| 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 |
| 77 |