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| 2 | #ifndef BOOST_MPL_SAME_AS_HPP_INCLUDED |
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| 3 | #define BOOST_MPL_SAME_AS_HPP_INCLUDED |
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| 4 | |
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| 5 | // Copyright Aleksey Gurtovoy 2000-2004 |
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| 6 | // |
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| 7 | // Distributed under the Boost Software License, Version 1.0. |
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| 8 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 9 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 10 | // |
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| 11 | // See http://www.boost.org/libs/mpl for documentation. |
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| 12 | |
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| 13 | // $Id$ |
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| 14 | // $Date$ |
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| 15 | // $Revision$ |
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| 16 | |
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| 17 | #include <boost/mpl/not.hpp> |
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| 18 | #include <boost/mpl/aux_/lambda_spec.hpp> |
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| 19 | #include <boost/mpl/aux_/config/forwarding.hpp> |
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| 20 | |
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| 21 | #include <boost/type_traits/is_same.hpp> |
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| 22 | |
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| 23 | namespace boost { namespace mpl { |
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| 24 | |
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| 25 | template< typename T1 > |
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| 26 | struct same_as |
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| 27 | { |
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| 28 | template< typename T2 > struct apply |
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| 29 | #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) |
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| 30 | : is_same<T1,T2> |
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| 31 | { |
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| 32 | #else |
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| 33 | { |
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| 34 | typedef typename is_same<T1,T2>::type type; |
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| 35 | #endif |
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| 36 | }; |
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| 37 | }; |
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| 38 | |
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| 39 | template< typename T1 > |
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| 40 | struct not_same_as |
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| 41 | { |
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| 42 | template< typename T2 > struct apply |
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| 43 | #if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING) |
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| 44 | : not_< is_same<T1,T2> > |
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| 45 | { |
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| 46 | #else |
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| 47 | { |
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| 48 | typedef typename not_< is_same<T1,T2> >::type type; |
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| 49 | #endif |
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| 50 | }; |
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| 51 | }; |
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| 52 | |
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| 53 | }} |
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| 54 | |
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| 55 | #endif // BOOST_MPL_SAME_AS_HPP_INCLUDED |
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| 56 | |
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