Function isUtf8

lib/token.h:798–801

    }

    bool isUtf8() const {
        return (((mTokType == eString) && isPrefixStringCharLiteral(mStr, '"', "u8")) ||
                ((mTokType == eChar) && isPrefixStringCharLiteral(mStr, '\'', "u8")));
    }

    bool isUtf16() const {
        return (((mTokType == eString) && isPrefixStringCharLiteral(mStr, '"', "u")) ||