Move toString() to collection classes.

sdk/lib/collection/linked_list.dart

Index: sdk/lib/collection/linked_list.dart
diff --git a/sdk/lib/collection/linked_list.dart b/sdk/lib/collection/linked_list.dart
index a9c898969429e27cbe854b7cf577c6acfb06c7bc..19817f3875d424e3f5b6f76a0d032b50189612c2 100644
--- a/sdk/lib/collection/linked_list.dart
+++ b/sdk/lib/collection/linked_list.dart
@@ -14,6 +14,8 @@ part of dart.collection;
 class LinkedList<E extends LinkedListEntry<E>>
     extends IterableBase<E>
     implements _LinkedListLink {
+  static List _toStringList = new List();
+      
   int _modificationCount = 0;
   int _length = 0;
   _LinkedListLink _next;
@@ -60,7 +62,16 @@ class LinkedList<E extends LinkedListEntry<E>>
 
   Iterator<E> get iterator => new _LinkedListIterator<E>(this);
 
-  String toString() => ToString.iterableToString(this);
+  String toString() {
+    for(int i = 0; i < _toStringList.length; i++) {

[floitsch, 2013/07/08 12:00:50]

Simple call to IterableMixinWorkaround.
Add TODO that this should be removed, since it should be inherited by
IterableMixin.

[zarah, 2013/07/08 14:35:15]

Done.

+      if(identical(_toStringList[i], this))
+          return '{...}';
+    }
+    _toStringList.add(this);
+    String result = IterableMixinWorkaround.toStringIterable(this);
+    _toStringList.remove(this);
+    return result;
+  }
 
   int get length => _length;