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+// Boost.TypeErasure library
+//
+// Copyright 2011 Steven Watanabe
+//
+// 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)
+//
+// $Id$
+
+#if !defined(BOOST_PP_IS_ITERATING)
+
+#ifndef BOOST_TYPE_ERASURE_DETAIL_NORMALIZE_DEDUCED_HPP_INCLUDED
+#define BOOST_TYPE_ERASURE_DETAIL_NORMALIZE_DEDUCED_HPP_INCLUDED
+
+#include <boost/preprocessor/iteration/iterate.hpp>
+#include <boost/preprocessor/repetition/enum.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+
+namespace boost {
+namespace type_erasure {
+namespace detail {
+
+template<class M, class T>
+struct normalize_deduced;
+template<class M, class T>
+struct normalize_placeholder;
+
+#define BOOST_PP_FILENAME_1 <boost/type_erasure/detail/normalize_deduced.hpp>
+#define BOOST_PP_ITERATION_LIMITS (1, BOOST_TYPE_ERASURE_MAX_ARITY)
+#include BOOST_PP_ITERATE()
+
+}
+}
+}
+
+#endif
+
+#else
+
+#define N BOOST_PP_ITERATION()
+
+#define BOOST_TYPE_ERASURE_NORMALIZE_PLACEHOLDER(z, n, data) \
+ typename ::boost::type_erasure::detail::normalize_placeholder< \
+ M, \
+ BOOST_PP_CAT(U, n) \
+ >::type
+
+template<class M, template<BOOST_PP_ENUM_PARAMS(N, class T)> class T, BOOST_PP_ENUM_PARAMS(N, class U)>
+struct normalize_deduced<M, T<BOOST_PP_ENUM_PARAMS(N, U)> >
+{
+ typedef typename ::boost::type_erasure::deduced<
+ T<BOOST_PP_ENUM(N, BOOST_TYPE_ERASURE_NORMALIZE_PLACEHOLDER, ~)>
+ >::type type;
+};
+
+#undef BOOST_TYPE_ERASURE_NORMALIZE_PLACEHOLDER
+
+#undef N
+
+#endif