63e88f80
 Hu Chunming
提交三方库
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#ifndef BOOST_MPL_AS_SEQUENCE_HPP_INCLUDED
#define BOOST_MPL_AS_SEQUENCE_HPP_INCLUDED
// Copyright Aleksey Gurtovoy 2002-2004
//
// 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.
// $Id$
// $Date$
// $Revision$
#include <boost/mpl/is_sequence.hpp>
#include <boost/mpl/single_view.hpp>
#include <boost/mpl/if.hpp>
#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>
namespace boost { namespace mpl {
template<
typename BOOST_MPL_AUX_NA_PARAM(T)
>
struct as_sequence
: if_< is_sequence<T>, T, single_view<T> >
{
BOOST_MPL_AUX_LAMBDA_SUPPORT(1,as_sequence,(T))
};
BOOST_MPL_AUX_NA_SPEC_NO_ETI(1, as_sequence)
}}
#endif // BOOST_MPL_AS_SEQUENCE_HPP_INCLUDED
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