Chromium Code Reviews| Index: sdk/lib/io/io_sink.dart |
| diff --git a/sdk/lib/io/io_sink.dart b/sdk/lib/io/io_sink.dart |
| index d8b78fd4bc914f4b11f727b2032bb4161c3ab2da..7c564fae6b7f5df6a76d6c53330f2c1fdad8533c 100644 |
| --- a/sdk/lib/io/io_sink.dart |
| +++ b/sdk/lib/io/io_sink.dart |
| @@ -98,7 +98,7 @@ class _IOSinkImpl<T> implements IOSink<T> { |
| for (Object obj in objects) write(obj); |
| } |
| - void writeln(Object obj) { |
| + void writeln([Object obj = ""]) { |
| write(obj); |
| write("\n"); |
| } |