1 files changed, 36 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/fusion/iterator/detail/adapt_deref_traits.hpp b/src/third_party/boost-1.69.0/boost/fusion/iterator/detail/adapt_deref_traits.hpp
new file mode 100644
index 00000000000..bee0934f579
--- /dev/null
+++ b/src/third_party/boost-1.69.0/boost/fusion/iterator/detail/adapt_deref_traits.hpp
@@ -0,0 +1,36 @@
+/*=============================================================================
+    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_ADAPT_DEREF_TRAITS_05062005_0900)
+#define FUSION_ADAPT_DEREF_TRAITS_05062005_0900
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/iterator/deref.hpp>
+
+namespace boost { namespace fusion { namespace detail
+{
+    struct adapt_deref_traits
+    {
+        template <typename Iterator>
+        struct apply
+        {
+            typedef typename
+                result_of::deref<typename Iterator::first_type>::type
+            type;
+
+            BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+            static type
+            call(Iterator const& i)
+            {
+                return *i.first;
+            }
+        };
+    };
+}}}
+
+#endif
+
+