Added boost header

test/external/boost/fusion/adapted/struct/detail/at_impl.hpp

@@ -0,0 +1,38 @@
+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c) 2005-2006 Dan Marsden
+    Copyright (c) 2009-2010 Christopher Schmidt
+
+    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_ADAPTED_STRUCT_DETAIL_AT_IMPL_HPP
+#define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_AT_IMPL_HPP
+
+#include <boost/mpl/int.hpp>
+
+namespace boost { namespace fusion { namespace extension
+{
+    template<typename>
+    struct at_impl;
+
+    template <>
+    struct at_impl<struct_tag>
+    {
+        template <typename Seq, typename N>
+        struct apply
+          : access::struct_member<
+                typename remove_const<Seq>::type
+              , N::value
+            >::template apply<Seq>
+        {};
+    };
+
+    template <>
+    struct at_impl<assoc_struct_tag>
+      : at_impl<struct_tag>
+    {};
+}}}
+
+#endif