loading property
Future<CollectionBase<TModel> > ?
loading
If load, reload or next is executed, it waits until the reading process is completed.
After reading, CollectionBase
itself is returned.
If load, reload or next is not in progress, Null is returned.
loadやreload、nextを実行した場合、その読込処理が終わるまで待ちます。
読込終了後、CollectionBase
自身が返されます。
Implementation
Future<CollectionBase<TModel>>? get loading => _loadCompleter?.future;