Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
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+/*=============================================================================
+    Copyright (c) 2009 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_VIEW_REVERSE_VIEW_DETAIL_VALUE_AT_IMPL_HPP
+#define BOOST_FUSION_VIEW_REVERSE_VIEW_DETAIL_VALUE_AT_IMPL_HPP
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/sequence/intrinsic/value_at.hpp>
+#include <boost/mpl/minus.hpp>
+#include <boost/mpl/int.hpp>
+
+namespace boost { namespace fusion { namespace extension
+{
+    template <typename>
+    struct value_at_impl;
+
+    template <>
+    struct value_at_impl<reverse_view_tag>
+    {
+        template <typename Seq, typename N>
+        struct apply
+          : result_of::value_at<
+                typename Seq::seq_type
+              , mpl::minus<typename Seq::size, mpl::int_<1>, N>
+            >
+        {};
+    };
+}}}
+
+#endif