Index: sdk/lib/core/string_sink.dart |
diff --git a/sdk/lib/core/string_sink.dart b/sdk/lib/core/string_sink.dart |
index 1e1647edeee24711cb62f680fdf6974dd89c649d..16c9f4fecb84453b5b16279490a371cd89ce7bbd 100644 |
--- a/sdk/lib/core/string_sink.dart |
+++ b/sdk/lib/core/string_sink.dart |
@@ -15,7 +15,7 @@ abstract class StringSink { |
/** |
* Iterates over the given [objects] and [write]s them in sequence. |
*/ |
- void writeAll(Iterable objects); |
+ void writeAll(Iterable objects, [String separator = ""]); |
/** |
* Converts [obj] to a String by invoking `toString` and adds the result to |