98 lines
2.2 KiB
C++
98 lines
2.2 KiB
C++
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// Copyright Aleksey Gurtovoy 2000-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Preprocessed version of "boost/mpl/aux_/advance_backward.hpp" header
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// -- DO NOT modify by hand!
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namespace boost { namespace mpl { namespace aux {
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template< long N > struct advance_backward;
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template<>
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struct advance_backward<0>
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{
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template< typename Iterator > struct apply
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{
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typedef Iterator iter0;
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typedef iter0 type;
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};
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};
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template<>
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struct advance_backward<1>
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{
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template< typename Iterator > struct apply
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{
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typedef Iterator iter0;
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typedef typename prior<iter0>::type iter1;
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typedef iter1 type;
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};
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};
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template<>
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struct advance_backward<2>
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{
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template< typename Iterator > struct apply
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{
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typedef Iterator iter0;
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typedef typename prior<iter0>::type iter1;
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typedef typename prior<iter1>::type iter2;
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typedef iter2 type;
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};
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};
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template<>
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struct advance_backward<3>
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{
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template< typename Iterator > struct apply
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{
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typedef Iterator iter0;
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typedef typename prior<iter0>::type iter1;
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typedef typename prior<iter1>::type iter2;
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typedef typename prior<iter2>::type iter3;
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typedef iter3 type;
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};
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};
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template<>
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struct advance_backward<4>
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{
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template< typename Iterator > struct apply
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{
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typedef Iterator iter0;
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typedef typename prior<iter0>::type iter1;
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typedef typename prior<iter1>::type iter2;
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typedef typename prior<iter2>::type iter3;
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typedef typename prior<iter3>::type iter4;
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typedef iter4 type;
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};
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};
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template< long N >
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struct advance_backward
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{
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template< typename Iterator > struct apply
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{
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typedef typename apply_wrap1<
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advance_backward<4>
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, Iterator
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>::type chunk_result_;
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typedef typename apply_wrap1<
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advance_backward<(
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(N - 4) < 0
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? 0
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: N - 4
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)>
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, chunk_result_
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>::type type;
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};
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};
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}}}
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