Format all dart: library files

sdk/lib/core/iterable.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.
 
 part of dart.core;
 
 /**
  * A collection of values, or "elements", that can be accessed sequentially.
  *
  * The elements of the iterable are accessed by getting an [Iterator]
@@ skipping 174 matching lines @@
    *
    *     var pairs = [[1, 2], [3, 4]];
    *     var flattened = pairs.expand((pair) => pair).toList();
    *     print(flattened); // => [1, 2, 3, 4];
    *
    *     var input = [1, 2, 3];
    *     var duplicated = input.expand((i) => [i, i]).toList();
    *     print(duplicated); // => [1, 1, 2, 2, 3, 3]
    *
    */
-  Iterable<T> expand<T>(Iterable<T> f(E element)) =>
-      new ExpandIterable<E, T>(this, f);
+  Iterable<T>
+      expand<T>(Iterable<T> f(E element)) => new ExpandIterable<E, T>(this, f);
 
   /**
    * Returns true if the collection contains an element equal to [element].
    *
    * This operation will check each element in order for being equal to
    * [element], unless it has a more efficient way to find an element
    * equal to [element].
    *
    * The equality used to determine whether [element] is equal to an element of
    * the iterable defaults to the [Object.==] of the element.
@@ skipping 438 matching lines @@
  */
 abstract class BidirectionalIterator<E> implements Iterator<E> {
   /**
    * Move back to the previous element.
    *
    * Returns true and updates [current] if successful. Returns false
    * and sets [current] to null if there is no previous element.
    */
   bool movePrevious();
 }