Updated boost to v1.55.0

[rsem.git] / boost / fusion / view / iterator_range / detail / value_at_impl.hpp

diff --git a/boost/fusion/view/iterator_range/detail/value_at_impl.hpp b/boost/fusion/view/iterator_range/detail/value_at_impl.hpp
new file mode 100644 (file)
index 0000000..b6fe888
--- /dev/null
+++ b/boost/fusion/view/iterator_range/detail/value_at_impl.hpp
@@ -0,0 +1,38 @@
+/*=============================================================================
+    Copyright (c) 2007 Tobias Schwinger
+
+    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(BOOST_FUSION_ITERATOR_RANGE_VALUE_AT_IMPL_HPP_INCLUDED)
+#define BOOST_FUSION_ITERATOR_RANGE_VALUE_AT_IMPL_HPP_INCLUDED
+
+#include <boost/fusion/iterator/advance.hpp>
+#include <boost/fusion/iterator/value_of.hpp>
+
+namespace boost { namespace fusion
+{
+    struct iterator_range_tag;
+
+    namespace extension
+    {
+        template <typename Tag>
+        struct value_at_impl;
+
+        template <>
+        struct value_at_impl<iterator_range_tag>
+        {
+            template <typename Seq, typename N>
+            struct apply
+            {
+                typedef typename Seq::begin_type begin_type;
+                typedef typename result_of::advance<begin_type,N>::type pos;
+                typedef typename result_of::value_of<pos>::type type;
+            };
+        };
+    }
+}}
+
+#endif
+