整理

include/boost/mpl/aux_/ptr_to_ref.hpp

@@ -0,0 +1,46 @@
+
+#ifndef BOOST_MPL_AUX_PTR_TO_REF_HPP_INCLUDED
+#define BOOST_MPL_AUX_PTR_TO_REF_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2003-2004
+//
+// 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/mpl for documentation.
+
+// $Id$
+// $Date$
+// $Revision$
+
+#include <boost/mpl/aux_/static_cast.hpp>
+#include <boost/mpl/aux_/config/msvc.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+
+#if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
+    ||  ( BOOST_WORKAROUND(__EDG_VERSION__, <= 245) \
+        && !(defined(__STD_STRICT_ANSI) \
+            || defined(__STD_STRICT_ANSI_ERRORS)) )
+
+#   define BOOST_MPL_AUX_PTR_TO_REF(X) \
+    *BOOST_MPL_AUX_STATIC_CAST(X*, 0) \
+/**/
+
+#else
+
+#   define BOOST_MPL_AUX_PTR_TO_REF(X) \
+    aux::ptr_to_ref(BOOST_MPL_AUX_STATIC_CAST(X*, 0)) \
+/**/
+
+#endif
+
+
+namespace boost { namespace mpl { namespace aux {
+
+template< typename T > T const& ptr_to_ref(T*);
+
+}}}
+
+#endif // BOOST_MPL_AUX_PTR_TO_REF_HPP_INCLUDED