Make getKeys, getValues getters (keys, values).

utils/pub/yaml/composer.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.
 
 /**
  * Takes a parsed YAML document (what the spec calls the "serialization tree")
  * and resolves aliases, resolves tags, and parses scalars to produce the
  * "representation graph".
  */
 class _Composer extends _Visitor {
@@ skipping 41 matching lines @@
       }
       return setAnchor(scalar, parseString(scalar.content));
     }
 
     // TODO(nweiz): support the full YAML type repository
     var tagParsers = {
       'null': parseNull, 'bool': parseBool, 'int': parseInt,
       'float': parseFloat, 'str': parseString
     };
 
-    for (var key in tagParsers.getKeys()) {
+    for (var key in tagParsers.keys) {
       if (scalar.tag.name != _Tag.yaml(key)) continue;
       var result = tagParsers[key](scalar.content);
       if (result != null) return setAnchor(scalar, result);
       throw new YamlException('invalid literal for $key: "${scalar.content}"');
     }
 
     throw new YamlException('undefined tag: "${scalar.tag.name}"');
   }
 
   /** Assigns a tag to the sequence and recursively composes its contents. */
@@ skipping 99 matching lines @@
           value: Math.parseDouble("NaN"));
     }
 
     return null;
   }
 
   /** Parses a string scalar. */
   _ScalarNode parseString(String content) =>
     new _ScalarNode(_Tag.yaml("str"), value: content);
 }