pkg/shelf: formatted code

lib/src/util.dart

 // Copyright (c) 2014, 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 shelf.util;
 
 import 'dart:async';
 
 import 'package:stack_trace/stack_trace.dart';
 
@@ skipping 20 matching lines @@
 /// Returns a [Map] with the values from [original] and the values from
 /// [updates].
 ///
 /// For keys that are the same between [original] and [updates], the value in
 /// [updates] is used.
 ///
 /// If [updates] is `null` or empty, [original] is returned unchanged.
 Map updateMap(Map original, Map updates) {
   if (updates == null || updates.isEmpty) return original;
 
-  return new Map.from(original)
-      ..addAll(updates);
+  return new Map.from(original)..addAll(updates);
 }