1 | // Copyright Neil Groves 2009. Use, modification and |
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2 | // distribution is subject to the Boost Software License, Version |
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3 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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4 | // http://www.boost.org/LICENSE_1_0.txt) |
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5 | // |
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6 | // |
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7 | // For more information, see http://www.boost.org/libs/range/ |
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8 | // |
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9 | #ifndef BOOST_RANGE_ALGORITHM_UNIQUE_HPP_INCLUDED |
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10 | #define BOOST_RANGE_ALGORITHM_UNIQUE_HPP_INCLUDED |
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11 | |
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12 | #include <boost/concept_check.hpp> |
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13 | #include <boost/range/begin.hpp> |
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14 | #include <boost/range/end.hpp> |
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15 | #include <boost/range/concepts.hpp> |
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16 | #include <boost/range/detail/range_return.hpp> |
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17 | #include <algorithm> |
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18 | |
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19 | namespace boost |
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20 | { |
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21 | namespace range |
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22 | { |
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23 | |
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24 | /// \brief template function unique |
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25 | /// |
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26 | /// range-based version of the unique std algorithm |
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27 | /// |
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28 | /// \pre Rng meets the requirements for a Forward range |
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29 | template< range_return_value re, class ForwardRange > |
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30 | inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type |
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31 | unique( ForwardRange& rng ) |
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32 | { |
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33 | BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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34 | return range_return<ForwardRange,re>:: |
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35 | pack( std::unique( boost::begin(rng), |
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36 | boost::end(rng)), rng ); |
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37 | } |
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38 | |
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39 | /// \overload |
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40 | template< range_return_value re, class ForwardRange > |
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41 | inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type |
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42 | unique( const ForwardRange& rng ) |
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43 | { |
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44 | BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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45 | return range_return<const ForwardRange,re>:: |
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46 | pack( std::unique( boost::begin(rng), |
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47 | boost::end(rng)), rng ); |
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48 | } |
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49 | /// \overload |
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50 | template< range_return_value re, class ForwardRange, class BinaryPredicate > |
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51 | inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type |
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52 | unique( ForwardRange& rng, BinaryPredicate pred ) |
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53 | { |
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54 | BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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55 | return range_return<ForwardRange,re>:: |
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56 | pack(std::unique(boost::begin(rng), boost::end(rng), pred), |
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57 | rng); |
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58 | } |
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59 | /// \overload |
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60 | template< range_return_value re, class ForwardRange, class BinaryPredicate > |
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61 | inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type |
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62 | unique( const ForwardRange& rng, BinaryPredicate pred ) |
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63 | { |
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64 | BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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65 | return range_return<const ForwardRange,re>:: |
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66 | pack(std::unique(boost::begin(rng), boost::end(rng), pred), |
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67 | rng); |
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68 | } |
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69 | |
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70 | /// \overload |
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71 | template< class ForwardRange > |
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72 | inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange, return_begin_found>::type |
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73 | unique( ForwardRange& rng ) |
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74 | { |
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75 | BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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76 | return ::boost::range::unique<return_begin_found>(rng); |
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77 | } |
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78 | /// \overload |
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79 | template< class ForwardRange > |
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80 | inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange, return_begin_found>::type |
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81 | unique( const ForwardRange& rng ) |
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82 | { |
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83 | BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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84 | return ::boost::range::unique<return_begin_found>(rng); |
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85 | } |
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86 | /// \overload |
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87 | template< class ForwardRange, class BinaryPredicate > |
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88 | inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange, return_begin_found>::type |
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89 | unique( ForwardRange& rng, BinaryPredicate pred ) |
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90 | { |
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91 | BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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92 | return ::boost::range::unique<return_begin_found>(rng); |
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93 | } |
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94 | /// \overload |
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95 | template< class ForwardRange, class BinaryPredicate > |
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96 | inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type |
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97 | unique( const ForwardRange& rng, BinaryPredicate pred ) |
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98 | { |
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99 | BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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100 | return ::boost::range::unique<return_begin_found>(rng, pred); |
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101 | } |
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102 | |
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103 | } // namespace range |
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104 | using range::unique; |
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105 | } // namespace boost |
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106 | |
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107 | #endif // include guard |
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