Fix MISSING_RETURN error in concat.dart (#476)

* Fix MISSING_RETURN error in concat.dart * Return null instead * dartfmt
google · Aug 13, 2018 · 54f6693 · 54f6693
1 parent a0a2ddc
commit 54f6693
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/src/async/concat.dart b/lib/src/async/concat.dart
@@ -71,7 +71,10 @@ class _ConcatStream<T> extends Stream<T> {
     }, onResume: () {
       if (currentSubscription != null) currentSubscription.resume();
     }, onCancel: () {
-      if (currentSubscription != null) return currentSubscription.cancel();
+      if (currentSubscription != null)
+        return currentSubscription.cancel();
+      else
+        return null;
     });
 
     nextStream();