runtime/lib/string_patch.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.

patch class String {
  /* patch */ factory String.fromCharCodes(List<int> charCodes) {
    return _StringBase.createFromCharCodes(charCodes);
  }
}