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/*=============================================================================
Copyright (c) 2001-2011 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_NEXT_IMPL_07162005_1029)
#define FUSION_NEXT_IMPL_07162005_1029
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/iterator/next.hpp>
namespace boost { namespace fusion
{
struct transform_view_iterator_tag;
struct transform_view_iterator2_tag;
template<typename First, typename F>
struct transform_view_iterator;
template <typename First1, typename First2, typename F>
struct transform_view_iterator2;
namespace extension
{
template <typename Tag>
struct next_impl;
// Unary Version
template <>
struct next_impl<transform_view_iterator_tag>
{
template <typename Iterator>
struct apply
{
typedef typename Iterator::first_type first_type;
typedef typename result_of::next<first_type>::type next_type;
typedef typename Iterator::transform_type transform_type;
typedef transform_view_iterator<next_type, transform_type> type;
BOOST_FUSION_GPU_ENABLED
static type
call(Iterator const& i)
{
return type(fusion::next(i.first), i.f);
}
};
};
// Binary Version
template <>
struct next_impl<transform_view_iterator2_tag>
{
template <typename Iterator>
struct apply
{
typedef typename Iterator::first1_type first1_type;
typedef typename Iterator::first2_type first2_type;
typedef typename result_of::next<first1_type>::type next1_type;
typedef typename result_of::next<first2_type>::type next2_type;
typedef typename Iterator::transform_type transform_type;
typedef transform_view_iterator2<next1_type, next2_type, transform_type> type;
BOOST_FUSION_GPU_ENABLED
static type
call(Iterator const& i)
{
return type(fusion::next(i.first1), fusion::next(i.first2), i.f);
}
};
};
}
}}
#endif
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