47. };
  48.  
  49. int ScannedFile::counter = 0;
  50.  
  51. int main() {
  52. 	auto files = set<ScannedFile> {ScannedFile(L"001", L""), ScannedFile(L"002", L"")};
  53.  
  54. 	if(!files.insert(ScannedFile(L"001", L"")).second)
  55. 		cout << "not inserted" << endl;
  56. 	else
  57. 		cout << "insertion succedded" << endl;
  58.  
  59. 	return 0;
  60. }
Success #stdin #stdout 0s 15248KB
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stdin
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Standard input is empty
stdout
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insertion succedded
https://ideone.com/236kaL
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
secret

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