--- /dev/null
+/*=============================================================================
+ Copyright (c) 2006 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(FUSION_IS_SEGMENTED_03202006_0015)
+#define FUSION_IS_SEGMENTED_03202006_0015
+
+#include <boost/mpl/bool.hpp>
+#include <boost/fusion/support/tag_of.hpp>
+
+namespace boost { namespace fusion
+{
+ // Special tags:
+ struct sequence_facade_tag;
+ struct iterator_range_tag;
+
+ namespace extension
+ {
+ template <typename Tag>
+ struct is_segmented_impl
+ {
+ template <typename Sequence>
+ struct apply
+ : mpl::false_
+ {};
+ };
+
+ template <>
+ struct is_segmented_impl<sequence_facade_tag>
+ {
+ template <typename Sequence>
+ struct apply : Sequence::is_segmented {};
+ };
+
+ template <>
+ struct is_segmented_impl<iterator_range_tag>;
+ }
+
+ namespace traits
+ {
+ template <typename Sequence>
+ struct is_segmented
+ : mpl::bool_<
+ (bool)extension::is_segmented_impl<typename traits::tag_of<Sequence>::type>::
+ template apply<Sequence>::type::value
+ >
+ {
+ };
+ }
+}}
+
+#endif