Support closures inside initializers.

tests/language/function_syntax_test.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.
 
 // Tests function statement and expression syntax.
 
 class FunctionSyntaxTest {
 
   static void testMain
 /* /// 00: compile-time error
@@ skipping 452 matching lines @@
     expectEvaluatesTo(2, ()=> 1 + 1);
     expectEvaluatesTo(1, ()=> 2 - 1);
 
     // Multiplicative.
     expectEvaluatesTo(2, ()=> 1 * 2);
     expectEvaluatesTo(2.0, ()=> 4 / 2);
     expectEvaluatesTo(2, ()=> 4 ~/ 2);
     expectEvaluatesTo(0, ()=> 4 % 2);
 
     // Negate.
-    expectEvaluatesTo(-3, ()=> ~2);
     expectEvaluatesTo(false, ()=> !true);
 
     // Postfix / prefix.
     var y = 0;
     expectEvaluatesTo(0, ()=> y++);
     expectEvaluatesTo(2, ()=> ++y);
     expectEvaluatesTo(1, ()=> --y);
     expectEvaluatesTo(1, ()=> y--);
     Expect.equals(0, y);
 
@@ skipping 138 matching lines @@
 
 }
 
 main
 /* /// 74: compile-time error
 ()
 */ /// 74: continued
  {
   FunctionSyntaxTest.testMain();
 }