*<Null safety>*
void addAll (Iterable<E> iterable) override
@override void addAll(Iterable<E> iterable) { if (iterable is List) { var list = iterable; var addCount = list.length; var length = this.length; if (length + addCount >= _table.length) { _preGrow(length + addCount); // After preGrow, all elements are at the start of the list. _table.setRange(length, length + addCount, list, 0); _tail += addCount; } else { // Adding addCount elements won't reach _head. var endSpace = _table.length - _tail; if (addCount < endSpace) { _table.setRange(_tail, _tail + addCount, list, 0); _tail += addCount; } else { var preSpace = addCount - endSpace; _table.setRange(_tail, _tail + endSpace, list, 0); _table.setRange(0, preSpace, list, endSpace); _tail = preSpace; } } } else { for (var element in iterable) { _add(element); } } }