77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
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// Copyright Neil Groves 2010. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#ifndef BOOST_RANGE_COUNTING_RANGE_HPP_INCLUDED
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#define BOOST_RANGE_COUNTING_RANGE_HPP_INCLUDED
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#include <boost/config.hpp>
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#if BOOST_MSVC >= 1400
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#pragma warning(push)
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#pragma warning(disable : 4244)
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#endif
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#include <boost/range/iterator_range_core.hpp>
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#include <boost/range/value_type.hpp>
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#include <boost/range/iterator.hpp>
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#include <boost/iterator/counting_iterator.hpp>
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namespace boost
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{
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template<class Value>
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inline iterator_range<counting_iterator<Value> >
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counting_range(Value first, Value last)
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{
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typedef counting_iterator<Value> counting_iterator_t;
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typedef iterator_range<counting_iterator_t> result_t;
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return result_t(counting_iterator_t(first),
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counting_iterator_t(last));
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}
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template<class Range>
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inline iterator_range<
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counting_iterator<
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BOOST_DEDUCED_TYPENAME range_iterator<const Range>::type
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>
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>
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counting_range(const Range& rng)
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{
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typedef counting_iterator<
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BOOST_DEDUCED_TYPENAME range_iterator<const Range>::type
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> counting_iterator_t;
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typedef iterator_range<counting_iterator_t> result_t;
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return result_t(counting_iterator_t(boost::begin(rng)),
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counting_iterator_t(boost::end(rng)));
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}
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template<class Range>
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inline iterator_range<
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counting_iterator<
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BOOST_DEDUCED_TYPENAME range_iterator<Range>::type
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>
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>
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counting_range(Range& rng)
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{
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typedef counting_iterator<
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BOOST_DEDUCED_TYPENAME range_iterator<Range>::type
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> counting_iterator_t;
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typedef iterator_range<counting_iterator_t> result_t;
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return result_t(counting_iterator_t(boost::begin(rng)),
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counting_iterator_t(boost::end(rng)));
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}
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} // namespace boost
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#if BOOST_MSVC >= 1400
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#pragma warning(pop)
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#endif
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#endif // include guard
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