Run dartfmt on pkg/front_end/lib.

pkg/front_end/lib/src/fasta/util/link.dart

 // Copyright (c) 2011, 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 fasta.util.link;
 
-import 'link_implementation.dart' show
-    LinkBuilderImplementation,
-    LinkEntry,
-    LinkIterator,
-    MappedLinkIterable;
+import 'link_implementation.dart'
+    show LinkBuilderImplementation, LinkEntry, LinkIterator, MappedLinkIterable;
 
 class Link<T> implements Iterable<T> {
   T get head => throw new StateError("no elements");
   Link<T> get tail => null;
 
   const Link();
 
   Link<T> prepend(T element) {
     return new LinkEntry<T>(element, this);
   }
@@ skipping 107 matching lines @@
   //
   // Unsupported Iterable<T> methods.
   //
   bool any(bool f(T e)) => _unsupported('any');
   T elementAt(int i) => _unsupported('elementAt');
   Iterable<K> expand<K>(Iterable<K> f(T e)) => _unsupported('expand');
   T firstWhere(bool f(T e), {T orElse()}) => _unsupported('firstWhere');
   K fold<K>(K initialValue, K combine(K value, T element)) {
     return _unsupported('fold');
   }
+
   T get last => _unsupported('get:last');
   T lastWhere(bool f(T e), {T orElse()}) => _unsupported('lastWhere');
   String join([separator = '']) => _unsupported('join');
   T reduce(T combine(T a, T b)) => _unsupported('reduce');
   T singleWhere(bool f(T e)) => _unsupported('singleWhere');
   Iterable<T> skipWhile(bool f(T e)) => _unsupported('skipWhile');
   Iterable<T> take(int n) => _unsupported('take');
   Iterable<T> takeWhile(bool f(T e)) => _unsupported('takeWhile');
   Set<T> toSet() => _unsupported('toSet');
   Iterable<T> where(bool f(T e)) => _unsupported('where');
@@ skipping 22 matching lines @@
 
   /// Returns the number of elements in the list being built.
   final int length;
 
   /// Returns `true` if the list being built is empty.
   final bool isEmpty;
 
   /// Removes all added elements and resets the builder.
   void clear();
 }