BehaviorSubject<T>.seeded constructor

BehaviorSubject<T>.seeded(
  1. T seedValue,
  2. {void onListen(
      ),
    1. void onCancel(
        ),
      1. bool sync: false}
      )

      Constructs a BehaviorSubject, optionally pass handlers for onListen, onCancel and a flag to handle events sync.

      seedValue becomes the current value and is emitted immediately.

      See also StreamController.broadcast

      Implementation

      factory BehaviorSubject.seeded(
        T seedValue, {
        void Function() onListen,
        void Function() onCancel,
        bool sync = false,
      }) {
        // ignore: close_sinks
        final controller = StreamController<T>.broadcast(
          onListen: onListen,
          onCancel: onCancel,
          sync: sync,
        );
      
        final wrapper = _Wrapper<T>.seeded(seedValue);
      
        return BehaviorSubject<T>._(
          controller,
          Rx.defer<T>(_deferStream(wrapper, controller, sync), reusable: true),
          wrapper,
        );
      }