#ifndef BOOST_POINTER_TO_OTHER_HPP_INCLUDED

 #define BOOST_POINTER_TO_OTHER_HPP_INCLUDED

 //

 //  pointer_to_other.hpp

 //

 //  (C) Copyright Ion Gaztaņaga 2005.

 //  Copyright (c) 2005 Peter Dimov.

 //

 //  Distributed under the Boost Software License, Version 1.0.

 //

 //  (See accompanying file LICENSE_1_0.txt or copy at 

 //  http://www.boost.org/LICENSE_1_0.txt)

 //

 //  See http://www.boost.org/libs/smart_ptr/pointer_to_other.html

 //

 namespace boost

 {

 // Defines the same pointer type (raw or smart) to another pointee type

 template<class T, class U>

 struct pointer_to_other;

 template<class T, class U, 

          template<class> class Sp>

 struct pointer_to_other< Sp<T>, U >

 {

    typedef Sp<U> type;

 };

 template<class T, class T2, class U, 

          template<class, class> class Sp>

 struct pointer_to_other< Sp<T, T2>, U >

 {

    typedef Sp<U, T2> type;

 };

 template<class T, class T2, class T3, class U, 

          template<class, class, class> class Sp>

 struct pointer_to_other< Sp<T, T2, T3>, U >

 {

    typedef Sp<U, T2, T3> type;

 };

 template<class T, class U>

 struct pointer_to_other< T*, U >

 {

    typedef U* type;

 };

 } // namespace boost

 #endif // #ifndef BOOST_POINTER_TO_OTHER_HPP_INCLUDED