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- /*=============================================================================
- Copyright (c) 2001-2011 Joel de Guzman
- Copyright (c) 2006 Dan Marsden
- 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_ADVANCE_IMPL_20060222_2150)
- #define BOOST_FUSION_ADVANCE_IMPL_20060222_2150
- namespace example
- {
- struct example_struct_iterator_tag;
- template<typename Struct, int Pos>
- struct example_struct_iterator;
- }
- namespace boost { namespace fusion {
- namespace extension
- {
- template<typename Tag>
- struct advance_impl;
- template<>
- struct advance_impl<example::example_struct_iterator_tag>
- {
- template<typename Iterator, typename N>
- struct apply
- {
- typedef typename Iterator::struct_type struct_type;
- typedef typename Iterator::index index;
- typedef example::example_struct_iterator<
- struct_type, index::value + N::value> type;
- static type
- call(Iterator const& it)
- {
- return type(it.struct_);
- }
- };
- };
- }
- }}
- #endif
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