Update list.dart

MetalDent · commit-bot@chromium.org · commit 3729f0d56f5c · 2019-08-16T14:08:37.000Z
This PR fixes #37262. Closes #37436 #37436 GitOrigin-RevId: ee7cbdf Change-Id: I6fcea0f9bec1b52e66d1674e0fa0dec1bdcdf4d4 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/108180 Reviewed-by: Lasse R.H. Nielsen <lrn@google.com> Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
diff --git a/sdk/lib/core/list.dart b/sdk/lib/core/list.dart
@@ -719,4 +719,13 @@ abstract class List<E> implements EfficientLengthIterable<E> {
    *     map.keys.toList(); // [0, 1, 2, 3]
    */
   Map<int, E> asMap();
+
+  /**
+  * Whether this list is equal to [other].
+  *
+  * Lists are, by default, only equal to themselves.
+  * Even if [other] is also a list, the equality comparison
+  * does not compare the elements of the two lists.
+  */
+ bool operator ==(Object other);
 }
