Function utf32ToUtf8

Source/Falcor/Utils/StringUtils.h:185–189

* Convert a UTF-32 codepoint to a UTF-8 string */

 * Convert a UTF-32 codepoint to a UTF-8 string
 */
inline std::string utf32ToUtf8(uint32_t codepoint)
{
    std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> cvt;
    return cvt.to_bytes(codepoint);
}

/**
 * Encode data into base 64 encoding.