| |
| #ifndef BOOST_MPL_PROTECT_HPP_INCLUDED |
| #define BOOST_MPL_PROTECT_HPP_INCLUDED |
| |
| // Copyright Peter Dimov 2001 |
| // 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/aux_/arity.hpp> |
| #include <boost/mpl/aux_/config/dtp.hpp> |
| #include <boost/mpl/aux_/nttp_decl.hpp> |
| #include <boost/mpl/aux_/na_spec.hpp> |
| |
| namespace boost { namespace mpl { |
| |
| template< |
| typename BOOST_MPL_AUX_NA_PARAM(T) |
| , int not_le_ = 0 |
| > |
| struct protect : T |
| { |
| #if BOOST_WORKAROUND(__EDG_VERSION__, == 238) |
| typedef mpl::protect type; |
| #else |
| typedef protect type; |
| #endif |
| }; |
| |
| #if defined(BOOST_MPL_CFG_BROKEN_DEFAULT_PARAMETERS_IN_NESTED_TEMPLATES) |
| namespace aux { |
| template< BOOST_MPL_AUX_NTTP_DECL(int, N), typename T > |
| struct arity< protect<T>, N > |
| : arity<T,N> |
| { |
| }; |
| } // namespace aux |
| #endif |
| |
| BOOST_MPL_AUX_NA_SPEC_MAIN(1, protect) |
| #if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT) |
| BOOST_MPL_AUX_NA_SPEC_TEMPLATE_ARITY(1, 1, protect) |
| #endif |
| |
| }} |
| |
| #endif // BOOST_MPL_PROTECT_HPP_INCLUDED |