Make isEmpty a getter.

pkg/dartdoc/lib/src/client/search.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.
 
 /**
  * [SearchText] represent the search field text. The text is viewed in three
  * ways: [text] holds the original search text, used for performing
  * case-sensitive matches, [lowerCase] holds the lower-case search text, used
  * for performing case-insenstive matches, [camelCase] holds a camel-case
  * interpretation of the search text, used to order matches in camel-case.
  */
 class SearchText {
   final String text;
   final String lowerCase;
   final String camelCase;
 
   SearchText(String searchText)
       : text = searchText,
         lowerCase = searchText.toLowerCase(),
-        camelCase = searchText.isEmpty() ? ''
+        camelCase = searchText.isEmpty ? ''
             : '${searchText.substring(0, 1).toUpperCase()}'
               '${searchText.substring(1)}';
 
   int get length => text.length;
 
-  bool isEmpty() => length == 0;
+  bool get isEmpty => length == 0;
 }
 
 /**
  * [StringMatch] represents the case-insensitive matching of [searchText] as a
  * substring within a [text].
  */
 class StringMatch {
   final SearchText searchText;
   final String text;
   final int matchOffset;
@@ skipping 105 matching lines @@
     sb.add('</td></tr></table></td>');
     row.innerHTML = sb.toString();
   }
 }
 
 /**
  * Creates a [StringMatch] object for [text] if a substring matches
  * [searchText], or returns [: null :] if no match is found.
  */
 StringMatch obtainMatch(SearchText searchText, String text) {
-  if (searchText.isEmpty()) {
+  if (searchText.isEmpty) {
     return new StringMatch(searchText, text, 0, 0);
   }
   int offset = text.toLowerCase().indexOf(searchText.lowerCase);
   if (offset != -1) {
     return new StringMatch(searchText, text,
                            offset, offset + searchText.length);
   }
   return null;
 }
 
@@ skipping 52 matching lines @@
     // Sort type alphabetically.
     // TODO(4805): Use [:type.compareToIgnoreCase] when supported.
     result = a.type.toLowerCase().compareTo(b.type.toLowerCase());
     if (result != 0) return result;
   }
 
   // Sort match alphabetically.
   // TODO(4805): Use [:text.compareToIgnoreCase] when supported.
   return a.match.text.toLowerCase().compareTo(b.match.text.toLowerCase());
 }