Format all dart: library files

sdk/lib/collection/set.dart

Index: sdk/lib/collection/set.dart
diff --git a/sdk/lib/collection/set.dart b/sdk/lib/collection/set.dart
index 806aa809bc5e8412bb6d413eaafeb0f541433e94..7776655f3e5c0ef42777b6b170e2b986b1902027 100644
--- a/sdk/lib/collection/set.dart
+++ b/sdk/lib/collection/set.dart
@@ -113,15 +113,15 @@ abstract class SetMixin<E> implements Set<E> {
   }
 
   List<E> toList({bool growable: true}) {
-    List<E> result = growable ? (new List<E>()..length = length)
-                              : new List<E>(length);
+    List<E> result =
+        growable ? (new List<E>()..length = length) : new List<E>(length);
     int i = 0;
     for (E element in this) result[i++] = element;
     return result;
   }
 
-  Iterable<T> map<T>(T f(E element)) =>
-      new EfficientLengthMappedIterable<E, T>(this, f);
+  Iterable<T> map<T>(T f(E element)) => new EfficientLengthMappedIterable<E, T>(
+      this, f);
 
   E get single {
     if (length > 1) throw IterableElementError.tooMany();
@@ -138,8 +138,8 @@ abstract class SetMixin<E> implements Set<E> {
 
   Iterable<E> where(bool f(E element)) => new WhereIterable<E>(this, f);
 
-  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);
 
   void forEach(void f(E element)) {
     for (E element in this) f(element);
@@ -157,8 +157,7 @@ abstract class SetMixin<E> implements Set<E> {
     return value;
   }
 
-  T fold<T>(T initialValue,
-      T combine(T previousValue, E element)) {
+  T fold<T>(T initialValue, T combine(T previousValue, E element)) {
     var value = initialValue;
     for (E element in this) value = combine(value, element);
     return value;
@@ -228,11 +227,11 @@ abstract class SetMixin<E> implements Set<E> {
     E result;
     do {
       result = it.current;
-    } while(it.moveNext());
+    } while (it.moveNext());
     return result;
   }
 
-  E firstWhere(bool test(E value), { E orElse() }) {
+  E firstWhere(bool test(E value), {E orElse()}) {
     for (E element in this) {
       if (test(element)) return element;
     }
@@ -240,7 +239,7 @@ abstract class SetMixin<E> implements Set<E> {
     throw IterableElementError.noElement();
   }
 
-  E lastWhere(bool test(E value), { E orElse() }) {
+  E lastWhere(bool test(E value), {E orElse()}) {
     E result = null;
     bool foundMatching = false;
     for (E element in this) {