1. polymer
  2. polymer
  3. ChangeNotifier
  4. deliverChanges

method deliverChanges

bool deliverChanges()

Synchronously deliver pending changes. Returns true if any records were delivered, otherwise false.

Source 

bool deliverChanges() {
  var records = _records;
  _records = null;
  if (hasObservers && records != null) {
    _changes.add(new UnmodifiableListView<ChangeRecord>(records));
    return true;
  }
  return false;
}