| Index: sdk/lib/async/stream_transformers.dart
|
| diff --git a/sdk/lib/async/stream_transformers.dart b/sdk/lib/async/stream_transformers.dart
|
| index e0982da4260ec621621a82b526aa21dac87f2be4..7542c6b88cde43029d1fca046d99781dac558250 100644
|
| --- a/sdk/lib/async/stream_transformers.dart
|
| +++ b/sdk/lib/async/stream_transformers.dart
|
| @@ -109,7 +109,7 @@ class _SinkTransformerStreamSubscription<S, T>
|
| if (_isSubscribed) {
|
| StreamSubscription subscription = _subscription;
|
| _subscription = null;
|
| - subscription.cancel();
|
| + return subscription.cancel();
|
| }
|
| return null;
|
| }
|
|
|