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// converting from UTF-16 to UTF-8
#include <iostream> // std::cout, std::hex
#include <string> // std::string, std::u16string
#include <locale> // std::wstring_convert
#include <codecvt> // std::codecvt_utf8_utf16
int main ()
{
std::u16string str16 (u"\u3084\u3042"); // UTF-16 for YAA (やあ)
std::wstring_convert<std::codecvt_utf8_utf16<char16_t>,char16_t> cv;
std::string str8 = cv.to_bytes(str16);
std::cout << std::hex;
std::cout << "UTF-8: ";
for (char c : str8)
std::cout << '[' << int(static_cast<unsigned char>(c)) << ']';
std::cout << '\n';
return 0;
}
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