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- // (C) Copyright Rani Sharoni 2003-2005.
- // 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/libs/type_traits for most recent version including documentation.
-
- #ifndef BOOST_TT_IS_BASE_OF_TR1_HPP_INCLUDED
- #define BOOST_TT_IS_BASE_OF_TR1_HPP_INCLUDED
- #include <boost/type_traits/is_base_and_derived.hpp>
- #include <boost/type_traits/is_same.hpp>
- #include <boost/type_traits/is_class.hpp>
- namespace boost { namespace tr1{
- namespace detail{
- template <class B, class D>
- struct is_base_of_imp
- {
- typedef typename remove_cv<B>::type ncvB;
- typedef typename remove_cv<D>::type ncvD;
- BOOST_STATIC_CONSTANT(bool, value = ((::boost::detail::is_base_and_derived_impl<ncvB,ncvD>::value) || (::boost::is_same<ncvB,ncvD>::value)));
- };
- }
- template <class Base, class Derived> struct is_base_of
- : public integral_constant<bool, (::boost::tr1::detail::is_base_of_imp<Base, Derived>::value)>{};
- template <class Base, class Derived> struct is_base_of<Base, Derived&> : public false_type{};
- template <class Base, class Derived> struct is_base_of<Base&, Derived&> : public false_type{};
- template <class Base, class Derived> struct is_base_of<Base&, Derived> : public false_type{};
- } } // namespace boost
- #endif // BOOST_TT_IS_BASE_OF_TR1_HPP_INCLUDED
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