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			2.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			77 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | //  Copyright Neil Groves 2010. 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_COUNTING_RANGE_HPP_INCLUDED | ||
|  | #define BOOST_RANGE_COUNTING_RANGE_HPP_INCLUDED | ||
|  | 
 | ||
|  | #include <boost/config.hpp> | ||
|  | #if BOOST_MSVC >= 1400 | ||
|  | #pragma warning(push) | ||
|  | #pragma warning(disable : 4244) | ||
|  | #endif | ||
|  | 
 | ||
|  | #include <boost/range/iterator_range_core.hpp> | ||
|  | #include <boost/range/value_type.hpp> | ||
|  | #include <boost/range/iterator.hpp> | ||
|  | #include <boost/iterator/counting_iterator.hpp> | ||
|  | 
 | ||
|  | namespace boost | ||
|  | { | ||
|  |     template<class Value> | ||
|  |     inline iterator_range<counting_iterator<Value> > | ||
|  |     counting_range(Value first, Value last) | ||
|  |     { | ||
|  |         typedef counting_iterator<Value> counting_iterator_t; | ||
|  |         typedef iterator_range<counting_iterator_t> result_t; | ||
|  |         return result_t(counting_iterator_t(first), | ||
|  |                         counting_iterator_t(last)); | ||
|  |     } | ||
|  | 
 | ||
|  |     template<class Range> | ||
|  |     inline iterator_range< | ||
|  |         counting_iterator< | ||
|  |             BOOST_DEDUCED_TYPENAME range_iterator<const Range>::type | ||
|  |         > | ||
|  |     > | ||
|  |     counting_range(const Range& rng) | ||
|  |     { | ||
|  |         typedef counting_iterator< | ||
|  |             BOOST_DEDUCED_TYPENAME range_iterator<const Range>::type | ||
|  |         > counting_iterator_t; | ||
|  | 
 | ||
|  |         typedef iterator_range<counting_iterator_t> result_t; | ||
|  | 
 | ||
|  |         return result_t(counting_iterator_t(boost::begin(rng)), | ||
|  |                         counting_iterator_t(boost::end(rng))); | ||
|  |     } | ||
|  | 
 | ||
|  |     template<class Range> | ||
|  |     inline iterator_range< | ||
|  |         counting_iterator< | ||
|  |             BOOST_DEDUCED_TYPENAME range_iterator<Range>::type | ||
|  |         > | ||
|  |     > | ||
|  |     counting_range(Range& rng) | ||
|  |     { | ||
|  |         typedef counting_iterator< | ||
|  |             BOOST_DEDUCED_TYPENAME range_iterator<Range>::type | ||
|  |         > counting_iterator_t; | ||
|  | 
 | ||
|  |         typedef iterator_range<counting_iterator_t> result_t; | ||
|  | 
 | ||
|  |         return result_t(counting_iterator_t(boost::begin(rng)), | ||
|  |                         counting_iterator_t(boost::end(rng))); | ||
|  |     } | ||
|  | } // namespace boost | ||
|  | 
 | ||
|  | #if BOOST_MSVC >= 1400 | ||
|  | #pragma warning(pop) | ||
|  | #endif | ||
|  | 
 | ||
|  | #endif // include guard |