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+/*=============================================================================
+ Copyright (c) 2015 Kohei Takahashi
+
+ 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_DETAIL_ENABLER_12102015_0346
+#define BOOST_FUSION_SUPPORT_DETAIL_ENABLER_12102015_0346
+
+#include <boost/config.hpp>
+
+namespace boost { namespace fusion { namespace detail
+{
+
+struct enabler_ {};
+BOOST_STATIC_CONSTEXPR enabler_ enabler = {};
+
+}}}
+
+#endif
+