30 lines
		
	
	
		
			918 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			30 lines
		
	
	
		
			918 B
		
	
	
	
		
			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_VIEW_FILTER_VIEW_DETAIL_KEY_OF_IMPL_HPP | ||
|  | #define BOOST_FUSION_VIEW_FILTER_VIEW_DETAIL_KEY_OF_IMPL_HPP | ||
|  | 
 | ||
|  | #include <boost/fusion/support/config.hpp> | ||
|  | #include <boost/fusion/iterator/key_of.hpp> | ||
|  | 
 | ||
|  | namespace boost { namespace fusion { namespace extension | ||
|  | { | ||
|  |     template <typename> | ||
|  |     struct key_of_impl; | ||
|  | 
 | ||
|  |     template <> | ||
|  |     struct key_of_impl<filter_view_iterator_tag> | ||
|  |     { | ||
|  |         template <typename It> | ||
|  |         struct apply | ||
|  |           : result_of::key_of<typename It::first_type> | ||
|  |         {}; | ||
|  |     }; | ||
|  | }}} | ||
|  | 
 | ||
|  | #endif |