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1 | // Boost.Range library |
2 | // | |
3 | // Copyright Thorsten Ottosen 2003-2004. Use, modification and | |
4 | // distribution is subject to the Boost Software License, Version | |
5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt) | |
7 | // | |
8 | // For more information, see http://www.boost.org/libs/range/ | |
9 | // | |
10 | ||
11 | #ifndef BOOST_RANGE_MUTABLE_ITERATOR_HPP | |
12 | #define BOOST_RANGE_MUTABLE_ITERATOR_HPP | |
13 | ||
14 | #if defined(_MSC_VER) | |
15 | # pragma once | |
16 | #endif | |
17 | ||
18 | #include <boost/range/config.hpp> | |
19 | ||
20 | #include <boost/range/range_fwd.hpp> | |
21 | #include <boost/range/detail/extract_optional_type.hpp> | |
22 | #include <boost/type_traits/remove_reference.hpp> | |
23 | #include <boost/iterator/iterator_traits.hpp> | |
24 | #include <cstddef> | |
25 | #include <utility> | |
26 | ||
27 | namespace boost | |
28 | { | |
29 | ||
30 | ////////////////////////////////////////////////////////////////////////// | |
31 | // default | |
32 | ////////////////////////////////////////////////////////////////////////// | |
33 | ||
34 | namespace range_detail | |
35 | { | |
36 | ||
37 | BOOST_RANGE_EXTRACT_OPTIONAL_TYPE( iterator ) | |
38 | ||
39 | template< typename C > | |
40 | struct range_mutable_iterator | |
41 | : range_detail::extract_iterator< | |
42 | BOOST_DEDUCED_TYPENAME remove_reference<C>::type> | |
43 | {}; | |
44 | ||
45 | ////////////////////////////////////////////////////////////////////////// | |
46 | // pair | |
47 | ////////////////////////////////////////////////////////////////////////// | |
48 | ||
49 | template< typename Iterator > | |
50 | struct range_mutable_iterator< std::pair<Iterator,Iterator> > | |
51 | { | |
52 | typedef Iterator type; | |
53 | }; | |
54 | ||
55 | ////////////////////////////////////////////////////////////////////////// | |
56 | // array | |
57 | ////////////////////////////////////////////////////////////////////////// | |
58 | ||
59 | template< typename T, std::size_t sz > | |
60 | struct range_mutable_iterator< T[sz] > | |
61 | { | |
62 | typedef T* type; | |
63 | }; | |
64 | ||
65 | } // namespace range_detail | |
66 | ||
67 | template<typename C, typename Enabler=void> | |
68 | struct range_mutable_iterator | |
69 | : range_detail::range_mutable_iterator< | |
70 | BOOST_DEDUCED_TYPENAME remove_reference<C>::type | |
71 | > | |
72 | { | |
73 | }; | |
74 | ||
75 | } // namespace boost | |
76 | ||
77 | #include <boost/range/detail/msvc_has_iterator_workaround.hpp> | |
78 | ||
79 | #endif |