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1 | // Copyright Neil Groves 2010. Use, modification and |
2 | // distribution is subject to the Boost Software License, Version | |
3 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
4 | // http://www.boost.org/LICENSE_1_0.txt) | |
5 | // | |
6 | // | |
7 | // For more information, see http://www.boost.org/libs/range/ | |
8 | // | |
9 | #ifndef BOOST_RANGE_COUNTING_RANGE_HPP_INCLUDED | |
10 | #define BOOST_RANGE_COUNTING_RANGE_HPP_INCLUDED | |
11 | ||
12 | #include <boost/config.hpp> | |
13 | #if BOOST_MSVC >= 1400 | |
14 | #pragma warning(push) | |
15 | #pragma warning(disable : 4244) | |
16 | #endif | |
17 | ||
18 | #include <boost/range/iterator_range_core.hpp> | |
19 | #include <boost/range/value_type.hpp> | |
20 | #include <boost/range/iterator.hpp> | |
21 | #include <boost/iterator/counting_iterator.hpp> | |
22 | ||
23 | namespace boost | |
24 | { | |
25 | template<class Value> | |
26 | inline iterator_range<counting_iterator<Value> > | |
27 | counting_range(Value first, Value last) | |
28 | { | |
29 | typedef counting_iterator<Value> counting_iterator_t; | |
30 | typedef iterator_range<counting_iterator_t> result_t; | |
31 | return result_t(counting_iterator_t(first), | |
32 | counting_iterator_t(last)); | |
33 | } | |
34 | ||
35 | template<class Range> | |
36 | inline iterator_range< | |
37 | counting_iterator< | |
38 | BOOST_DEDUCED_TYPENAME range_iterator<const Range>::type | |
39 | > | |
40 | > | |
41 | counting_range(const Range& rng) | |
42 | { | |
43 | typedef counting_iterator< | |
44 | BOOST_DEDUCED_TYPENAME range_iterator<const Range>::type | |
45 | > counting_iterator_t; | |
46 | ||
47 | typedef iterator_range<counting_iterator_t> result_t; | |
48 | ||
49 | return result_t(counting_iterator_t(boost::begin(rng)), | |
50 | counting_iterator_t(boost::end(rng))); | |
51 | } | |
52 | ||
53 | template<class Range> | |
54 | inline iterator_range< | |
55 | counting_iterator< | |
56 | BOOST_DEDUCED_TYPENAME range_iterator<Range>::type | |
57 | > | |
58 | > | |
59 | counting_range(Range& rng) | |
60 | { | |
61 | typedef counting_iterator< | |
62 | BOOST_DEDUCED_TYPENAME range_iterator<Range>::type | |
63 | > counting_iterator_t; | |
64 | ||
65 | typedef iterator_range<counting_iterator_t> result_t; | |
66 | ||
67 | return result_t(counting_iterator_t(boost::begin(rng)), | |
68 | counting_iterator_t(boost::end(rng))); | |
69 | } | |
70 | } // namespace boost | |
71 | ||
72 | #if BOOST_MSVC >= 1400 | |
73 | #pragma warning(pop) | |
74 | #endif | |
75 | ||
76 | #endif // include guard |