1 files changed, 34 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/proto/functional/range/empty.hpp b/3rdParty/Boost/src/boost/proto/functional/range/empty.hpp
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+++ b/3rdParty/Boost/src/boost/proto/functional/range/empty.hpp
@@ -0,0 +1,34 @@
+///////////////////////////////////////////////////////////////////////////////
+/// \file empty.hpp
+/// Proto callables for boost::empty()
+//
+//  Copyright 2012 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)
+
+#ifndef BOOST_PROTO_FUNCTIONAL_RANGE_EMPTY_HPP_EAN_27_08_2012
+#define BOOST_PROTO_FUNCTIONAL_RANGE_EMPTY_HPP_EAN_27_08_2012
+
+#include <boost/range/empty.hpp>
+#include <boost/proto/proto_fwd.hpp>
+
+namespace boost { namespace proto { namespace functional
+{
+
+    // A PolymorphicFunctionObject that wraps boost::empty()
+    struct empty
+    {
+        BOOST_PROTO_CALLABLE()
+
+        typedef bool result_type;
+
+        template<typename Rng>
+        bool operator()(Rng const &rng) const
+        {
+            return boost::empty(rng);
+        }
+    };
+
+}}}
+
+#endif