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refactor iterator range utility class

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This commit is contained in:
Dennis Luxen 2015-02-20 11:59:03 +01:00
parent e9e12b88f8
commit 8adab95973
1 changed files with 14 additions and 16 deletions
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30
util/iterator_range.hpp
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@ -1,6 +1,6 @@
/*
Copyright (c) 2013, Project OSRM contributors
Copyright (c) 2015, Project OSRM contributors
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
@ -25,17 +25,15 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef RANGE_HPP_
#define RANGE_HPP_
#ifndef ITERATOR_RANGE_HPP
#define ITERATOR_RANGE_HPP
namespace osrm
{
namespace util
{
template <typename Iterator> class Range
template <typename Iterator> class iter_range
{
public:
Range(Iterator begin, Iterator end) : begin_(begin), end_(end) {}
iter_range(Iterator begin, Iterator end) : begin_(begin), end_(end) {}
Iterator begin() const { return begin_; }
Iterator end() const { return end_; }
@ -48,25 +46,25 @@ template <typename Iterator> class Range
// Convenience functions for template parameter inference,
// akin to std::make_pair.
template <typename Iterator> Range<Iterator> range(Iterator begin, Iterator end)
template <typename Iterator> iter_range<Iterator> integer_range(Iterator begin, Iterator end)
{
return Range<Iterator>(begin, end);
return iter_range<Iterator>(begin, end);
}
template <typename Reversable>
Range<typename Reversable::reverse_iterator> reverse(Reversable *reversable)
iter_range<typename Reversable::reverse_iterator> reverse(Reversable *reversable)
{
return Range<typename Reversable::reverse_iterator>(reversable->rbegin(), reversable->rend());
return iter_range<typename Reversable::reverse_iterator>(reversable->rbegin(),
reversable->rend());
}
template <typename ConstReversable>
Range<typename ConstReversable::const_reverse_iterator>
iter_range<typename ConstReversable::const_reverse_iterator>
const_reverse(const ConstReversable *const_reversable)
{
return Range<typename ConstReversable::const_reverse_iterator>(const_reversable->crbegin(),
const_reversable->crend());
}
return iter_range<typename ConstReversable::const_reverse_iterator>(const_reversable->crbegin(),
const_reversable->crend());
}
}
#endif // RANGE_HPP_
#endif // ITERATOR_RANGE_HPP