A helper function to speed up creation of V8 wrappers for DOM Nodes.

include/v8.h

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
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 };
 
 
 /**
  * An instance of the built-in array constructor (ECMA-262, 15.4.2).
  */
 class V8EXPORT Array : public Object {
  public:
   uint32_t Length() const;
 
+  /**
+   * Clones an element at index |index|.  Returns an empty
+   * handle if cloning fails (for any reason).
+   */
+  Local<Object> CloneElementAt(uint32_t index);
+
   static Local<Array> New(int length = 0);
   static Array* Cast(Value* obj);
  private:
   Array();
 };
 
 
 /**
  * A JavaScript function object (ECMA-262, 15.3).
  */
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 }  // namespace v8
 
 
 #undef V8EXPORT
 #undef V8EXPORT_INLINE
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_