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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_SEARCH_HPP_INCLUDED
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10 #define BOOST_RANGE_ALGORITHM_SEARCH_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 search
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25 ///
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26 /// range-based version of the search std algorithm
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27 ///
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28 /// \pre ForwardRange1 is a model of the ForwardRangeConcept
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29 /// \pre ForwardRange2 is a model of the ForwardRangeConcept
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30 /// \pre BinaryPredicate is a model of the BinaryPredicateConcept
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31 template< class ForwardRange1, class ForwardRange2 >
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32 inline BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange1>::type
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33 search(ForwardRange1& rng1, const ForwardRange2& rng2)
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34 {
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35 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange1> ));
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36 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
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37 return std::search(boost::begin(rng1),boost::end(rng1),
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38 boost::begin(rng2),boost::end(rng2));
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39 }
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40
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41 /// \overload
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42 template< class ForwardRange1, class ForwardRange2 >
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43 inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange1>::type
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44 search(const ForwardRange1& rng1, const ForwardRange2& rng2)
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45 {
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46 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange1> ));
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47 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
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48 return std::search(boost::begin(rng1), boost::end(rng1),
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49 boost::begin(rng2), boost::end(rng2));
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50 }
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51
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52 /// \overload
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53 template< class ForwardRange1, class ForwardRange2, class BinaryPredicate >
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54 inline BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange1>::type
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55 search(ForwardRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred)
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56 {
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57 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange1> ));
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58 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
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59 return std::search(boost::begin(rng1),boost::end(rng1),
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60 boost::begin(rng2),boost::end(rng2),pred);
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61 }
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62
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63 /// \overload
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64 template< class ForwardRange1, class ForwardRange2, class BinaryPredicate >
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65 inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange1>::type
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66 search(const ForwardRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred)
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67 {
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68 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange1> ));
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69 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
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70 return std::search(boost::begin(rng1), boost::end(rng1),
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71 boost::begin(rng2), boost::end(rng2), pred);
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72 }
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73
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74 // range_return overloads
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75
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76 /// \overload
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77 template< range_return_value re, class ForwardRange1, class ForwardRange2 >
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78 inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange1,re>::type
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79 search(ForwardRange1& rng1, const ForwardRange2& rng2)
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80 {
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81 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange1> ));
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82 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
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83 return range_return<ForwardRange1,re>::
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84 pack(std::search(boost::begin(rng1),boost::end(rng1),
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85 boost::begin(rng2),boost::end(rng2)),
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86 rng1);
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87 }
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88
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89 /// \overload
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90 template< range_return_value re, class ForwardRange1, class ForwardRange2 >
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91 inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange1,re>::type
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92 search(const ForwardRange1& rng1, const ForwardRange2& rng2)
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93 {
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94 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange1> ));
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95 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
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96 return range_return<const ForwardRange1,re>::
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97 pack(std::search(boost::begin(rng1),boost::end(rng1),
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98 boost::begin(rng2),boost::end(rng2)),
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99 rng1);
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100 }
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101
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102 /// \overload
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103 template< range_return_value re, class ForwardRange1, class ForwardRange2,
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104 class BinaryPredicate >
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105 inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange1,re>::type
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106 search(ForwardRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred)
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107 {
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108 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange1> ));
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109 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
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110 return range_return<ForwardRange1,re>::
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111 pack(std::search(boost::begin(rng1),boost::end(rng1),
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112 boost::begin(rng2),boost::end(rng2),pred),
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113 rng1);
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114 }
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115
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116 /// \overload
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117 template< range_return_value re, class ForwardRange1, class ForwardRange2,
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118 class BinaryPredicate >
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119 inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange1,re>::type
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120 search(const ForwardRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred)
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121 {
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122 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange1> ));
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123 BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
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124 return range_return<const ForwardRange1,re>::
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125 pack(std::search(boost::begin(rng1),boost::end(rng1),
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126 boost::begin(rng2),boost::end(rng2),pred),
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127 rng1);
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128 }
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129
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130 } // namespace range
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131 using range::search;
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132 } // namespace boost
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133
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134 #endif // include guard
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