$packString method
Implementation
void $packString(String value) {
final Uint8List bytes = _utf8.encoder.convert(value);
_data!.buffer.asByteData().setUint32(_offset, bytes.length, Endian.big);
_offset += 4;
for (int i = 0; i < bytes.length; i++) {
_data!.buffer.asByteData().setInt8(_offset++, bytes[i]);
}
}