// BOOST_HAS_NOTHROW_COPY(T) should evaluate to true if T(t) can not throw
// BOOST_HAS_NOTHROW_ASSIGN(T) should evaluate to true if t = u can not throw
// BOOST_HAS_VIRTUAL_DESTRUCTOR(T) should evaluate to true T has a virtual destructor
+//
+// The following can also be defined: when detected our implementation is greatly simplified.
+// Note that unlike the macros above these do not have default definitions, so we can use
+// #ifdef MACRONAME to detect when these are available.
+//
+// BOOST_IS_ABSTRACT(T) true if T is an abstract type
+// BOOST_IS_BASE_OF(T,U) true if T is a base class of U
+// BOOST_IS_CLASS(T) true if T is a class type
+// BOOST_IS_CONVERTIBLE(T,U) true if T is convertible to U
+// BOOST_IS_ENUM(T) true is T is an enum
+// BOOST_IS_POLYMORPHIC(T) true if T is a polymorphic type
+// BOOST_ALIGNMENT_OF(T) should evaluate to the alignment requirements of type T.
#ifdef BOOST_HAS_SGI_TYPE_TRAITS
// Hook into SGI's __type_traits class, this will pick up user supplied
# define BOOST_HAS_TYPE_TRAITS_INTRINSICS
#endif
-#if defined(BOOST_MSVC) && defined(_MSC_FULL_VER) && (_MSC_FULL_VER >=140050215)
+#if defined(BOOST_MSVC) && defined(BOOST_MSVC_FULL_VER) && (BOOST_MSVC_FULL_VER >=140050215)
+# include <boost/type_traits/is_same.hpp>
+
# define BOOST_IS_UNION(T) __is_union(T)
# define BOOST_IS_POD(T) (__is_pod(T) && __has_trivial_constructor(T))
# define BOOST_IS_EMPTY(T) __is_empty(T)
# define BOOST_HAS_NOTHROW_COPY(T) __has_nothrow_copy(T)
# define BOOST_HAS_NOTHROW_ASSIGN(T) __has_nothrow_assign(T)
# define BOOST_HAS_VIRTUAL_DESTRUCTOR(T) __has_virtual_destructor(T)
+
+# define BOOST_IS_ABSTRACT(T) __is_abstract(T)
+# define BOOST_IS_BASE_OF(T,U) (__is_base_of(T,U) && !is_same<T,U>::value)
+# define BOOST_IS_CLASS(T) __is_class(T)
+// This one doesn't quite always do the right thing:
+// # define BOOST_IS_CONVERTIBLE(T,U) __is_convertible_to(T,U)
+# define BOOST_IS_ENUM(T) __is_enum(T)
+// This one doesn't quite always do the right thing:
+// # define BOOST_IS_POLYMORPHIC(T) __is_polymorphic(T)
+// This one fails if the default alignment has been changed with /Zp:
+// # define BOOST_ALIGNMENT_OF(T) __alignof(T)
+
+# define BOOST_HAS_TYPE_TRAITS_INTRINSICS
+#endif
+
+#if defined(__DMC__) && (__DMC__ >= 0x848)
+// For Digital Mars C++, www.digitalmars.com
+# define BOOST_IS_UNION(T) (__typeinfo(T) & 0x400)
+# define BOOST_IS_POD(T) (__typeinfo(T) & 0x800)
+# define BOOST_IS_EMPTY(T) (__typeinfo(T) & 0x1000)
+# define BOOST_HAS_TRIVIAL_CONSTRUCTOR(T) (__typeinfo(T) & 0x10)
+# define BOOST_HAS_TRIVIAL_COPY(T) (__typeinfo(T) & 0x20)
+# define BOOST_HAS_TRIVIAL_ASSIGN(T) (__typeinfo(T) & 0x40)
+# define BOOST_HAS_TRIVIAL_DESTRUCTOR(T) (__typeinfo(T) & 0x8)
+# define BOOST_HAS_NOTHROW_CONSTRUCTOR(T) (__typeinfo(T) & 0x80)
+# define BOOST_HAS_NOTHROW_COPY(T) (__typeinfo(T) & 0x100)
+# define BOOST_HAS_NOTHROW_ASSIGN(T) (__typeinfo(T) & 0x200)
+# define BOOST_HAS_VIRTUAL_DESTRUCTOR(T) (__typeinfo(T) & 0x4)
+# define BOOST_HAS_TYPE_TRAITS_INTRINSICS
+#endif
+
+#if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3) && !defined(__GCCXML__)))
+# include <boost/type_traits/is_same.hpp>
+# include <boost/type_traits/is_reference.hpp>
+# include <boost/type_traits/is_volatile.hpp>
+
+# define BOOST_IS_UNION(T) __is_union(T)
+# define BOOST_IS_POD(T) __is_pod(T)
+# define BOOST_IS_EMPTY(T) __is_empty(T)
+# define BOOST_HAS_TRIVIAL_CONSTRUCTOR(T) __has_trivial_constructor(T)
+# define BOOST_HAS_TRIVIAL_COPY(T) (__has_trivial_copy(T) && !is_reference<T>::value)
+# define BOOST_HAS_TRIVIAL_ASSIGN(T) __has_trivial_assign(T)
+# define BOOST_HAS_TRIVIAL_DESTRUCTOR(T) __has_trivial_destructor(T)
+# define BOOST_HAS_NOTHROW_CONSTRUCTOR(T) __has_nothrow_constructor(T)
+# define BOOST_HAS_NOTHROW_COPY(T) (__has_nothrow_copy(T) && !is_volatile<T>::value && !is_reference<T>::value)
+# define BOOST_HAS_NOTHROW_ASSIGN(T) (__has_nothrow_assign(T) && !is_volatile<T>::value)
+# define BOOST_HAS_VIRTUAL_DESTRUCTOR(T) __has_virtual_destructor(T)
+
+# define BOOST_IS_ABSTRACT(T) __is_abstract(T)
+# define BOOST_IS_BASE_OF(T,U) (__is_base_of(T,U) && !is_same<T,U>::value)
+# define BOOST_IS_CLASS(T) __is_class(T)
+# define BOOST_IS_ENUM(T) __is_enum(T)
+# define BOOST_IS_POLYMORPHIC(T) __is_polymorphic(T)
+# if !defined(unix) || defined(__LP64__)
+ // GCC sometimes lies about alignment requirements
+ // of type double on 32-bit unix platforms, use the
+ // old implementation instead in that case:
+# define BOOST_ALIGNMENT_OF(T) __alignof__(T)
+# endif
+
# define BOOST_HAS_TYPE_TRAITS_INTRINSICS
#endif
+# if defined(__CODEGEARC__)
+# include <boost/type_traits/is_same.hpp>
+# include <boost/type_traits/is_reference.hpp>
+# include <boost/type_traits/is_volatile.hpp>
+# include <boost/type_traits/is_void.hpp>
+
+# define BOOST_IS_UNION(T) __is_union(T)
+# define BOOST_IS_POD(T) __is_pod(T)
+# define BOOST_IS_EMPTY(T) __is_empty(T)
+# define BOOST_HAS_TRIVIAL_CONSTRUCTOR(T) (__has_trivial_default_constructor(T) || is_void<T>::value)
+# define BOOST_HAS_TRIVIAL_COPY(T) (__has_trivial_copy_constructor(T) && !is_volatile<T>::value && !is_reference<T>::value || is_void<T>::value)
+# define BOOST_HAS_TRIVIAL_ASSIGN(T) (__has_trivial_assign(T) && !is_volatile<T>::value || is_void<T>::value)
+# define BOOST_HAS_TRIVIAL_DESTRUCTOR(T) (__has_trivial_destructor(T) || is_void<T>::value)
+# define BOOST_HAS_NOTHROW_CONSTRUCTOR(T) (__has_nothrow_default_constructor(T) || is_void<T>::value)
+# define BOOST_HAS_NOTHROW_COPY(T) (__has_nothrow_copy_constructor(T) && !is_volatile<T>::value && !is_reference<T>::value || is_void<T>::value)
+# define BOOST_HAS_NOTHROW_ASSIGN(T) (__has_nothrow_assign(T) && !is_volatile<T>::value || is_void<T>::value)
+# define BOOST_HAS_VIRTUAL_DESTRUCTOR(T) __has_virtual_destructor(T)
+
+# define BOOST_IS_ABSTRACT(T) __is_abstract(T)
+# define BOOST_IS_BASE_OF(T,U) (__is_base_of(T,U) && !is_void<T>::value && !is_void<U>::value)
+# define BOOST_IS_CLASS(T) __is_class(T)
+# define BOOST_IS_CONVERTIBLE(T,U) (__is_convertible(T,U) || is_void<U>::value)
+# define BOOST_IS_ENUM(T) __is_enum(T)
+# define BOOST_IS_POLYMORPHIC(T) __is_polymorphic(T)
+# define BOOST_ALIGNMENT_OF(T) alignof(T)
+
+# define BOOST_HAS_TYPE_TRAITS_INTRINSICS
+#endif
#ifndef BOOST_IS_UNION
# define BOOST_IS_UNION(T) false
+