/*============================================================================= | |
Copyright (c) 2001-2006 Joel de Guzman | |
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) | |
==============================================================================*/ | |
#if !defined(FUSION_DEREF_IMPL_07202005_0851) | |
#define FUSION_DEREF_IMPL_07202005_0851 | |
#include <boost/fusion/iterator/deref.hpp> | |
#include <boost/fusion/iterator/prior.hpp> | |
namespace boost { namespace fusion | |
{ | |
struct reverse_view_iterator_tag; | |
namespace extension | |
{ | |
template <typename Tag> | |
struct deref_impl; | |
template <> | |
struct deref_impl<reverse_view_iterator_tag> | |
{ | |
template <typename Iterator> | |
struct apply | |
{ | |
typedef typename | |
result_of::deref< | |
typename result_of::prior< | |
typename Iterator::first_type | |
>::type | |
>::type | |
type; | |
static type | |
call(Iterator const& i) | |
{ | |
return *fusion::prior(i.first); | |
} | |
}; | |
}; | |
} | |
}} | |
#endif | |