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packages/polymer_expressions/lib/visitor.dart

 // Copyright (c) 2013, 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.
 
 library polymer_expressions.visitor;
 
 import 'expression.dart';
 
 abstract class Visitor {
   visit(Expression s) => s.accept(this);
@@ skipping 113 matching lines @@
     visit(c.right);
     visitExpression(c);
   }
 
   visitAsExpression(AsExpression c) {
     visit(c.left);
     visit(c.right);
     visitExpression(c);
   }
 }