Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
14352 changed files with 3176737 additions and 0 deletions
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+/*=============================================================================
+    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_DEREF_IMPL_05042005_1037)
+#define FUSION_DEREF_IMPL_05042005_1037
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/support/detail/access.hpp>
+#include <boost/fusion/container/vector/detail/value_at_impl.hpp>
+#include <boost/type_traits/is_const.hpp>
+#include <boost/mpl/if.hpp>
+
+namespace boost { namespace fusion
+{
+    struct vector_iterator_tag;
+
+    namespace extension
+    {
+        template <typename Tag>
+        struct deref_impl;
+
+        template <>
+        struct deref_impl<vector_iterator_tag>
+        {
+            template <typename Iterator>
+            struct apply
+            {
+                typedef typename Iterator::vector vector;
+                typedef typename Iterator::index index;
+                typedef typename value_at_impl<vector_tag>::template apply<vector, index>::type element;
+
+                typedef typename
+                    mpl::if_<
+                        is_const<vector>
+                      , typename fusion::detail::cref_result<element>::type
+                      , typename fusion::detail::ref_result<element>::type
+                    >::type
+                type;
+
+                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+                static type
+                call(Iterator const& i)
+                {
+                    return i.vec.at_impl(index());
+                }
+            };
+        };
+    }
+}}
+
+#endif