Chris@16: 
Chris@16: #ifndef BOOST_MPL_PROTECT_HPP_INCLUDED
Chris@16: #define BOOST_MPL_PROTECT_HPP_INCLUDED
Chris@16: 
Chris@16: // Copyright Peter Dimov 2001
Chris@16: // Copyright Aleksey Gurtovoy 2002-2004
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. 
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: // See http://www.boost.org/libs/mpl for documentation.
Chris@16: 
Chris@101: // $Id$
Chris@101: // $Date$
Chris@101: // $Revision$
Chris@16: 
Chris@16: #include <boost/mpl/aux_/arity.hpp>
Chris@16: #include <boost/mpl/aux_/config/dtp.hpp>
Chris@16: #include <boost/mpl/aux_/nttp_decl.hpp>
Chris@16: #include <boost/mpl/aux_/na_spec.hpp>
Chris@16: 
Chris@16: namespace boost { namespace mpl {
Chris@16: 
Chris@16: template<
Chris@16:       typename BOOST_MPL_AUX_NA_PARAM(T)
Chris@16:     , int not_le_ = 0
Chris@16:     >
Chris@16: struct protect : T
Chris@16: {
Chris@16: #if BOOST_WORKAROUND(__EDG_VERSION__, == 238)
Chris@16:     typedef mpl::protect type;
Chris@16: #else
Chris@16:     typedef protect type;
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: #if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES)
Chris@16: namespace aux { 
Chris@16: template< BOOST_MPL_AUX_NTTP_DECL(int, N), typename T >
Chris@16: struct arity< protect<T>, N > 
Chris@16:     : arity<T,N>
Chris@16: { 
Chris@16: };
Chris@16: } // namespace aux
Chris@16: #endif
Chris@16: 
Chris@16: BOOST_MPL_AUX_NA_SPEC_MAIN(1, protect)
Chris@16: #if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
Chris@16: BOOST_MPL_AUX_NA_SPEC_TEMPLATE_ARITY(1, 1, protect)
Chris@16: #endif
Chris@16: 
Chris@16: }}
Chris@16: 
Chris@16: #endif // BOOST_MPL_PROTECT_HPP_INCLUDED