8 static std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>,wchar_t> convert;
10 std::string to_utf8(const wchar_t *wstr)
12 return convert.to_bytes(wstr);
17 static std::wstring_convert<std::codecvt_utf8_utf16<char16_t>,char16_t> convert;
19 std::string to_utf8(const char16_t *wstr)
21 return convert.to_bytes(wstr);
26 std::string to_utf8(char16_t wch)
28 return convert.to_bytes(wch);
36 to_utf16(const std::string &utf8)
38 return convert.from_bytes(utf8);