Chris@16: //  Copyright Neil Groves 2010. Use, modification and
Chris@16: //  distribution is subject to the Boost Software License, Version
Chris@16: //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: //
Chris@16: // For more information, see http://www.boost.org/libs/range/
Chris@16: //
Chris@16: #ifndef BOOST_RANGE_COUNTING_RANGE_HPP_INCLUDED
Chris@16: #define BOOST_RANGE_COUNTING_RANGE_HPP_INCLUDED
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: #if BOOST_MSVC >= 1400
Chris@16: #pragma warning(push)
Chris@16: #pragma warning(disable : 4244)
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/range/iterator_range_core.hpp>
Chris@16: #include <boost/range/value_type.hpp>
Chris@101: #include <boost/range/iterator.hpp>
Chris@16: #include <boost/iterator/counting_iterator.hpp>
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16:     template<class Value>
Chris@16:     inline iterator_range<counting_iterator<Value> >
Chris@16:     counting_range(Value first, Value last)
Chris@16:     {
Chris@16:         typedef counting_iterator<Value> counting_iterator_t;
Chris@16:         typedef iterator_range<counting_iterator_t> result_t;
Chris@16:         return result_t(counting_iterator_t(first),
Chris@16:                         counting_iterator_t(last));
Chris@16:     }
Chris@16: 
Chris@16:     template<class Range>
Chris@101:     inline iterator_range<
Chris@101:         counting_iterator<
Chris@101:             BOOST_DEDUCED_TYPENAME range_iterator<const Range>::type
Chris@101:         >
Chris@101:     >
Chris@16:     counting_range(const Range& rng)
Chris@16:     {
Chris@101:         typedef counting_iterator<
Chris@101:             BOOST_DEDUCED_TYPENAME range_iterator<const Range>::type
Chris@101:         > counting_iterator_t;
Chris@101: 
Chris@16:         typedef iterator_range<counting_iterator_t> result_t;
Chris@101: 
Chris@101:         return result_t(counting_iterator_t(boost::begin(rng)),
Chris@101:                         counting_iterator_t(boost::end(rng)));
Chris@16:     }
Chris@16: 
Chris@16:     template<class Range>
Chris@101:     inline iterator_range<
Chris@101:         counting_iterator<
Chris@101:             BOOST_DEDUCED_TYPENAME range_iterator<Range>::type
Chris@101:         >
Chris@101:     >
Chris@16:     counting_range(Range& rng)
Chris@16:     {
Chris@101:         typedef counting_iterator<
Chris@101:             BOOST_DEDUCED_TYPENAME range_iterator<Range>::type
Chris@101:         > counting_iterator_t;
Chris@101: 
Chris@16:         typedef iterator_range<counting_iterator_t> result_t;
Chris@101: 
Chris@101:         return result_t(counting_iterator_t(boost::begin(rng)),
Chris@101:                         counting_iterator_t(boost::end(rng)));
Chris@16:     }
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #if BOOST_MSVC >= 1400
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: #endif // include guard