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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_HPP_INCLUDED
#define BOOST_TT_IS_BASE_OF_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 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 && ::boost::is_class<ncvB>::value)));
};
}
template <class Base, class Derived> struct is_base_of
: public integral_constant<bool, (::boost::detail::is_base_of_imp<Base, Derived>::value)> {};
template <class Base, class Derived> struct is_base_of<Base, Derived&> : false_type{};
template <class Base, class Derived> struct is_base_of<Base&, Derived&> : false_type{};
template <class Base, class Derived> struct is_base_of<Base&, Derived> : false_type{};
} // namespace boost
#endif // BOOST_TT_IS_BASE_AND_DERIVED_HPP_INCLUDED
Version data entries
54 entries across 54 versions & 2 rubygems