size property

int get size

@override
int get size => _data.length;

set size (int value)

@override
set size(int value) {
  if (value < _data.length) {
    _data.removeRange(value, _data.length);
  } else {
    while (_data.length < value) {
      _data.add(0);
    }
  }
  if (position > _data.length) position = _data.length;
}