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