value property

T value

获取值

Implementation

T get value {
  super.collect();
  if (_dirty) {
    dynamic currentValue = _excute();
    if (currentValue != _data) {
      _data = currentValue;

      /// 数据发生改变，
      Ref.update(() {}, UpdateOptions(refs: [this]));
    }
    _dirty = false;
  }
  return _data;
}

@override void value=(dynamic val)

data设置值，触发全部依赖的widget更新

Implementation

@override
set value(dynamic val) {
  print('app wrong: RefCompute set value 不能赋值！');
  throw new TypeError();
}