introduces functional / factory & forward

[SVN r49957]

factory/test/value_factory.cpp

@@ -0,0 +1,29 @@
+/*=============================================================================
+    Copyright (c) 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).
+==============================================================================*/
+
+#include <boost/functional/value_factory.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+class sum 
+{
+    int val_sum;
+  public:
+    sum(int a, int b) : val_sum(a + b) { }
+    operator int() const { return this->val_sum; }
+};
+
+int main()
+{
+    int one = 1, two = 2;
+    {
+      sum instance( boost::value_factory< sum >()(one,two) );
+      BOOST_TEST(instance == 3);
+    }
+    return boost::report_errors();
+}
+