Added boost header

test/external/boost/flyweight/no_tracking.hpp

@@ -0,0 +1,46 @@
+/* Copyright 2006-2008 Joaquin M Lopez Munoz.
+ * 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)
+ *
+ * See http://www.boost.org/libs/flyweight for library home page.
+ */
+
+#ifndef BOOST_FLYWEIGHT_NO_TRACKING_HPP
+#define BOOST_FLYWEIGHT_NO_TRACKING_HPP
+
+#if defined(_MSC_VER)&&(_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
+#include <boost/flyweight/no_tracking_fwd.hpp>
+#include <boost/flyweight/tracking_tag.hpp>
+
+/* Null tracking policy: elements are never erased from the factory.
+ */
+
+namespace boost{
+
+namespace flyweights{
+
+struct no_tracking:tracking_marker
+{
+  struct entry_type
+  {
+    template<typename Value,typename Key>
+    struct apply{typedef Value type;};
+  };
+
+  struct handle_type
+  {
+    template<typename Handle,typename TrackingHelper>
+    struct apply{typedef Handle type;};
+  };
+};
+
+} /* namespace flyweights */
+
+} /* namespace boost */
+
+#endif