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"); |
} |