| 1 | /*============================================================================= |
|---|---|
| 2 | Copyright (c) 2001-2011 Joel de Guzman |
| 3 | |
| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 6 | ==============================================================================*/ |
| 7 | #if !defined(FUSION_EQUAL_TO_IMPL_09172005_1120) |
| 8 | #define FUSION_EQUAL_TO_IMPL_09172005_1120 |
| 9 | |
| 10 | #include <boost/fusion/support/config.hpp> |
| 11 | #include <boost/type_traits/is_same.hpp> |
| 12 | #include <boost/mpl/equal_to.hpp> |
| 13 | #include <boost/mpl/and.hpp> |
| 14 | |
| 15 | namespace boost { namespace fusion |
| 16 | { |
| 17 | struct cons_iterator_tag; |
| 18 | |
| 19 | namespace extension |
| 20 | { |
| 21 | template <typename Tag> |
| 22 | struct equal_to_impl; |
| 23 | |
| 24 | template <> |
| 25 | struct equal_to_impl<cons_iterator_tag> |
| 26 | { |
| 27 | template <typename I1, typename I2> |
| 28 | struct apply |
| 29 | : is_same< |
| 30 | typename I1::identity |
| 31 | , typename I2::identity |
| 32 | > |
| 33 | { |
| 34 | }; |
| 35 | }; |
| 36 | } |
| 37 | }} |
| 38 | |
| 39 | #endif |
| 40 | |
| 41 |