Create fewer unnecessary lists

pkg/analyzer/lib/src/generated/ast.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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.ast;
 
 import 'dart:collection';
@@ skipping 6890 matching lines @@
  *
  * <pre>
  * expression ::=
  *     [AssignmentExpression]
  *   | [ConditionalExpression] cascadeSection*
  *   | [ThrowExpression]
  * </pre>
  */
 abstract class Expression extends AstNode {
   /**
-   * An empty array of expressions.
+   * An empty list of expressions.
    */
-  static List<Expression> EMPTY_ARRAY = new List<Expression>(0);
+  static const List<Expression> EMPTY_ARRAY = const <Expression>[];
 
   /**
    * The static type of this expression, or `null` if the AST structure has not been resolved.
    */
   DartType staticType;
 
   /**
    * The propagated type of this expression, or `null` if type propagation has not been
    * performed on the AST structure.
    */
@@ skipping 13230 matching lines @@
   static NodeList create(AstNode owner) => new NodeList(owner);
 
   /**
    * The node that is the parent of each of the elements in the list.
    */
   AstNode owner;
 
   /**
    * The elements contained in the list.
    */
-  List<E> _elements = <E> [];
+  List<E> _elements = <E>[];
 
   /**
    * Initialize a newly created list of nodes to be empty.
    *
    * @param owner the node that is the parent of each of the elements in the list
    */
   NodeList(this.owner);
 
   /**
    * Use the given visitor to visit each of the nodes in this list.
@@ skipping 75 matching lines @@
     return removedNode;
   }
   void operator[]=(int index, E node) {
     if (index < 0 || index >= _elements.length) {
       throw new RangeError("Index: $index, Size: ${_elements.length}");
     }
     owner.becomeParentOf(node);
     _elements[index] = node;
   }
   void clear() {
-    _elements = <E> [];
+    _elements = <E>[];
   }
   int get length => _elements.length;
   void set length(int value) {
     throw new UnsupportedError("Cannot resize NodeList.");
   }
 }