Add List.insert.

sdk/lib/_collection_dev/list.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart._collection.dev;
 
 /**
  * Class implementing the read-operations on [List].
  *
  * Implements all read-only operations, except [:operator[]:] and [:length:],
@@ skipping 72 matching lines @@
   void add(E value) {
     throw new UnsupportedError(
         "Cannot add to a fixed-length list");
   }
 
   void addLast(E value) {
     throw new UnsupportedError(
         "Cannot add to a fixed-length list");
   }
 
+  void insert(int index, E value) {
+    throw new UnsupportedError(
+        "Cannot add to a fixed-length list");
+  }
+
   void addAll(Iterable<E> iterable) {
     throw new UnsupportedError(
         "Cannot add to a fixed-length list");
   }
 
   void remove(E element) {
     throw new UnsupportedError(
         "Cannot remove from a fixed-length list");
   }
 
@@ skipping 61 matching lines @@
   void add(E value) {
     throw new UnsupportedError(
         "Cannot add to an unmodifiable list");
   }
 
   void addLast(E value) {
     throw new UnsupportedError(
         "Cannot add to an unmodifiable list");
   }
 
+  E insert(int index, E value) {
+    throw new UnsupportedError(
+        "Cannot add to an unmodifiable list");
+  }
+
   void addAll(Iterable<E> iterable) {
     throw new UnsupportedError(
         "Cannot add to an unmodifiable list");
   }
 
   void remove(E element) {
     throw new UnsupportedError(
         "Cannot remove from an unmodifiable list");
   }
 
@@ skipping 86 matching lines @@
   int operator[](int i) => _string.codeUnitAt(i);
 }
 
 class _ListIndicesIterable extends ListIterable<int> {
   List _backedList;
 
   _ListIndicesIterable(this._backedList);
 
   int get length => _backedList.length;
   int elementAt(int index) {
-    if (index < 0 || index >= length) throw new RangeError(index);
+    if (index < 0 || index >= length) {
+      throw new RangeError.range(index, 0, length);
+    }
     return index;
   }
 }
 
 class ListMapView<E> implements Map<int, E> {
   List<E> _values;
 
   ListMapView(this._values);
 
   E operator[] (int key) => containsKey(key) ? _values[key] : null;
@@ skipping 25 matching lines @@
   }
 
   E remove(int key) {
     throw new UnsupportedError("Cannot modify an unmodifiable map");
   }
 
   void clear() {
     throw new UnsupportedError("Cannot modify an unmodifiable map");
   }
 }