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-rw-r--r--boost/type_traits/is_volatile.hpp59
1 files changed, 10 insertions, 49 deletions
diff --git a/boost/type_traits/is_volatile.hpp b/boost/type_traits/is_volatile.hpp
index d9839dad3b..cefe987308 100644
--- a/boost/type_traits/is_volatile.hpp
+++ b/boost/type_traits/is_volatile.hpp
@@ -21,64 +21,25 @@
#ifndef BOOST_TT_IS_VOLATILE_HPP_INCLUDED
#define BOOST_TT_IS_VOLATILE_HPP_INCLUDED
-#include <boost/config.hpp>
-#include <boost/detail/workaround.hpp>
-
-# include <boost/type_traits/detail/cv_traits_impl.hpp>
-# if BOOST_WORKAROUND(BOOST_MSVC, < 1400)
-# include <boost/type_traits/remove_bounds.hpp>
-# endif
-
-// should be the last #include
-#include <boost/type_traits/detail/bool_trait_def.hpp>
+#include <boost/type_traits/integral_constant.hpp>
namespace boost {
-namespace detail{
-template <class T>
-struct is_volatile_rval_filter
-{
-#if BOOST_WORKAROUND(BOOST_MSVC, < 1400)
- BOOST_STATIC_CONSTANT(bool, value = ::boost::detail::cv_traits_imp<typename boost::remove_bounds<T>::type*>::is_volatile);
-#else
- BOOST_STATIC_CONSTANT(bool, value = ::boost::detail::cv_traits_imp<BOOST_TT_AUX_CV_TRAITS_IMPL_PARAM(T)>::is_volatile);
-#endif
-};
-#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
-//
-// We can't filter out rvalue_references at the same level as
-// references or we get ambiguities from msvc:
-//
-template <class T>
-struct is_volatile_rval_filter<T&&>
-{
- BOOST_STATIC_CONSTANT(bool, value = false);
-};
-#endif
-}
-
#if defined( __CODEGEARC__ )
-BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_volatile,T,__is_volatile(T))
-#else
-//* is a type T declared volatile - is_volatile<T>
-BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_volatile,T,::boost::detail::is_volatile_rval_filter<T>::value)
-BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_volatile,T&,false)
+ template <class T>
+ struct is_volatile : public integral_constant<bool, __is_volatile(T)> {};
-#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
-// references as distinct types...
-BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_volatile,T& const,false)
-BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_volatile,T& volatile,false)
-BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_volatile,T& const volatile,false)
-#endif
+#else
+
+ template <class T>
+ struct is_volatile : public false_type {};
+ template <class T> struct is_volatile<T volatile> : public true_type{};
+ template <class T, size_t N> struct is_volatile<T volatile[N]> : public true_type{};
+ template <class T> struct is_volatile<T volatile[]> : public true_type{};
#endif
} // namespace boost
-#include <boost/type_traits/detail/bool_trait_undef.hpp>
-
#endif // BOOST_TT_IS_VOLATILE_HPP_INCLUDED