adds functional module

[SVN r36955]

include/boost/fusion/functional/adapter/fused.hpp

@@ -0,0 +1,78 @@
+/*=============================================================================
+    Copyright (c) 2006-2007 Tobias Schwinger
+  
+    Use modification and distribution are subject to 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_FUNCTIONAL_ADAPTER_FUSED_HPP_INCLUDED)
+#define BOOST_FUSION_FUNCTIONAL_ADAPTER_FUSED_HPP_INCLUDED
+
+#include <boost/type_traits/add_reference.hpp>
+
+#include <boost/fusion/support/detail/access.hpp>
+#include <boost/fusion/functional/invocation/invoke.hpp>
+
+namespace boost { namespace fusion
+{
+    template <typename Function> class fused;
+
+    //----- ---- --- -- - -  -   -
+
+    template <typename Function>
+    class fused
+    {
+        Function fnc_transformed;
+
+        typedef typename boost::add_reference<Function>::type func_fwd_t;
+        typedef typename detail::call_param<Function>::type func_const_fwd_t;
+
+    public:
+
+        inline explicit fused(func_const_fwd_t f = Function())
+            : fnc_transformed(f)
+        { }
+
+        template <class Seq> 
+        inline typename result_of::invoke<Function,Seq const>::type 
+        operator()(Seq const & s) const
+        {
+          return fusion::invoke<func_const_fwd_t>(this->fnc_transformed,s);
+        }
+
+        template <class Seq> 
+        inline typename result_of::invoke<Function,Seq const>::type 
+        operator()(Seq const & s) 
+        {
+          return fusion::invoke<func_fwd_t>(this->fnc_transformed,s);
+        }
+
+        template <class Seq> 
+        inline typename result_of::invoke<Function,Seq>::type 
+        operator()(Seq & s) const
+        {
+          return fusion::invoke<func_const_fwd_t>(this->fnc_transformed,s);
+        }
+
+        template <class Seq> 
+        inline typename result_of::invoke<Function,Seq>::type 
+        operator()(Seq & s) 
+        {
+          return fusion::invoke<func_fwd_t>(this->fnc_transformed,s);
+        }
+
+        template <class Seq>
+        struct result
+            : result_of::invoke<Function,Seq>
+        { };
+    };
+
+}}
+
+#define BOOST_FUSION_CLASS_TPL_PARAMS typename F
+#define  BOOST_FUSION_CLASS_TPL_SPEC fusion::fused<F>
+#include <boost/fusion/functional/adapter/detail/gen_result_of_spec.hpp>
+
+#endif
+