changes method

@override bool changes(Map x)

Implementation

@override
bool changes(Map x) {
  var r = {};
  for (var i in _members.values) {
    i.changes(r);
  }
  if (r.isNotEmpty) {
    if (_key != null) {
      r['key'] = _key;
    }
    x[name] = r;
    return true;
  }
  return false;
}