Move toString() to collection classes.

sdk/lib/_collection_dev/iterable.dart

Index: sdk/lib/_collection_dev/iterable.dart
diff --git a/sdk/lib/_collection_dev/iterable.dart b/sdk/lib/_collection_dev/iterable.dart
index 6e1e5ecb7c1b79be349de5fd215359d8294a6b0e..2f7746f85def3dd70607e1197333df0541d70892 100644
--- a/sdk/lib/_collection_dev/iterable.dart
+++ b/sdk/lib/_collection_dev/iterable.dart
@@ -895,6 +895,38 @@ class IterableMixinWorkaround {
     return buffer.toString();
   }
 
+  static String toStringIterable(Iterable iterable) {
+    var result = new StringBuffer();

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

Move checking of recursive iterables in here.

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

Done.

+
+    result.write('{');
+    bool first = true;
+    for (var e in iterable) {
+      if (!first) {
+        result.write(', ');
+      }
+      first = false;
+      result.write(e);
+    }
+    result.write('}');
+      
+    return result.toString();      
+  }
+  
+  static String toStringList(List list) {

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

Move checking of recursive lists in here.

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

Done.

+    var result = new StringBuffer();
+    result.write('[');
+    for (int i = 0; i < list.length; i++) {
+      if (i > 0) {
+        result.write(', ');
+      }
+      result.write(list[i]);
+    }
+    result.write(']');
+    
+    return result.toString();
+  }
+ 
+
   static Iterable where(Iterable iterable, bool f(var element)) {
     return new WhereIterable(iterable, f);
   }
@@ -982,6 +1014,7 @@ class IterableMixinWorkaround {
       otherList = from.skip(skipCount).toList(growable: false);
       otherStart = 0;
     }
+    
     if (otherStart + length > otherList.length) {
       throw new StateError("Not enough elements");
     }