50 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			50 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | /*============================================================================= | ||
|  |     Copyright (c) 2011 Eric Niebler | ||
|  | 
 | ||
|  |     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) | ||
|  | ==============================================================================*/ | ||
|  | 
 | ||
|  | #if !defined(BOOST_FUSION_SINGLE_VIEW_ADVANCE_IMPL_JUL_07_2011_1348PM) | ||
|  | #define BOOST_FUSION_SINGLE_VIEW_ADVANCE_IMPL_JUL_07_2011_1348PM | ||
|  | 
 | ||
|  | #include <boost/fusion/support/config.hpp> | ||
|  | #include <boost/mpl/plus.hpp> | ||
|  | 
 | ||
|  | namespace boost { namespace fusion  | ||
|  | { | ||
|  |     struct single_view_iterator_tag; | ||
|  | 
 | ||
|  |     template <typename SingleView, typename Pos> | ||
|  |     struct single_view_iterator; | ||
|  | 
 | ||
|  |     namespace extension | ||
|  |     { | ||
|  |         template<typename Tag> | ||
|  |         struct advance_impl; | ||
|  | 
 | ||
|  |         template<> | ||
|  |         struct advance_impl<single_view_iterator_tag> | ||
|  |         { | ||
|  |             template<typename Iterator, typename Dist> | ||
|  |             struct apply | ||
|  |             { | ||
|  |                 typedef single_view_iterator< | ||
|  |                     typename Iterator::single_view_type, | ||
|  |                     typename mpl::plus<typename Iterator::position, Dist>::type> | ||
|  |                 type; | ||
|  | 
 | ||
|  |                 BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED | ||
|  |                 static type | ||
|  |                 call(Iterator const& i) | ||
|  |                 { | ||
|  |                     return type(i.view); | ||
|  |                 } | ||
|  |             }; | ||
|  |         }; | ||
|  |     } | ||
|  | 
 | ||
|  | }} | ||
|  | 
 | ||
|  | #endif |