moveToIndex method

void moveToIndex(
  1. int oldIndex,
  2. int newIndex
)

Moves element to given newIndex.

Notifies listeners afterwards.

Implementation

void moveToIndex(int oldIndex, int newIndex) => update(() {
      if (newIndex > oldIndex) newIndex--;
      final item = _list.removeAt(oldIndex);
      _list.insert(newIndex, item);
    });