Method appendBits

3rdparty/QR-Code-generator/cpp/qrcodegen.cpp:823–828

void BitBuffer::appendBits(std::uint32_t val, int len) {
	if (len < 0 || len > 31 || val >> len != 0)
		throw std::domain_error("Value out of range");
	for (int i = len - 1; i >= 0; i--)  // Append bit by bit
		this->push_back(((val >> i) & 1) != 0);
}

}