52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | /*============================================================================= | ||
|  |     Copyright (c) 2009 Christopher Schmidt | ||
|  | 
 | ||
|  |     Distributed under 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) | ||
|  | ==============================================================================*/ | ||
|  | 
 | ||
|  | #ifndef BOOST_FUSION_ITERATOR_DEREF_DATA_HPP | ||
|  | #define BOOST_FUSION_ITERATOR_DEREF_DATA_HPP | ||
|  | 
 | ||
|  | #include <boost/fusion/support/config.hpp> | ||
|  | #include <boost/fusion/support/tag_of.hpp> | ||
|  | 
 | ||
|  | namespace boost { namespace fusion | ||
|  | { | ||
|  |     struct iterator_facade_tag; | ||
|  | 
 | ||
|  |     namespace extension | ||
|  |     { | ||
|  |         template <typename> | ||
|  |         struct deref_data_impl; | ||
|  | 
 | ||
|  |         template <> | ||
|  |         struct deref_data_impl<iterator_facade_tag> | ||
|  |         { | ||
|  |             template <typename It> | ||
|  |             struct apply | ||
|  |               : It::template deref_data<It> | ||
|  |             {}; | ||
|  |        }; | ||
|  |     } | ||
|  | 
 | ||
|  |     namespace result_of | ||
|  |     { | ||
|  |         template <typename It> | ||
|  |         struct deref_data | ||
|  |           : extension::deref_data_impl<typename traits::tag_of<It>::type>:: | ||
|  |                 template apply<It> | ||
|  |         {}; | ||
|  |     } | ||
|  | 
 | ||
|  |     template <typename It> | ||
|  |     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | ||
|  |     inline typename result_of::deref_data<It>::type | ||
|  |     deref_data(It const& it) | ||
|  |     { | ||
|  |         return result_of::deref_data<It>::call(it); | ||
|  |     } | ||
|  | }} | ||
|  | 
 | ||
|  | #endif |