Chris@16: /*=============================================================================
Chris@16:     Copyright (c) 2012 Nathan Ridge
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: #ifndef BOOST_FUSION_SUPPORT_AS_CONST_HPP
Chris@16: #define BOOST_FUSION_SUPPORT_AS_CONST_HPP
Chris@16: 
Chris@101: #include <boost/config.hpp>
Chris@101: #include <boost/fusion/support/config.hpp>
Chris@101: 
Chris@16: namespace boost { namespace fusion { namespace extension
Chris@16: {
Chris@16:     // A customization point that allows certain wrappers around
Chris@16:     // Fusion sequence elements (e.g. adt_attribute_proxy) to be
Chris@16:     // unwrapped in contexts where the element only needs to be
Chris@16:     // read. The library wraps accesses to Fusion elements in
Chris@16:     // such contexts with calls to this function. Users can
Chris@16:     // specialize this function for their own wrappers.
Chris@16:     template <typename T>
Chris@101:     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
Chris@101:     inline const T& as_const(const T& obj) BOOST_NOEXCEPT
Chris@16:     {
Chris@16:         return obj;
Chris@16:     }
Chris@16: 
Chris@16: }}}
Chris@16: 
Chris@16: #endif