52 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
/*=============================================================================
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    Copyright (c) 2001-2011 Joel de Guzman
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    Copyright (c) 2005 Eric Niebler
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    Distributed under the Boost Software License, Version 1.0. (See accompanying 
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    file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_BEGIN_IMPL_07172005_0824)
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#define FUSION_BEGIN_IMPL_07172005_0824
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#include <boost/fusion/support/config.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/type_traits/is_const.hpp>
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namespace boost { namespace fusion
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{
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    struct nil_;
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    struct cons_tag;
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    template <typename Car, typename Cdr>
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    struct cons;
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    template <typename Cons>
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    struct cons_iterator;
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    namespace extension
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    {
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        template <typename Tag>
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        struct begin_impl;
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        template <>
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        struct begin_impl<cons_tag>
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        {
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            template <typename Sequence>
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            struct apply
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            {
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                typedef cons_iterator<Sequence> type;
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                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
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                static type
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                call(Sequence& t)
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                {
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                    return type(t);
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                }
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            };
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        };
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    }
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}}
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#endif
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