if (currentByte == std::char_traits<char>::eof())

return -1;

if (numBitsRemaining == 0) {

currentByte = input.get(); // Note: istream.get() returns int, not char

if (currentByte == std::char_traits<char>::eof())

return -1;

if (!(0 <= currentByte && currentByte <= 255))

throw std::logic_error("Assertion error");

numBitsRemaining = 8;

}

if (numBitsRemaining <= 0)

throw std::logic_error("Assertion error");

numBitsRemaining--;

return (currentByte >> numBitsRemaining) & 1;

int result = read();

if (result != -1)

return result;

else

throw std::runtime_error("End of stream");

if (b != 0 && b != 1)

throw std::domain_error("Argument must be 0 or 1");

currentByte = (currentByte << 1) | b;

numBitsFilled++;

if (numBitsFilled == 8) {

// Note: ostream.put() takes char, which may be signed/unsigned

if (std::numeric_limits<char>::is_signed)

currentByte -= (currentByte >> 7) << 8;

output.put(static_cast<char>(currentByte));

currentByte = 0;

numBitsFilled = 0;

}