73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
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Copyright (c) 2013, Project OSRM, Dennis Luxen, others
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef RANGE_HPP_
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#define RANGE_HPP_
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namespace osrm
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{
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namespace util
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{
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template <typename Iterator> class Range
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{
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public:
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Range(Iterator begin, Iterator end) : begin_(begin), end_(end) {}
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Iterator begin() const { return begin_; }
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Iterator end() const { return end_; }
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private:
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Iterator begin_;
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Iterator end_;
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};
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// Convenience functions for template parameter inference,
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// akin to std::make_pair.
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template <typename Iterator> Range<Iterator> range(Iterator begin, Iterator end)
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{
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return Range<Iterator>(begin, end);
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}
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template <typename Reversable>
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Range<typename Reversable::reverse_iterator> reverse(Reversable *reversable)
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{
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return Range<typename Reversable::reverse_iterator>(reversable->rbegin(), reversable->rend());
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}
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template <typename ConstReversable>
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Range<typename ConstReversable::const_reverse_iterator>
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const_reverse(const ConstReversable *const_reversable)
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{
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return Range<typename ConstReversable::const_reverse_iterator>(const_reversable->crbegin(),
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const_reversable->crend());
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}
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}
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}
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#endif // RANGE_HPP_
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