1 files changed, 59 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp b/3rdParty/Boost/src/boost/fusion/algorithm/iteration/detail/segmented_fold.hpp
new file mode 100644
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+++ b/3rdParty/Boost/src/boost/fusion/algorithm/iteration/detail/segmented_fold.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_FOLD_S_HPP_INCLUDED)
+#define BOOST_FUSION_FOLD_S_HPP_INCLUDED
+
+#include <boost/fusion/algorithm/iteration/fold_fwd.hpp>
+#include <boost/fusion/support/segmented_fold_until.hpp>
+
+namespace boost { namespace fusion { namespace detail
+{
+    template <typename Fun>
+    struct segmented_fold_fun
+    {
+        explicit segmented_fold_fun(Fun const& f)
+          : fun(f)
+        {}
+
+        Fun const& fun;
+
+        template <typename Sequence, typename State, typename Context>
+        struct apply
+        {
+            typedef typename result_of::fold<Sequence, State, Fun>::type type;
+            typedef mpl::true_ continue_type;
+
+            static type call(Sequence& seq, State const& state, Context const&, segmented_fold_fun const& fun)
+            {
+                return fusion::fold(seq, state, fun.fun);
+            }
+        };
+    };
+
+    // The default implementation of this lives in detail/fold.hpp
+    template <typename Sequence, typename State, typename Fun, bool IsSegmented>
+    struct result_of_fold;
+
+    template <typename Sequence, typename State, typename Fun>
+    struct result_of_fold<Sequence, State, Fun, true>
+    {
+        typedef
+            typename result_of::segmented_fold_until<
+                Sequence,
+                State,
+                segmented_fold_fun<Fun>
+            >::type
+        type;
+
+        static type call(State& state, Sequence& seq, Fun fun)
+        {
+            return fusion::segmented_fold_until(seq, state, segmented_fold_fun<Fun>(fun));
+        }
+    };
+}}}
+
+#endif