67 lines
1.8 KiB
Plaintext
67 lines
1.8 KiB
Plaintext
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/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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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_MPL_ITERATOR_CATEGORY_07212005_0923)
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#define FUSION_MPL_ITERATOR_CATEGORY_07212005_0923
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namespace boost { namespace mpl
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{
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struct forward_iterator_tag;
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struct bidirectional_iterator_tag;
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struct random_access_iterator_tag;
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}}
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namespace boost { namespace fusion
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{
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struct forward_traversal_tag;
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struct bidirectional_traversal_tag;
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struct random_access_traversal_tag;
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}}
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namespace boost { namespace fusion { namespace detail
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{
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template <typename Category>
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struct mpl_iterator_category;
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template <>
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struct mpl_iterator_category<mpl::forward_iterator_tag>
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{
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typedef forward_traversal_tag type;
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};
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template <>
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struct mpl_iterator_category<mpl::bidirectional_iterator_tag>
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{
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typedef bidirectional_traversal_tag type;
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};
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template <>
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struct mpl_iterator_category<mpl::random_access_iterator_tag>
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{
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typedef random_access_traversal_tag type;
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};
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template <>
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struct mpl_iterator_category<forward_traversal_tag>
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{
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typedef forward_traversal_tag type;
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};
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template <>
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struct mpl_iterator_category<bidirectional_traversal_tag>
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{
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typedef bidirectional_traversal_tag type;
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};
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template <>
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struct mpl_iterator_category<random_access_traversal_tag>
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{
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typedef random_access_traversal_tag type;
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};
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}}}
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#endif
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