Added boost header

test/external/boost/flyweight/static_holder.hpp

@@ -0,0 +1,56 @@
+/* Copyright 2006-2009 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_STATIC_HOLDER_HPP
+#define BOOST_FLYWEIGHT_STATIC_HOLDER_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/static_holder_fwd.hpp>
+#include <boost/flyweight/holder_tag.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+
+/* Simplest holder storing the T object as a local static variable.
+ */
+
+namespace boost{
+
+namespace flyweights{
+
+template<typename C>
+struct static_holder_class:holder_marker
+{
+  static C& get()
+  {
+    static C c;
+    return c;
+  }
+
+  typedef static_holder_class type;
+  BOOST_MPL_AUX_LAMBDA_SUPPORT(1,static_holder_class,(C))
+};
+
+/* static_holder_class specifier */
+
+struct static_holder:holder_marker
+{
+  template<typename C>
+  struct apply
+  {
+    typedef static_holder_class<C> type;
+  };
+};
+
+} /* namespace flyweights */
+
+} /* namespace boost */
+
+#endif