add subtree-ish sources for 12.0.3

[ceph.git] / ceph / src / boost / libs / multi_index / include / boost / multi_index / detail / is_index_list.hpp

diff --git a/ceph/src/boost/libs/multi_index/include/boost/multi_index/detail/is_index_list.hpp b/ceph/src/boost/libs/multi_index/include/boost/multi_index/detail/is_index_list.hpp
new file mode 100644 (file)
index 0000000..f6a2421
--- /dev/null
+++ b/ceph/src/boost/libs/multi_index/include/boost/multi_index/detail/is_index_list.hpp
@@ -0,0 +1,40 @@
+/* Copyright 2003-2013 Joaquin M Lopez Munoz.
+ * 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)
+ *
+ * See http://www.boost.org/libs/multi_index for library home page.
+ */
+
+#ifndef BOOST_MULTI_INDEX_DETAIL_IS_INDEX_LIST_HPP
+#define BOOST_MULTI_INDEX_DETAIL_IS_INDEX_LIST_HPP
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
+#include <boost/mpl/empty.hpp>
+#include <boost/mpl/is_sequence.hpp>
+
+namespace boost{
+
+namespace multi_index{
+
+namespace detail{
+
+template<typename T>
+struct is_index_list
+{
+  BOOST_STATIC_CONSTANT(bool,mpl_sequence=mpl::is_sequence<T>::value);
+  BOOST_STATIC_CONSTANT(bool,non_empty=!mpl::empty<T>::value);
+  BOOST_STATIC_CONSTANT(bool,value=mpl_sequence&&non_empty);
+};
+
+} /* namespace multi_index::detail */
+
+} /* namespace multi_index */
+
+} /* namespace boost */
+
+#endif