Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2001 Doug Gregor
Chris@16:     Copyright (c) 1999-2003 Jaakko Jarvi
Chris@16:     Copyright (c) 2001-2011 Joel de Guzman
Chris@16: 
Chris@16:     Distributed under the Boost Software License, Version 1.0. (See accompanying 
Chris@16:     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: ==============================================================================*/
Chris@16: #if !defined(FUSION_IGNORE_07192005_0329)
Chris@16: #define FUSION_IGNORE_07192005_0329
Chris@16: 
Chris@16: namespace boost { namespace fusion
Chris@16: {
Chris@16:     //  Swallows any assignment (by Doug Gregor)
Chris@16:     namespace detail
Chris@16:     {
Chris@16:         struct swallow_assign
Chris@16:         {
Chris@16:             template<typename T>
Chris@101:             BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
Chris@16:             swallow_assign const&
Chris@16:             operator=(const T&) const
Chris@16:             {
Chris@16:                 return *this;
Chris@16:             }
Chris@16:         };
Chris@16:     }
Chris@16: 
Chris@16:     //  "ignore" allows tuple positions to be ignored when using "tie".
Chris@101:     BOOST_CONSTEXPR detail::swallow_assign const ignore = detail::swallow_assign();
Chris@16: }}
Chris@16: 
Chris@16: #endif