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56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
#ifndef BOOST_POINTER_TO_OTHER_HPP_INCLUDED
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#define BOOST_POINTER_TO_OTHER_HPP_INCLUDED
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//
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// pointer_to_other.hpp
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//
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// (C) Copyright Ion Gaztañaga 2005.
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// Copyright (c) 2005 Peter Dimov.
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//
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// Distributed under the Boost Software License, Version 1.0.
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//
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/smart_ptr/pointer_to_other.html
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//
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namespace boost
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{
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// Defines the same pointer type (raw or smart) to another pointee type
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template<class T, class U>
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struct pointer_to_other;
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template<class T, class U,
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template<class> class Sp>
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struct pointer_to_other< Sp<T>, U >
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{
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typedef Sp<U> type;
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};
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template<class T, class T2, class U,
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template<class, class> class Sp>
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struct pointer_to_other< Sp<T, T2>, U >
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{
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typedef Sp<U, T2> type;
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};
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template<class T, class T2, class T3, class U,
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template<class, class, class> class Sp>
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struct pointer_to_other< Sp<T, T2, T3>, U >
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{
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typedef Sp<U, T2, T3> type;
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};
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template<class T, class U>
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struct pointer_to_other< T*, U >
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{
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typedef U* type;
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};
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} // namespace boost
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#endif // #ifndef BOOST_POINTER_TO_OTHER_HPP_INCLUDED
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