addAll method
A convenience method to add multiple children at once.
Implementation
Future<void> addAll(Iterable<Component> components) async {
List<Future<void>>? futures;
for (final component in components) {
final future = add(component);
if (future is Future) {
(futures ??= []).add(future);
}
}
if (futures != null) {
await Future.wait(futures);
}
}