/*============================================================================= | |
Copyright (c) 2001-2006 Joel de Guzman | |
Copyright (c) 2005-2006 Dan Marsden | |
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) | |
==============================================================================*/ | |
#if !defined(BOOST_FUSION_HAS_KEY_IMPL_31122005_1647) | |
#define BOOST_FUSION_HAS_KEY_IMPL_31122005_1647 | |
#include <boost/mpl/has_key.hpp> | |
namespace boost { namespace fusion | |
{ | |
struct mpl_sequence_tag; | |
namespace extension | |
{ | |
template <typename Tag> | |
struct has_key_impl; | |
template <> | |
struct has_key_impl<mpl_sequence_tag> | |
{ | |
template <typename Sequence, typename Key> | |
struct apply : mpl::has_key<Sequence, Key> {}; | |
}; | |
} | |
}} | |
#endif |