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55 lines
1.3 KiB
55 lines
1.3 KiB
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#ifndef BOOST_MPL_PROTECT_HPP_INCLUDED |
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#define BOOST_MPL_PROTECT_HPP_INCLUDED |
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// Copyright Peter Dimov 2001 |
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// Copyright Aleksey Gurtovoy 2002-2004 |
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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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// See http://www.boost.org/libs/mpl for documentation. |
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// $Id: protect.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
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// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
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// $Revision: 49267 $ |
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#include <boost/mpl/aux_/arity.hpp> |
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#include <boost/mpl/aux_/config/dtp.hpp> |
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#include <boost/mpl/aux_/nttp_decl.hpp> |
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#include <boost/mpl/aux_/na_spec.hpp> |
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namespace boost { namespace mpl { |
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template< |
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typename BOOST_MPL_AUX_NA_PARAM(T) |
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, int not_le_ = 0 |
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> |
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struct protect : T |
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{ |
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#if BOOST_WORKAROUND(__EDG_VERSION__, == 238) |
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typedef mpl::protect type; |
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#else |
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typedef protect type; |
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#endif |
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}; |
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#if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES) |
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namespace aux { |
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template< BOOST_MPL_AUX_NTTP_DECL(int, N), typename T > |
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struct arity< protect<T>, N > |
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: arity<T,N> |
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{ |
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}; |
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} // namespace aux |
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#endif |
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BOOST_MPL_AUX_NA_SPEC_MAIN(1, protect) |
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#if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT) |
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BOOST_MPL_AUX_NA_SPEC_TEMPLATE_ARITY(1, 1, protect) |
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#endif |
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}} |
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#endif // BOOST_MPL_PROTECT_HPP_INCLUDED
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