Запись результатов в переменную после применения bitset<8>

cout << bitset<8>myString[0] << endl ;

std::string myString = "Hello world!";
 
std::vector<std::bitset<8>> myBitsetString;
for (auto ch : myString)
    myBitsetString.push_back(ch);
 
std::cout << "Char: " << myString.at(6) << std::endl;
std::cout << "Bitset of char: " << myBitsetString.at(6) << std::endl;
std::cout << "3th bit: " << myBitsetString.at(6)[3] << std::endl;
std::cout << "4th bit: " << myBitsetString.at(6)[4] << std::endl;

std::string myString = "Hello world!";
std::vector<std::bitset<8>> myBitsetString (myString.begin(), myString.end());
 
std::cout << "Char: " << myString.at(6) << std::endl;
std::cout << "Bitset of char: " << myBitsetString.at(6) << std::endl;
std::cout << "3th bit: " << myBitsetString.at(6)[3] << std::endl;
std::cout << "4th bit: " << myBitsetString.at(6)[4] << std::endl;

int main() {
   ifstream file("file.txt", ios::binary);
   char chars[12800];
   file.read(chars, 12800);
   count << chars << '\n';
   int a = (int)chars[191];
   count << a << '\n';
}

std::bitset<8> bitset = chars[191];
std::cout << "Char: " << chars[191] << std::endl;
std::cout << "Bitset of char: " << bitset << std::endl;
std::cout << "3th bit :" << bitset[3] << std::endl;

std::ifstream stream("file.txt", std::ios::binary);
std::vector<std::bitset<8>> myBitsetString;
stream >> std::noskipws;
std::copy(
    std::istream_iterator<char>(stream),
    std::istream_iterator<char>(),
    std::back_inserter(myBitsetString));
for (int i = 0; i < myBitsetString.size(); ++i)
{
    std::cout << "Char: " << static_cast<unsigned char>(myBitsetString.at(i).to_ulong()) << std::endl;
    std::cout << "Bitset of char: " << myBitsetString.at(i) << std::endl;
    std::cout << "3th bit of bitset: " << myBitsetString.at(i)[3] << std::endl; 
}