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Diffstat (limited to '3rdParty/Boost/src/boost/mpl/aux_/erase_impl.hpp')
-rw-r--r--3rdParty/Boost/src/boost/mpl/aux_/erase_impl.hpp69
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diff --git a/3rdParty/Boost/src/boost/mpl/aux_/erase_impl.hpp b/3rdParty/Boost/src/boost/mpl/aux_/erase_impl.hpp
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+++ b/3rdParty/Boost/src/boost/mpl/aux_/erase_impl.hpp
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+
+#ifndef BOOST_MPL_AUX_ERASE_IMPL_HPP_INCLUDED
+#define BOOST_MPL_AUX_ERASE_IMPL_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: erase_impl.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
+// $Revision: 49267 $
+
+#include <boost/mpl/clear.hpp>
+#include <boost/mpl/push_front.hpp>
+#include <boost/mpl/reverse_fold.hpp>
+#include <boost/mpl/iterator_range.hpp>
+#include <boost/mpl/next.hpp>
+#include <boost/mpl/aux_/na.hpp>
+
+namespace boost { namespace mpl {
+
+// default implementation; conrete sequences might override it by
+// specializing either the 'erase_impl' or the primary 'erase' template
+
+template< typename Tag >
+struct erase_impl
+{
+ template<
+ typename Sequence
+ , typename First
+ , typename Last
+ >
+ struct apply
+ {
+ typedef typename if_na< Last,typename next<First>::type >::type last_;
+
+ // 1st half: [begin, first)
+ typedef iterator_range<
+ typename begin<Sequence>::type
+ , First
+ > first_half_;
+
+ // 2nd half: [last, end) ... that is, [last + 1, end)
+ typedef iterator_range<
+ last_
+ , typename end<Sequence>::type
+ > second_half_;
+
+ typedef typename reverse_fold<
+ second_half_
+ , typename clear<Sequence>::type
+ , push_front<_,_>
+ >::type half_sequence_;
+
+ typedef typename reverse_fold<
+ first_half_
+ , half_sequence_
+ , push_front<_,_>
+ >::type type;
+ };
+};
+
+}}
+
+#endif // BOOST_MPL_AUX_ERASE_IMPL_HPP_INCLUDED