7 std::string convertWStringToString(
const std::wstring &s);
8 std::string convertUTF16ToString(
const std::u16string &s);
9 std::string convertUTF32ToString(
const std::u32string &s);
10 std::wstring convertStringToWString(
const std::string &s);
11 std::wstring convertU16StringToWString(
const std::u16string &s);
12 std::u16string convertStringToU16String(
const std::string &s);
13 std::u16string convertStringToU16String(
const std::string_view &s);
14 std::u16string convertWStringToU16String(
const std::wstring& s);
15 std::u32string convertStringToU32String(
const std::string &s);
16 unsigned convertUTF8CharToU16Char(
const char *begin,
const char *end,
char16_t *out);