Added boost header

test/external/boost/flyweight/hashed_factory_fwd.hpp

@@ -0,0 +1,40 @@
+/* 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_HASHED_FACTORY_FWD_HPP
+#define BOOST_FLYWEIGHT_HASHED_FACTORY_FWD_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/detail/not_placeholder_expr.hpp>
+#include <boost/mpl/aux_/na.hpp>
+
+namespace boost{
+
+namespace flyweights{
+
+template<
+  typename Entry,typename Key,
+  typename Hash=mpl::na,typename Pred=mpl::na,typename Allocator=mpl::na
+>
+class hashed_factory_class;
+
+template<
+  typename Hash=mpl::na,typename Pred=mpl::na,typename Allocator=mpl::na
+  BOOST_FLYWEIGHT_NOT_A_PLACEHOLDER_EXPRESSION
+>
+struct hashed_factory;
+
+} /* namespace flyweights */
+
+} /* namespace boost */
+
+#endif