Index: samples/swarm/swarmlib.dart |
diff --git a/samples/swarm/swarmlib.dart b/samples/swarm/swarmlib.dart |
index 64f6a80d25117a74837a2b1fc4dd1acdcd274c31..2ff4d0418de62500a71d2948f0f76b90f4233fb6 100644 |
--- a/samples/swarm/swarmlib.dart |
+++ b/samples/swarm/swarmlib.dart |
@@ -8,6 +8,7 @@ import 'dart:async'; |
import 'dart:json' as json; |
import 'dart:html'; |
import 'dart:math' as Math; |
+import 'dart:collection'; |
import 'swarm_ui_lib/base/base.dart'; |
import 'swarm_ui_lib/view/view.dart'; |
import 'swarm_ui_lib/observable/observable.dart'; |