forked from boostorg/mpl
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
//-----------------------------------------------------------------------------
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// boost mpl/insert_range_impl.hpp header file
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// See http://www.boost.org for updates, documentation, and revision history.
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//-----------------------------------------------------------------------------
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//
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// Copyright (c) 2000-02
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// Aleksey Gurtovoy
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//
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// Permission to use, copy, modify, distribute and sell this software
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// and its documentation for any purpose is hereby granted without fee,
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// provided that the above copyright notice appears in all copies and
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// that both the copyright notice and this permission notice appear in
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// supporting documentation. No representations are made about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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#ifndef BOOST_MPL_AUX_INSERT_RANGE_IMPL_HPP_INCLUDED
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#define BOOST_MPL_AUX_INSERT_RANGE_IMPL_HPP_INCLUDED
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#include "boost/mpl/copy_backward.hpp"
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#include "boost/mpl/clear.hpp"
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#include "boost/mpl/push_front.hpp"
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#include "boost/mpl/iterator_range.hpp"
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#include "boost/mpl/begin_end.hpp"
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#include "boost/mpl/aux_/void_spec.hpp"
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#include "boost/mpl/aux_/iter_push_front.hpp"
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#include "boost/mpl/aux_/traits_lambda_spec.hpp"
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#include "boost/type_traits/same_traits.hpp"
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namespace boost {
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namespace mpl {
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// default implementation; conrete sequences might override it by
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// specializing either the |insert_range_traits| or the primary
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// |insert_range| template
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template< typename Tag >
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struct insert_range_traits
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{
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template<
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typename Sequence
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, typename Pos
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, typename Range
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>
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struct algorithm
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{
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typedef typename copy_backward<
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iterator_range<Pos, typename end<Sequence>::type>
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, typename clear<Sequence>::type
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, push_front<_,_>
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>::type first_part_;
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typedef typename copy_backward<
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Range
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, first_part_
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, push_front<_,_>
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>::type second_part_;
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typedef typename copy_backward<
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iterator_range<typename begin<Sequence>::type,Pos>
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, second_part_
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, push_front<_,_>
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>::type type;
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};
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};
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BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(3,insert_range_traits)
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} // namespace mpl
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} // namespace boost
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#endif // BOOST_MPL_AUX_INSERT_RANGE_IMPL_HPP_INCLUDED
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