Index: sdk/lib/collection/list.dart |
diff --git a/sdk/lib/collection/list.dart b/sdk/lib/collection/list.dart |
index eed6b32cefb5966d4803b52e881d8b85e1401697..a22da23beb4a8ef700ebcc37e7673c779b2acd00 100644 |
--- a/sdk/lib/collection/list.dart |
+++ b/sdk/lib/collection/list.dart |
@@ -462,6 +462,8 @@ abstract class ListMixin<E> implements List<E> { |
throw new RangeError.range(index, 0, length); |
} |
// TODO(floitsch): we can probably detect more cases. |
+ // TODO(lrn): How about having a marker interface that promises that length |
floitsch
2013/10/15 15:28:05
That should be done now.
|
+ // is efficient? List implements EfficientLength. |
if (iterable is! List && iterable is! Set && iterable is! SubListIterable) { |
iterable = iterable.toList(); |
} |