- @override
Closes the sink.
The add
method must not be called after this method.
Calling this method more than once is allowed, but does nothing.
Source
@override Future close() async { if (!_outboundController.hasListener) { _outboundController.stream.listen(null); } if (!_inboundController.hasListener) { _inboundController.stream.listen(null); } await _outboundController.close(); await _inboundController.close(); }