| 1 |  | 
| 2 | #ifndef BOOST_MPL_AUX_HAS_APPLY_HPP_INCLUDED | 
| 3 | #define BOOST_MPL_AUX_HAS_APPLY_HPP_INCLUDED | 
| 4 |  | 
| 5 | // Copyright Aleksey Gurtovoy 2004 | 
| 6 | // | 
| 7 | // Distributed under the Boost Software License, Version 1.0.  | 
| 8 | // (See accompanying file LICENSE_1_0.txt or copy at  | 
| 9 | // http://www.boost.org/LICENSE_1_0.txt) | 
| 10 | // | 
| 11 | // See http://www.boost.org/libs/mpl for documentation. | 
| 12 |  | 
| 13 | // $Id$ | 
| 14 | // $Date$ | 
| 15 | // $Revision$ | 
| 16 |  | 
| 17 | #include <boost/mpl/has_xxx.hpp> | 
| 18 | #include <boost/mpl/aux_/config/has_apply.hpp> | 
| 19 |  | 
| 20 | namespace boost { namespace mpl { namespace aux { | 
| 21 | #if !defined(BOOST_MPL_CFG_NO_HAS_APPLY) | 
| 22 | BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_apply, apply, false) | 
| 23 | #else | 
| 24 | template< typename T, typename fallback_ = false_ > | 
| 25 | struct has_apply | 
| 26 |     : fallback_ | 
| 27 | { | 
| 28 | }; | 
| 29 | #endif | 
| 30 | }}} | 
| 31 |  | 
| 32 | #endif // BOOST_MPL_AUX_HAS_APPLY_HPP_INCLUDED | 
| 33 |  |