-// (C) Copyright David Abrahams Steve Cleary, Beman Dawes, Howard
-// Hinnant & John Maddock 2000-2002. Permission to copy, use,
-// modify, sell and distribute this software is granted provided this
-// copyright notice appears in all copies. This software is provided
-// "as is" without express or implied warranty, and with no claim as
-// to its suitability for any purpose.
+// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes,
+// Howard Hinnant and John Maddock 2000.
+// (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
+
+// Use, modification and distribution are subject to 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 for most recent version including documentation.
+// See http://www.boost.org/libs/type_traits for most recent version including documentation.
+
+// Fixed is_pointer, is_reference, is_const, is_volatile, is_same,
+// is_member_pointer based on the Simulated Partial Specialization work
+// of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or
+// http://groups.yahoo.com/group/boost/message/5441
+// Some workarounds in here use ideas suggested from "Generic<Programming>:
+// Mappings between Types and Values"
+// by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html).
+
#ifndef BOOST_TT_IS_REFERENCE_HPP_INCLUDED
#define BOOST_TT_IS_REFERENCE_HPP_INCLUDED
-#include "boost/type_traits/config.hpp"
+#include <boost/type_traits/config.hpp>
#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
-# include "boost/type_traits/detail/yes_no_type.hpp"
-# include "boost/type_traits/detail/wrap.hpp"
-#endif
-
-#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && defined(BOOST_MSVC)
-# include "boost/type_traits/detail/is_function_type_tester.hpp"
-# include "boost/type_traits/detail/false_result.hpp"
+# include <boost/type_traits/detail/yes_no_type.hpp>
+# include <boost/type_traits/detail/wrap.hpp>
#endif
// should be the last #include
-#include "boost/type_traits/detail/bool_trait_def.hpp"
+#include <boost/type_traits/detail/bool_trait_def.hpp>
-namespace boost {
+namespace boost {
-#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+#if defined( __CODEGEARC__ )
+BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,__is_reference(T))
+#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,false)
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T&,true)
-#if defined(__BORLANDC__)
+#if defined(BOOST_ILLEGAL_CV_REFERENCES)
// these are illegal specialisations; cv-qualifies applied to
// references have no effect according to [8.3.2p1],
// C++ Builder requires them though as it treats cv-qualified
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T& const volatile,true)
#endif
+#if defined(__GNUC__) && (__GNUC__ < 3)
+// these allow us to work around illegally cv-qualified reference
+// types.
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T const ,::boost::is_reference<T>::value)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T volatile ,::boost::is_reference<T>::value)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_reference,T const volatile ,::boost::is_reference<T>::value)
+// However, the above specializations confuse gcc 2.96 unless we also
+// supply these specializations for array types
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,T[N],false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,const T[N],false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,volatile T[N],false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,unsigned long N,is_reference,const volatile T[N],false)
+#endif
+
#else
#ifdef BOOST_MSVC
# pragma warning(push)
-# pragma warning(disable: 4181)
+# pragma warning(disable: 4181 4097)
#endif
namespace detail {
);
};
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void,false)
+#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void const,false)
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void volatile,false)
+BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_reference,void const volatile,false)
+#endif
+
} // namespace detail
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_reference,T,::boost::detail::is_reference_impl<T>::value)
-BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_reference,void,false)
-#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
-BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_reference,void const,false)
-BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_reference,void volatile,false)
-BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_reference,void const volatile,false)
-#endif
#ifdef BOOST_MSVC
# pragma warning(pop)
} // namespace boost
-#include "boost/type_traits/detail/bool_trait_undef.hpp"
+#include <boost/type_traits/detail/bool_trait_undef.hpp>
#endif // BOOST_TT_IS_REFERENCE_HPP_INCLUDED
+