--- /dev/null	2006-02-24 11:01:30.000000000 -0500
+++ boost/mpl/has_template_xxx.hpp	2007-03-16 16:27:46.000000000 -0400
@@ -0,0 +1,81 @@
+
+#ifndef BOOST_MPL_HAS_TEMPLATE_XXX_HPP_INCLUDED
+#define BOOST_MPL_HAS_TEMPLATE_XXX_HPP_INCLUDED
+
+// Copyright Daniel Walker 2007
+//
+// 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)
+
+#include <boost/mpl/bool.hpp>
+
+#include <boost/mpl/aux_/config/has_template_xxx.hpp>
+#include <boost/mpl/aux_/config/msvc_typename.hpp>
+#include <boost/mpl/aux_/config/static_constant.hpp>
+#include <boost/mpl/aux_/type_wrapper.hpp>
+#include <boost/mpl/aux_/yes_no.hpp>
+
+#include <boost/preprocessor/cat.hpp>
+#include <boost/preprocessor/punctuation/comma_if.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+
+#if !defined(BOOST_MPL_CFG_NO_HAS_TEMPLATE_XXX)
+
+// Create boolean unary Metafunction to detect a nested template
+// members with n template parameters. This implementation is based on
+// the implementation of BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF from David
+// Abrahams and Aleksey Gurtovoy.
+#   define BOOST_MPL_HAS_TEMPLATE_XXX_TRAIT_NAMED_DEF(trait, name, n, default_) \
+template<typename T \
+         BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename U) \
+       , typename fallback_ = boost::mpl::bool_<default_> > \
+struct trait { \
+    struct gcc_3_2_wknd \
+    { \
+        template< typename U > \
+        static boost::mpl::aux::yes_tag test( \
+              boost::mpl::aux::type_wrapper<U> const volatile* \
+            , boost::mpl::aux::type_wrapper< \
+                  BOOST_MSVC_TYPENAME U::template name< \
+                      BOOST_PP_ENUM_PARAMS(n, U) \
+                  > \
+              >* = 0 \
+            ); \
+        \
+        static boost::mpl::aux::no_tag test(...); \
+    }; \
+    \
+    typedef boost::mpl::aux::type_wrapper<T> t_; \
+    BOOST_STATIC_CONSTANT(bool, value = \
+          sizeof(gcc_3_2_wknd::test(static_cast<t_*>(0))) \
+            == sizeof(boost::mpl::aux::yes_tag) \
+        ); \
+    typedef boost::mpl::bool_<value> type; \
+}; \
+/**/
+
+#else // BOOST_MPL_CFG_NO_HAS_TEMPLATE_XXX
+
+// placeholder implementation
+
+#   define BOOST_MPL_HAS_TEMPLATE_XXX_TRAIT_NAMED_DEF(trait, name, n, default_) \
+template< typename T \
+          BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename U) \
+        , typename fallback_ = boost::mpl::bool_<default_> > \
+struct trait \
+{ \
+    BOOST_STATIC_CONSTANT(bool, value = fallback_::value); \
+    typedef fallback_ type; \
+}; \
+/**/
+
+#endif // BOOST_MPL_CFG_NO_HAS_TEMPLATE_XXX
+
+#   define BOOST_MPL_HAS_TEMPLATE_XXX_TRAIT_DEF(name, n) \
+    BOOST_MPL_HAS_TEMPLATE_XXX_TRAIT_NAMED_DEF( \
+        BOOST_PP_CAT(has_template_, name), name, n, false \
+    ) \
+/**/
+
+#endif // BOOST_MPL_HAS_TEMPLATE_XXX_HPP_INCLUDED
--- /dev/null	2006-02-24 11:01:30.000000000 -0500
+++ boost/mpl/aux_/config/has_template_xxx.hpp	2007-03-16 15:58:30.000000000 -0400
@@ -0,0 +1,26 @@
+
+#ifndef BOOST_MPL_AUX_CONFIG_HAS_TEMPLATE_XXX_HPP_INCLUDED
+#define BOOST_MPL_AUX_CONFIG_HAS_TEMPLATE_XXX_HPP_INCLUDED
+
+// Copyright Daniel Walker 2007
+//
+// 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)
+
+#include <boost/mpl/aux_/config/overload_resolution.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+#if !defined(BOOST_MPL_CFG_NO_HAS_TEMPLATE_XXX) \
+    && (   defined(BOOST_MPL_CFG_BROKEN_OVERLOAD_RESOLUTION) \
+        || BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
+        || BOOST_WORKAROUND(__IBMCPP__, <= 700) \
+        || BOOST_WORKAROUND(__GNUC__, <= 2) \
+        || BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840)) \
+        )
+
+#   define BOOST_MPL_CFG_NO_HAS_TEMPLATE_XXX
+
+#endif // BOOST_MPL_CFG_NO_HAS_TEMPLATE_XXX
+
+#endif // BOOST_MPL_AUX_CONFIG_HAS_TEMPLATE_XXX_HPP_INCLUDED