Added boost header

test/external/boost/phoenix/function/function.hpp

@@ -0,0 +1,57 @@
+/*==============================================================================
+    Copyright (c) 2001-2010 Joel de Guzman
+    Copyright (c) 2010 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_PHOENIX_FUNCTION_FUNCTION_HPP
+#define BOOST_PHOENIX_FUNCTION_FUNCTION_HPP
+
+//#include <boost/phoenix/function/function_handling.hpp>
+#include <boost/phoenix/core/detail/function_eval.hpp>
+#include <boost/preprocessor/facilities/expand.hpp>
+#include <boost/preprocessor/logical/or.hpp>
+#include <boost/utility/result_of.hpp>
+
+namespace boost { namespace phoenix
+{
+    /////////////////////////////////////////////////////////////////////////////
+    // Functions
+    /////////////////////////////////////////////////////////////////////////////
+
+    // functor which returns our lazy function call extension
+    template<typename F>
+    struct function
+    {
+        function() {}
+
+        function(F f)
+          : f(f)
+        {}
+
+        template <typename Sig>
+        struct result;
+
+        typename detail::expression::function_eval<F>::type const
+        operator()() const
+        {
+            return detail::expression::function_eval<F>::make(f);
+        }
+
+        // Bring in the rest
+        #include <boost/phoenix/function/detail/function_operator.hpp>
+
+        F f;
+    };
+}
+
+    template<typename F>
+    struct result_of<phoenix::function<F>()>
+      : phoenix::detail::expression::function_eval<F>
+    {};
+
+}
+
+#endif
+