Commit Martin's patch for pub + lib_v2.

utils/archive/reader.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.
 
 library reader;
 
 import 'input_stream.dart';
 import 'options.dart';
 import 'read_request.dart';
 import 'utils.dart';
@@ skipping 39 matching lines @@
                     options = new ArchiveOptions();
 
   /**
    * Begins extracting from [file].
    *
    * [block_size] only needs to be specified for reading from devices that
    * require strict I/O blocking.
    */
   Future<ArchiveInputStream> openFilename(String file, [int block_size=16384]) {
     var id;
-    return _createArchive().chain((_id) {
+    return _createArchive().then((_id) {
       id = _id;
       return call(OPEN_FILENAME, id, [file, block_size]);
     }).then((_) => new ArchiveInputStream(id));
   }
 
   /** Begins extracting from [data], which should be a list of bytes. */
   Future<ArchiveInputStream> openData(List<int> data) {
     var id;
-    return _createArchive().chain((_id) {
+    return _createArchive().then((_id) {
       id = _id;
       return call(OPEN_MEMORY, id, [bytesForC(data)]);
     }).then((_) => new ArchiveInputStream(id));
   }
 
   /**
    * Creates an archive struct, applies all the configuration options to it, and
    * returns its id.
    */
   Future<int> _createArchive() {
-    return call(NEW).chain((id) {
+    return call(NEW).then((id) {
       if (id == 0 || id == null) {
         throw new ArchiveException("Archive is invalid or closed.");
       }
       return _pushConfiguration(id).then((_) => id);
     });
   }
 
   /**
    * Applies all configuration in this archive to the archive identified by
    * [id]. Returns a future that completes once all the configuration is
@@ skipping 199 matching lines @@
   /**
    * Options for individual formats. See [the libarchive documentation][wiki]
    * for a list of available options.
    *
    * [wiki]: https://github.com/libarchive/libarchive/wiki/ManPageArchiveReadSetOptions3
    */
   final ArchiveOptions options;
 
   Format._() : options = new ArchiveOptions();
 }