Adds support for remaining generic method syntax constructs.

tests/language/generic_methods_test.dart

 // Copyright (c) 2016, 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.
 
+/// Dart test verifying that the parser can handle type parameterization of
+/// method declarations and method invocations. Slightly adjusted version of
+/// code from DEP #22.
+
+library generic_methods_test;
+
 import "package:expect/expect.dart";
 
-// Dart test verifying that the parser can handle type parameterization of
-// method declarations and method invocations. Slightly adjusted version of
-// code from DEP #22.
-
 class BinaryTreeNode<K extends Comparable<K>, V> {
   final K _key;
   final V _value;
   final BinaryTreeNode<K, V> _left;
   final BinaryTreeNode<K, V> _right;
 
   BinaryTreeNode(this._key, this._value,
       {BinaryTreeNode<K, V> left: null, BinaryTreeNode<K, V> right: null}) :
           _left = left, _right = right;
 
@@ skipping 77 matching lines @@
 
   sT = sT.insert(0, "");
   sT = sT.insert(1, " ");
   sT = sT.insert(2, "  ");
   sT = sT.insert(3, "   ");
 
   BinaryTree<num, num> iT = sT.map<num>((String s) => s.length);
 
   Expect.equals(iT.foldPre<num>(0, (int i, num s) => i + s), 6);
 }