void addAll()

in lib/src/queue_list.dart [86:114]

• 27 lines of code
• 5 McCabe index (conditional complexity)

  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);
      }
    }
  }