blob: fb9a94b8832dcbfb685b08ca6d39ab0750444a8e [file] [log] [blame]
// 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;
* An unmodifiable [List] view of another List.
* The source of the elements may be a [List] or any [Iterable] with
* efficient [Iterable.length] and [Iterable.elementAt].
class UnmodifiableListView<E> extends UnmodifiableListBase<E> {
final Iterable<E> _source;
/** Create an unmodifiable list backed by [source]. */
UnmodifiableListView(Iterable<E> source) : _source = source;
int get length => _source.length;
E operator[](int index) => _source.elementAt(index);