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_FILTER_VIEW_DETAIL_DEREF_DATA_IMPL_HPP
+#define BOOST_FUSION_VIEW_FILTER_VIEW_DETAIL_DEREF_DATA_IMPL_HPP
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/iterator/deref_data.hpp>
+
+namespace boost { namespace fusion { namespace extension
+{
+    template <typename>
+    struct deref_data_impl;
+
+    template <>
+    struct deref_data_impl<filter_view_iterator_tag>
+    {
+        template <typename It>
+        struct apply
+        {
+            typedef typename
+                result_of::deref_data<typename It::first_type>::type
+            type;
+
+            BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+            static type
+            call(It const& it)
+            {
+                return fusion::deref_data(it.first);
+            }
+        };
+    };
+}}}
+
+#endif