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.svn/pristine/dd/dd758e237e503cf0f1f4e581014ae33b908167a8.svn-base

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+/*=============================================================================
+    Copyright (c) 1999-2003 Jaakko Jarvi
+    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_AS_FUSION_ELEMENT_05052005_0338)
+#define FUSION_AS_FUSION_ELEMENT_05052005_0338
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/ref.hpp>
+
+#ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
+#include <functional>
+#endif
+
+namespace boost { namespace fusion { namespace detail
+{
+    template <typename T>
+    struct as_fusion_element
+    {
+        typedef T type;
+    };
+
+    template <typename T>
+    struct as_fusion_element<reference_wrapper<T> >
+    {
+        typedef T& type;
+    };
+
+#ifndef BOOST_NO_CXX11_HDR_FUNCTIONAL
+    template <typename T>
+    struct as_fusion_element<std::reference_wrapper<T> >
+    {
+        typedef T& type;
+    };
+#endif
+
+    template <typename T, int N>
+    struct as_fusion_element<T[N]>
+    {
+        typedef const T(&type)[N];
+    };
+
+    template <typename T, int N>
+    struct as_fusion_element<volatile T[N]>
+    {
+        typedef const volatile T(&type)[N];
+    };
+
+    template <typename T, int N>
+    struct as_fusion_element<const volatile T[N]>
+    {
+        typedef const volatile T(&type)[N];
+    };
+
+}}}
+
+#endif