Updated boost to v1.55.0

[rsem.git] / boost / fusion / sequence / intrinsic / detail / segmented_end_impl.hpp

diff --git a/boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp b/boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp
new file mode 100644 (file)
index 0000000..149027b
--- /dev/null
+++ b/boost/fusion/sequence/intrinsic/detail/segmented_end_impl.hpp
@@ -0,0 +1,59 @@
+/*=============================================================================
+    Copyright (c) 2011 Eric Niebler
+
+    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_SEGMENTED_END_IMPL_HPP_INCLUDED)
+#define BOOST_FUSION_SEGMENTED_END_IMPL_HPP_INCLUDED
+
+#include <boost/mpl/assert.hpp>
+#include <boost/type_traits/add_const.hpp>
+#include <boost/type_traits/remove_reference.hpp>
+#include <boost/fusion/sequence/intrinsic_fwd.hpp>
+#include <boost/fusion/container/list/cons_fwd.hpp>
+#include <boost/fusion/support/is_segmented.hpp>
+
+namespace boost { namespace fusion
+{
+    template <typename First, typename Last>
+    struct iterator_range;
+}}
+
+namespace boost { namespace fusion { namespace detail
+{
+    //auto segmented_end_impl( seq, stack )
+    //{
+    //    assert(is_segmented(seq));
+    //    auto it = end(segments(seq));
+    //    return cons(iterator_range(it, it), stack);
+    //}
+
+    template <typename Sequence, typename Stack>
+    struct segmented_end_impl
+    {
+        BOOST_MPL_ASSERT((traits::is_segmented<Sequence>));
+
+        typedef
+            typename result_of::end<
+                typename remove_reference<
+                    typename add_const<
+                        typename result_of::segments<Sequence>::type
+                    >::type
+                >::type
+            >::type
+        end_type;
+
+        typedef iterator_range<end_type, end_type>  pair_type;
+        typedef cons<pair_type, Stack>              type;
+
+        static type call(Sequence & seq, Stack stack)
+        {
+            end_type end = fusion::end(fusion::segments(seq));
+            return type(pair_type(end, end), stack);
+        }
+    };
+
+}}}
+
+#endif