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-rw-r--r--3rdParty/Boost/src/boost/fusion/sequence/intrinsic/empty.hpp61
1 files changed, 61 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/empty.hpp b/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/empty.hpp
new file mode 100644
index 0000000..a9928ab
--- /dev/null
+++ b/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/empty.hpp
@@ -0,0 +1,61 @@
+/*=============================================================================
+ Copyright (c) 2001-2011 Joel de Guzman
+
+ 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_EMPTY_09162005_0335)
+#define FUSION_EMPTY_09162005_0335
+
+#include <boost/fusion/sequence/intrinsic_fwd.hpp>
+#include <boost/fusion/sequence/intrinsic/size.hpp>
+#include <boost/mpl/bool.hpp>
+#include <boost/fusion/support/tag_of.hpp>
+
+namespace boost { namespace fusion
+{
+ // Special tags:
+ struct sequence_facade_tag;
+ struct mpl_sequence_tag; // mpl sequence tag
+
+ namespace extension
+ {
+ template <typename Tag>
+ struct empty_impl
+ {
+ template <typename Sequence>
+ struct apply
+ : mpl::bool_<(result_of::size<Sequence>::value == 0)>
+ {};
+ };
+
+ template <>
+ struct empty_impl<sequence_facade_tag>
+ {
+ template <typename Sequence>
+ struct apply : Sequence::template empty<Sequence> {};
+ };
+
+ template <>
+ struct empty_impl<mpl_sequence_tag>;
+ }
+
+ namespace result_of
+ {
+ template <typename Sequence>
+ struct empty
+ : extension::empty_impl<typename detail::tag_of<Sequence>::type>::
+ template apply<Sequence>
+ {};
+ }
+
+ template <typename Sequence>
+ inline typename result_of::empty<Sequence>::type
+ empty(Sequence const&)
+ {
+ typedef typename result_of::empty<Sequence>::type result;
+ return result();
+ }
+}}
+
+#endif