1 | // Boost.Range library |
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2 | // |
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3 | // Copyright Neil Groves 2009. Use, modification and |
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4 | // distribution is subject to the Boost Software License, Version |
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5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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6 | // http://www.boost.org/LICENSE_1_0.txt) |
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7 | // |
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8 | // For more information, see http://www.boost.org/libs/range/ |
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9 | // |
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10 | #ifndef BOOST_RANGE_ALGORITHM_EXT_FOR_EACH_HPP_INCLUDED |
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11 | #define BOOST_RANGE_ALGORITHM_EXT_FOR_EACH_HPP_INCLUDED |
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12 | |
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13 | #include <boost/range/config.hpp> |
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14 | #include <boost/range/concepts.hpp> |
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15 | #include <boost/range/difference_type.hpp> |
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16 | #include <boost/range/begin.hpp> |
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17 | #include <boost/range/end.hpp> |
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18 | #include <boost/assert.hpp> |
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19 | |
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20 | namespace boost |
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21 | { |
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22 | namespace range_detail |
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23 | { |
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24 | template<class InputIterator1, class InputIterator2, class Fn2> |
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25 | inline Fn2 for_each_impl(InputIterator1 first1, InputIterator1 last1, |
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26 | InputIterator2 first2, InputIterator2 last2, |
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27 | Fn2 fn) |
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28 | { |
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29 | for (; first1 != last1 && first2 != last2; ++first1, ++first2) |
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30 | { |
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31 | fn(*first1, *first2); |
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32 | } |
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33 | return fn; |
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34 | } |
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35 | } |
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36 | |
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37 | namespace range |
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38 | { |
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39 | template<class SinglePassRange1, class SinglePassRange2, class Fn2> |
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40 | inline Fn2 for_each(const SinglePassRange1& rng1, const SinglePassRange2& rng2, Fn2 fn) |
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41 | { |
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42 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> )); |
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43 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> )); |
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44 | |
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45 | return ::boost::range_detail::for_each_impl( |
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46 | ::boost::begin(rng1), ::boost::end(rng1), |
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47 | ::boost::begin(rng2), ::boost::end(rng2), fn); |
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48 | } |
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49 | |
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50 | template<class SinglePassRange1, class SinglePassRange2, class Fn2> |
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51 | inline Fn2 for_each(const SinglePassRange1& rng1, SinglePassRange2& rng2, Fn2 fn) |
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52 | { |
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53 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> )); |
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54 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> )); |
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55 | |
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56 | return ::boost::range_detail::for_each_impl( |
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57 | ::boost::begin(rng1), ::boost::end(rng1), |
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58 | ::boost::begin(rng2), ::boost::end(rng2), fn); |
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59 | } |
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60 | |
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61 | template<class SinglePassRange1, class SinglePassRange2, class Fn2> |
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62 | inline Fn2 for_each(SinglePassRange1& rng1, const SinglePassRange2& rng2, Fn2 fn) |
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63 | { |
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64 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> )); |
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65 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> )); |
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66 | |
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67 | return ::boost::range_detail::for_each_impl( |
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68 | ::boost::begin(rng1), ::boost::end(rng1), |
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69 | ::boost::begin(rng2), ::boost::end(rng2), fn); |
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70 | } |
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71 | |
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72 | template<class SinglePassRange1, class SinglePassRange2, class Fn2> |
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73 | inline Fn2 for_each(SinglePassRange1& rng1, SinglePassRange2& rng2, Fn2 fn) |
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74 | { |
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75 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> )); |
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76 | BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> )); |
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77 | |
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78 | return ::boost::range_detail::for_each_impl( |
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79 | ::boost::begin(rng1), ::boost::end(rng1), |
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80 | ::boost::begin(rng2), ::boost::end(rng2), fn); |
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81 | } |
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82 | } // namespace range |
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83 | using range::for_each; |
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84 | } // namespace boost |
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85 | |
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86 | #endif // include guard |
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