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- // Copyright Neil Groves 2009. Use, modification and
- // distribution is subject to the Boost Software License, Version
- // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //
- //
- // For more information, see http://www.boost.org/libs/range/
- //
- #ifndef BOOST_RANGE_ALGORITHM_FIND_END_HPP_INCLUDED
- #define BOOST_RANGE_ALGORITHM_FIND_END_HPP_INCLUDED
- #include <boost/concept_check.hpp>
- #include <boost/range/begin.hpp>
- #include <boost/range/end.hpp>
- #include <boost/range/concepts.hpp>
- #include <boost/range/detail/range_return.hpp>
- #include <algorithm>
- namespace boost
- {
- namespace range
- {
- /// \brief template function find_end
- ///
- /// range-based version of the find_end std algorithm
- ///
- /// \pre ForwardRange1 is a model of the ForwardRangeConcept
- /// \pre ForwardRange2 is a model of the ForwardRangeConcept
- /// \pre BinaryPredicate is a model of the BinaryPredicateConcept
- template< class ForwardRange1, class ForwardRange2 >
- inline BOOST_DEDUCED_TYPENAME disable_if<
- is_const<ForwardRange1>,
- BOOST_DEDUCED_TYPENAME range_iterator< ForwardRange1 >::type
- >::type
- find_end(ForwardRange1 & rng1, const ForwardRange2& rng2)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange1> ));
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
- return std::find_end(boost::begin(rng1),boost::end(rng1),
- boost::begin(rng2),boost::end(rng2));
- }
- /// \overload
- template< class ForwardRange1, class ForwardRange2 >
- inline BOOST_DEDUCED_TYPENAME range_iterator< const ForwardRange1 >::type
- find_end(const ForwardRange1 & rng1, const ForwardRange2& rng2)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange1> ));
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
- return std::find_end(boost::begin(rng1),boost::end(rng1),
- boost::begin(rng2),boost::end(rng2));
- }
- /// \overload
- template< class ForwardRange1, class ForwardRange2, class BinaryPredicate >
- inline BOOST_DEDUCED_TYPENAME disable_if<
- is_const<ForwardRange1>,
- BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange1>::type
- >::type
- find_end(ForwardRange1 & rng1, const ForwardRange2& rng2, BinaryPredicate pred)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange1> ));
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
- return std::find_end(boost::begin(rng1),boost::end(rng1),
- boost::begin(rng2),boost::end(rng2),pred);
- }
- /// \overload
- template< class ForwardRange1, class ForwardRange2, class BinaryPredicate >
- inline BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange1>::type
- find_end(const ForwardRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange1> ));
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
- return std::find_end(boost::begin(rng1),boost::end(rng1),
- boost::begin(rng2),boost::end(rng2),pred);
- }
- /// \overload
- template< range_return_value re, class ForwardRange1, class ForwardRange2 >
- inline BOOST_DEDUCED_TYPENAME disable_if<
- is_const<ForwardRange1>,
- BOOST_DEDUCED_TYPENAME range_return<ForwardRange1,re>::type
- >::type
- find_end(ForwardRange1& rng1, const ForwardRange2& rng2)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange1> ));
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
- return range_return<ForwardRange1,re>::
- pack(std::find_end(boost::begin(rng1), boost::end(rng1),
- boost::begin(rng2), boost::end(rng2)),
- rng1);
- }
- /// \overload
- template< range_return_value re, class ForwardRange1, class ForwardRange2 >
- inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange1,re>::type
- find_end(const ForwardRange1& rng1, const ForwardRange2& rng2)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange1> ));
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
- return range_return<const ForwardRange1,re>::
- pack(std::find_end(boost::begin(rng1), boost::end(rng1),
- boost::begin(rng2), boost::end(rng2)),
- rng1);
- }
- /// \overload
- template< range_return_value re, class ForwardRange1, class ForwardRange2,
- class BinaryPredicate >
- inline BOOST_DEDUCED_TYPENAME disable_if<
- is_const<ForwardRange1>,
- BOOST_DEDUCED_TYPENAME range_return<ForwardRange1,re>::type
- >::type
- find_end(ForwardRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange1> ));
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
- return range_return<ForwardRange1,re>::
- pack(std::find_end(boost::begin(rng1), boost::end(rng1),
- boost::begin(rng2), boost::end(rng2), pred),
- rng1);
- }
- /// \overload
- template< range_return_value re, class ForwardRange1, class ForwardRange2,
- class BinaryPredicate >
- inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange1,re>::type
- find_end(const ForwardRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange1> ));
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
- return range_return<const ForwardRange1,re>::
- pack(std::find_end(boost::begin(rng1), boost::end(rng1),
- boost::begin(rng2), boost::end(rng2), pred),
- rng1);
- }
- } // namespace range
- using range::find_end;
- } // namespace boost
- #endif // include guard
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