1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/mpl/unique.hpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,85 @@
1.4 +
1.5 +#ifndef BOOST_MPL_UNIQUE_HPP_INCLUDED
1.6 +#define BOOST_MPL_UNIQUE_HPP_INCLUDED
1.7 +
1.8 +// Copyright Aleksey Gurtovoy 2000-2004
1.9 +// Copyright John R. Bandela 2000-2002
1.10 +//
1.11 +// Distributed under the Boost Software License, Version 1.0.
1.12 +// (See accompanying file LICENSE_1_0.txt or copy at
1.13 +// http://www.boost.org/LICENSE_1_0.txt)
1.14 +//
1.15 +// See http://www.boost.org/libs/mpl for documentation.
1.16 +
1.17 +// $Source: /cvsroot/boost/boost/boost/mpl/unique.hpp,v $
1.18 +// $Date: 2004/09/02 15:40:42 $
1.19 +// $Revision: 1.7 $
1.20 +
1.21 +#include <boost/mpl/fold.hpp>
1.22 +#include <boost/mpl/reverse_fold.hpp>
1.23 +#include <boost/mpl/eval_if.hpp>
1.24 +#include <boost/mpl/and.hpp>
1.25 +#include <boost/mpl/identity.hpp>
1.26 +#include <boost/mpl/pair.hpp>
1.27 +#include <boost/mpl/apply.hpp>
1.28 +#include <boost/mpl/aux_/inserter_algorithm.hpp>
1.29 +#include <boost/mpl/aux_/na.hpp>
1.30 +#include <boost/mpl/aux_/na_spec.hpp>
1.31 +#include <boost/mpl/aux_/lambda_spec.hpp>
1.32 +
1.33 +namespace boost { namespace mpl {
1.34 +
1.35 +namespace aux {
1.36 +
1.37 +template< typename Predicate, typename Operation >
1.38 +struct unique_op
1.39 +{
1.40 + template< typename Pair, typename T > struct apply
1.41 + {
1.42 + typedef typename Pair::first seq_;
1.43 + typedef typename Pair::second prior_;
1.44 + typedef typename eval_if<
1.45 + and_< is_not_na<prior_>, apply2<Predicate,prior_,T> >
1.46 + , identity<seq_>
1.47 + , apply2<Operation,seq_,T>
1.48 + >::type new_seq_;
1.49 +
1.50 + typedef pair<new_seq_,T> type;
1.51 + };
1.52 +};
1.53 +
1.54 +template<
1.55 + typename Sequence
1.56 + , typename Predicate
1.57 + , typename Inserter
1.58 + >
1.59 +struct unique_impl
1.60 + : first< typename fold<
1.61 + Sequence
1.62 + , pair< typename Inserter::state,na >
1.63 + , protect< aux::unique_op<Predicate,typename Inserter::operation> >
1.64 + >::type >
1.65 +{
1.66 +};
1.67 +
1.68 +template<
1.69 + typename Sequence
1.70 + , typename Predicate
1.71 + , typename Inserter
1.72 + >
1.73 +struct reverse_unique_impl
1.74 + : first< typename reverse_fold<
1.75 + Sequence
1.76 + , pair< typename Inserter::state,na >
1.77 + , protect< aux::unique_op<Predicate,typename Inserter::operation> >
1.78 + >::type >
1.79 +{
1.80 +};
1.81 +
1.82 +} // namespace aux
1.83 +
1.84 +BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(3, unique)
1.85 +
1.86 +}}
1.87 +
1.88 +#endif // BOOST_MPL_UNIQUE_HPP_INCLUDED