// 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.

// Imported by deferred_function_test.dart and
// deferred_semantics_test.dart.

library deferred_function_library;

foo(x) {
  print('foo($x)');
  return 42;
}
