Index: sdk/lib/_collection_dev/collection_dev.dart |
diff --git a/sdk/lib/_collection_dev/collection_dev.dart b/sdk/lib/_collection_dev/collection_dev.dart |
index 175fc01e495d07f09d3668b76ae3cfd7e5ba9c6a..30a7c5ce678b3849bd2bb154f029666a247b222c 100644 |
--- a/sdk/lib/_collection_dev/collection_dev.dart |
+++ b/sdk/lib/_collection_dev/collection_dev.dart |
@@ -9,10 +9,11 @@ import 'dart:collection'; |
import 'dart:core' hide Symbol; |
import 'dart:core' as core; |
import 'dart:math' show Random; |
+import 'dart:collection' show HashSet; |
part 'arrays.dart'; |
part 'iterable.dart'; |
part 'list.dart'; |
part 'sort.dart'; |
part 'symbol.dart'; |
-part 'to_string.dart'; |
+ |