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  1.  
  2. #include <iostream>
  3. #include <string>
  4. #include <locale>
  5.  
  6. int main()
  7. {
  8. 	try
  9. 	{
  10. 		std::locale::global(std::locale("en_US.utf8"));
  11.  
  12. 		std::string s = u8"This Is Ä Test";
  13.  
  14. 		std::use_facet<std::ctype<char>>(std::locale()).tolower(&s[0], &s[0] + s.size());
  15.  
  16. 		//std::cout.imbue(std::locale());
  17. 		std::cout << s << std::endl;
  18. 	}
  19. 	catch (std::exception& e)
  20. 	{
  21. 		std::cerr << e.what() << std::endl;
  22. 	}
  23. }
  24.  
Success #stdin #stdout 0s 16912KB
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stdin
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Standard input is empty
stdout
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this is Ä test
https://ideone.com/OsChvs
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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