blob: 3b46266682a61d5e58f45fe9e3192358cafa0045 [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.async;
/**
* Indicates that loading of [libraryName] is deferred.
*
* This class is obsolete. Instead use the syntax:
* import "library.dart" deferred as prefix;
*/
@Deprecated("Dart sdk v. 1.8")
class DeferredLibrary {
final String libraryName;
final String uri;
const DeferredLibrary(this.libraryName, {this.uri});
/**
* Ensure that [libraryName] has been loaded.
*
* If the library fails to load, the Future will complete with a
* DeferredLoadException.
*/
Future<Null> load() {
// Dummy implementation that should eventually be replaced by real
// implementation.
Future future = new Future<Null>.value(null);
_loadedLibraries.add(libraryName);
return future;
}
}
/**
* Thrown when a deferred library fails to load.
*/
class DeferredLoadException implements Exception {
DeferredLoadException(this._s);
String toString() => "DeferredLoadException: '$_s'";
final String _s;
}