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Diffstat (limited to 'boost/fusion/mpl/has_key.hpp')
| -rw-r--r-- | boost/fusion/mpl/has_key.hpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/boost/fusion/mpl/has_key.hpp b/boost/fusion/mpl/has_key.hpp new file mode 100644 index 0000000000..6ab5ea157f --- /dev/null +++ b/boost/fusion/mpl/has_key.hpp @@ -0,0 +1,27 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + + 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(FUSION_HAS_KEY_10022005_1617) +#define FUSION_HAS_KEY_10022005_1617 + +#include <boost/mpl/has_key.hpp> +#include <boost/fusion/sequence/intrinsic/has_key.hpp> + +namespace boost { namespace mpl +{ + template <typename Tag> + struct has_key_impl; + + template <> + struct has_key_impl<fusion::fusion_sequence_tag> + { + template <typename Sequence, typename Key> + struct apply : fusion::result_of::has_key<Sequence, Key> {}; + }; +}} + +#endif + |