整理

include/boost/mpl/aux_/has_rebind.hpp

@@ -0,0 +1,99 @@
+
+#ifndef BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED
+#define BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2002-2004
+//
+// 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/msvc.hpp>
+#include <boost/mpl/aux_/config/intel.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+#if BOOST_WORKAROUND(__EDG_VERSION__, <= 244) && !defined(BOOST_INTEL_CXX_VERSION)
+#   include <boost/mpl/has_xxx.hpp>
+#elif BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+#   include <boost/mpl/has_xxx.hpp>
+#   include <boost/mpl/if.hpp>
+#   include <boost/mpl/bool.hpp>
+#   include <boost/mpl/aux_/msvc_is_class.hpp>
+#elif BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x610))
+#   include <boost/mpl/if.hpp>
+#   include <boost/mpl/bool.hpp>
+#   include <boost/mpl/aux_/yes_no.hpp>
+#   include <boost/mpl/aux_/config/static_constant.hpp>
+#   include <boost/type_traits/is_class.hpp>
+#else
+#   include <boost/mpl/aux_/type_wrapper.hpp>
+#   include <boost/mpl/aux_/yes_no.hpp>
+#   include <boost/mpl/aux_/config/static_constant.hpp>
+#endif
+
+namespace boost { namespace mpl { namespace aux {
+
+#if BOOST_WORKAROUND(__EDG_VERSION__, <= 244) && !defined(BOOST_INTEL_CXX_VERSION)
+
+BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_rebind, rebind, false)
+
+#elif BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+
+BOOST_MPL_HAS_XXX_TRAIT_NAMED_DEF(has_rebind_impl, rebind, false)
+
+template< typename T >
+struct has_rebind
+    : if_< 
+          msvc_is_class<T>
+        , has_rebind_impl<T>
+        , bool_<false>
+        >::type
+{
+};
+
+#else // the rest
+
+template< typename T > struct has_rebind_tag {};
+no_tag operator|(has_rebind_tag<int>, void const volatile*);
+
+#   if !BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x610))
+template< typename T >
+struct has_rebind
+{
+    static has_rebind_tag<T>* get();
+    BOOST_STATIC_CONSTANT(bool, value = 
+          sizeof(has_rebind_tag<int>() | get()) == sizeof(yes_tag)
+        );
+};
+#   else // BOOST_BORLANDC
+template< typename T >
+struct has_rebind_impl
+{
+    static T* get();
+    BOOST_STATIC_CONSTANT(bool, value = 
+          sizeof(has_rebind_tag<int>() | get()) == sizeof(yes_tag)
+        );
+};
+
+template< typename T >
+struct has_rebind
+    : if_< 
+          is_class<T>
+        , has_rebind_impl<T>
+        , bool_<false>
+        >::type
+{
+};
+#   endif // BOOST_BORLANDC
+
+#endif
+
+}}}
+
+#endif // BOOST_MPL_AUX_HAS_REBIND_HPP_INCLUDED