X-Git-Url: https://git.donarmstrong.com/?p=rsem.git;a=blobdiff_plain;f=boost%2Ffusion%2Fcontainer%2Flist%2Fdetail%2Fempty_impl.hpp;fp=boost%2Ffusion%2Fcontainer%2Flist%2Fdetail%2Fempty_impl.hpp;h=2392dd7f2dc31df5415b30c0b1004e39877498d0;hp=0000000000000000000000000000000000000000;hb=2d71eb92104693ca9baa5a2e1c23eeca776d8fd3;hpb=da57529b92adbb7ae74a89861cb39fb35ac7c62d

diff --git a/boost/fusion/container/list/detail/empty_impl.hpp b/boost/fusion/container/list/detail/empty_impl.hpp
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+++ b/boost/fusion/container/list/detail/empty_impl.hpp
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+/*=============================================================================
+    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_SEQUENCE_EMPTY_IMPL_HPP_INCLUDED)
+#define BOOST_FUSION_SEQUENCE_EMPTY_IMPL_HPP_INCLUDED
+
+#include <boost/type_traits/is_convertible.hpp>
+
+namespace boost { namespace fusion
+{
+    struct cons_tag;
+
+    struct nil_;
+
+    template <typename Car, typename Cdr>
+    struct cons;
+
+    namespace extension
+    {
+        template <typename Tag>
+        struct empty_impl;
+
+        template <>
+        struct empty_impl<cons_tag>
+        {
+            template <typename Sequence>
+            struct apply
+                : boost::is_convertible<Sequence, nil_>
+            {};
+        };
+    }
+}}
+
+#endif