--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ossrv_pub/boost_apis/boost/parameter/value_type.hpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,108 @@
+// Copyright Daniel Wallin 2006. Use, modification and distribution is
+// 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)
+
+#ifndef BOOST_PARAMETER_VALUE_TYPE_060921_HPP
+# define BOOST_PARAMETER_VALUE_TYPE_060921_HPP
+
+# include <boost/mpl/apply.hpp>
+# include <boost/mpl/assert.hpp>
+# include <boost/mpl/and.hpp>
+# include <boost/parameter/aux_/result_of0.hpp>
+# include <boost/parameter/aux_/void.hpp>
+# include <boost/type_traits/is_same.hpp>
+
+# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+#  include <boost/mpl/eval_if.hpp>
+# endif
+
+namespace boost { namespace parameter { 
+
+// A metafunction that, given an argument pack, returns the type of
+// the parameter identified by the given keyword.  If no such
+// parameter has been specified, returns Default
+
+# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
+  || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+template <class Parameters, class Keyword, class Default>
+struct value_type0
+{
+    typedef typename mpl::apply_wrap3<
+        typename Parameters::binding,Keyword,Default,mpl::false_
+    >::type type;
+
+    BOOST_MPL_ASSERT_NOT((
+        mpl::and_<
+            is_same<Default, void_>
+          , is_same<type, void_>
+        >
+    ));
+};
+# endif
+
+template <class Parameters, class Keyword, class Default = void_>
+# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+struct value_type
+# else
+struct value_type_eti
+# endif
+{
+# if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
+  || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
+    typedef typename mpl::eval_if<
+        mpl::is_placeholder<Parameters>
+      , mpl::identity<int>
+      , value_type0<Parameters,Keyword,Default>
+    >::type type;
+# else
+    typedef typename mpl::apply_wrap3<
+        typename Parameters::binding,Keyword,Default,mpl::false_
+    >::type type;
+
+    BOOST_MPL_ASSERT_NOT((
+        mpl::and_<
+            is_same<Default, void_>
+          , is_same<type, void_>
+        >
+    ));
+# endif
+
+# if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(3,value_type,(Parameters,Keyword,Default))
+# endif
+};
+
+# if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+template <class Parameters, class Keyword, class Default = void_>
+struct value_type
+{
+    typedef typename mpl::eval_if<
+        is_same<Parameters, int>
+      , mpl::identity<int>
+      , value_type_eti<Parameters, Keyword, Default>
+    >::type type;
+
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(3,value_type,(Parameters,Keyword,Default))
+};
+# endif
+
+// A metafunction that, given an argument pack, returns the type of
+// the parameter identified by the given keyword.  If no such
+// parameter has been specified, returns the type returned by invoking
+// DefaultFn
+template <class Parameters, class Keyword, class DefaultFn>
+struct lazy_value_type
+{
+  typedef typename mpl::apply_wrap3<
+      typename Parameters::binding
+    , Keyword
+    , typename aux::result_of0<DefaultFn>::type
+    , mpl::false_
+  >::type type;
+};
+
+
+}} // namespace boost::parameter
+
+#endif // BOOST_PARAMETER_VALUE_TYPE_060921_HPP
+