repetitive_view/detail/deref_impl.hpp

0001 /*=============================================================================
0002     Copyright (c) 2007 Tobias Schwinger
0003
0004     Distributed under the Boost Software License, Version 1.0. (See accompanying
0005     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0006 ==============================================================================*/
0007
0008 #if !defined(BOOST_FUSION_REPETITIVE_VIEW_DEREF_IMPL_HPP_INCLUDED)
0009 #define BOOST_FUSION_REPETITIVE_VIEW_DEREF_IMPL_HPP_INCLUDED
0010
0011 #include <boost/fusion/support/config.hpp>
0012 #include <boost/fusion/iterator/deref.hpp>
0013
0014 namespace boost { namespace fusion
0015 {
0016     struct repetitive_view_iterator_tag;
0017
0018     namespace extension
0019     {
0020         template<typename Tag>
0021         struct deref_impl;
0022
0023         template<>
0024         struct deref_impl<repetitive_view_iterator_tag>
0025         {
0026             template<typename Iterator>
0027             struct apply
0028             {
0029                 typedef typename
0030                     result_of::deref<typename Iterator::pos_type>::type
0031                 type;
0032
0033                 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
0034                 static type call(Iterator const& i)
0035                 {
0036                     return *i.pos;
0037                 }
0038             };
0039         };
0040
0041     }
0042
0043 }}
0044
0045 #endif
0046