整理

include/boost/mpl/aux_/static_cast.hpp

@@ -0,0 +1,27 @@
+
+#ifndef BOOST_MPL_AUX_STATIC_CAST_HPP_INCLUDED
+#define BOOST_MPL_AUX_STATIC_CAST_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2001-2004
+//
+// 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_/config/workaround.hpp>
+
+#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x561)) \
+ || BOOST_WORKAROUND(__GNUC__, < 3) \
+ || BOOST_WORKAROUND(__MWERKS__, <= 0x3001)
+#   define BOOST_MPL_AUX_STATIC_CAST(T, expr) (T)(expr)
+#else
+#   define BOOST_MPL_AUX_STATIC_CAST(T, expr) static_cast<T>(expr)
+#endif
+
+#endif // BOOST_MPL_AUX_STATIC_CAST_HPP_INCLUDED