Remove insertRange.

sdk/lib/core/list.dart

 // Copyright (c) 2012, 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.core;
 
 /**
  * A [List] is an indexable collection with a length.
  *
  * A `List` implementation can choose not to support all methods
@@ skipping 246 matching lines @@
    *     var list = [1, 2, 3, 4, 5];
    *     var range = list.getRange(1, 4);
    *     print(range.join(', '));  // => 2, 3, 4
    *     list.length = 3;
    *     print(range.join(', '));  // => 2, 3
    */
   Iterable<E> getRange(int start, int end);
 
   /**
    * Copies the elements of [iterable], skipping the [skipCount] first elements
-   * into the range [start] - [end] of `this`.
+   * into the range [start] - [end] (excluding) of `this`.
    *
    * If [start] equals [end] and represent a legal range, this method has
    * no effect.
    *
    * It is an error if [start]..[end] is not a valid range pointing into the
    * `this`.
    *
    * It is an error if the [iterable] does not have enough elements after
    * skipping [skipCount] elements.
    */
   void setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]);
 
   /**
-   * Removes [length] elements from the list, beginning at [start].
-   * Throws an [UnsupportedError] if the list is
-   * not extendable.
-   * If [length] is 0, this method does not do anything.
-   * Throws an [ArgumentError] if [length] is negative.
-   * Throws an [RangeError] if [start] or
-   * [:start + length: - 1] are out of range.
+   * Removes the elements in the range [start]..[end] (excluding).
+   *
+   * It is an error if [start]..[end] is not a valid range pointing into the
+   * `this`.
    */
-  void removeRange(int start, int length);
-
-  /**
-   * Inserts a new range into the list, starting from [start] to
-   * [:start + length - 1:]. The entries are filled with [fill].
-   * Throws an [UnsupportedError] if the list is
-   * not extendable.
-   * If [length] is 0, this method does not do anything.
-   * If [start] is the length of the list, this method inserts the
-   * range at the end of the list.
-   * Throws an [ArgumentError] if [length] is negative.
-   * Throws an [RangeError] if [start] is negative or if
-   * [start] is greater than the length of the list.
-   */
-  void insertRange(int start, int length, [E fill]);
+  void removeRange(int start, int end);
 
   /**
    * Returns an unmodifiable [Map] view of `this`.
    *
    * It has the indices of this list as keys, and the corresponding elements
    * as values.
    */
   Map<int, E> asMap();
 }