[44] | 1 | |
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| 2 | // Copyright Aleksey Gurtovoy 2000-2004 |
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| 3 | // |
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| 4 | // Distributed under the Boost Software License, Version 1.0. |
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| 5 | // (See accompanying file LICENSE_1_0.txt or copy at |
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| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 7 | // |
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| 8 | |
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| 9 | // Preprocessed version of "boost/mpl/aux_/advance_backward.hpp" header |
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| 10 | // -- DO NOT modify by hand! |
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| 11 | |
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| 12 | namespace boost { namespace mpl { namespace aux { |
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| 13 | |
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| 14 | template< long N > struct advance_backward; |
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| 15 | template<> |
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| 16 | struct advance_backward<0> |
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| 17 | { |
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| 18 | template< typename Iterator > struct apply |
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| 19 | { |
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| 20 | typedef Iterator iter0; |
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| 21 | typedef iter0 type; |
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| 22 | }; |
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| 23 | }; |
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| 24 | |
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| 25 | template<> |
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| 26 | struct advance_backward<1> |
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| 27 | { |
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| 28 | template< typename Iterator > struct apply |
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| 29 | { |
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| 30 | typedef Iterator iter0; |
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| 31 | typedef typename prior<iter0>::type iter1; |
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| 32 | typedef iter1 type; |
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| 33 | }; |
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| 34 | }; |
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| 35 | |
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| 36 | template<> |
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| 37 | struct advance_backward<2> |
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| 38 | { |
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| 39 | template< typename Iterator > struct apply |
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| 40 | { |
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| 41 | typedef Iterator iter0; |
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| 42 | typedef typename prior<iter0>::type iter1; |
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| 43 | typedef typename prior<iter1>::type iter2; |
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| 44 | typedef iter2 type; |
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| 45 | }; |
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| 46 | }; |
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| 47 | |
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| 48 | template<> |
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| 49 | struct advance_backward<3> |
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| 50 | { |
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| 51 | template< typename Iterator > struct apply |
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| 52 | { |
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| 53 | typedef Iterator iter0; |
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| 54 | typedef typename prior<iter0>::type iter1; |
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| 55 | typedef typename prior<iter1>::type iter2; |
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| 56 | typedef typename prior<iter2>::type iter3; |
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| 57 | typedef iter3 type; |
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| 58 | }; |
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| 59 | }; |
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| 60 | |
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| 61 | template<> |
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| 62 | struct advance_backward<4> |
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| 63 | { |
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| 64 | template< typename Iterator > struct apply |
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| 65 | { |
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| 66 | typedef Iterator iter0; |
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| 67 | typedef typename prior<iter0>::type iter1; |
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| 68 | typedef typename prior<iter1>::type iter2; |
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| 69 | typedef typename prior<iter2>::type iter3; |
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| 70 | typedef typename prior<iter3>::type iter4; |
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| 71 | typedef iter4 type; |
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| 72 | }; |
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| 73 | }; |
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| 74 | |
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| 75 | template< long N > |
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| 76 | struct advance_backward |
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| 77 | { |
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| 78 | template< typename Iterator > struct apply |
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| 79 | { |
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| 80 | typedef typename apply_wrap1< |
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| 81 | advance_backward<4> |
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| 82 | , Iterator |
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| 83 | >::type chunk_result_; |
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| 84 | |
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| 85 | typedef typename apply_wrap1< |
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| 86 | advance_backward<( |
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| 87 | (N - 4) < 0 |
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| 88 | ? 0 |
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| 89 | : N - 4 |
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| 90 | )> |
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| 91 | , chunk_result_ |
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| 92 | >::type type; |
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| 93 | }; |
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| 94 | }; |
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| 95 | |
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| 96 | }}} |
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| 97 | |
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