insertItemAwaitable method

Future<void> insertItemAwaitable(
  1. int index, {
  2. Duration duration = const Duration(milliseconds: 300),
})

Implementation

Future<void> insertItemAwaitable(int index, {Duration duration = const Duration(milliseconds: 300)}) async {
  await Future.wait([
    Future.delayed(duration),
    Future(() => insertItem(index, duration: duration))
  ]);
}