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_INSERT_RANGE_009172005_1147)
8#define FUSION_INSERT_RANGE_009172005_1147
9
10#include <boost/fusion/support/config.hpp>
11#include <boost/fusion/iterator/mpl/convert_iterator.hpp>
12#include <boost/fusion/view/joint_view/joint_view.hpp>
13#include <boost/fusion/view/iterator_range/iterator_range.hpp>
14#include <boost/fusion/support/detail/as_fusion_element.hpp>
15#include <boost/fusion/sequence/intrinsic/begin.hpp>
16#include <boost/fusion/sequence/intrinsic/end.hpp>
17#include <boost/fusion/adapted/mpl/mpl_iterator.hpp>
18
19namespace boost { namespace fusion
20{
21 namespace result_of
22 {
23 template <typename Sequence, typename Position, typename Range>
24 struct insert_range
25 {
26 typedef typename convert_iterator<Position>::type pos_type;
27 typedef typename result_of::begin<Sequence>::type first_type;
28 typedef typename result_of::end<Sequence>::type last_type;
29
30 typedef iterator_range<first_type, pos_type> left_type;
31 typedef iterator_range<pos_type, last_type> right_type;
32 typedef joint_view<left_type, Range> left_insert_type;
33 typedef joint_view<left_insert_type, right_type> type;
34 };
35 }
36
37 template <typename Sequence, typename Position, typename Range>
38 BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED
39 inline typename result_of::insert_range<Sequence const, Position, Range const>::type
40 insert_range(Sequence const& seq, Position const& pos, Range const& range)
41 {
42 typedef result_of::insert_range<Sequence const, Position, Range const> result_of;
43 typedef typename result_of::left_type left_type;
44 typedef typename result_of::right_type right_type;
45 typedef typename result_of::left_insert_type left_insert_type;
46 typedef typename result_of::type result;
47
48 left_type left(fusion::begin(seq), convert_iterator<Position>::call(pos));
49 right_type right(convert_iterator<Position>::call(pos), fusion::end(seq));
50 left_insert_type left_insert(left, range);
51 return result(left_insert, right);
52 }
53}}
54
55#endif
56
57

source code of include/boost/fusion/algorithm/transformation/insert_range.hpp