// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000. | |
// 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_ADD_POINTER_HPP_INCLUDED | |
#define BOOST_TT_ADD_POINTER_HPP_INCLUDED | |
#include <boost/type_traits/remove_reference.hpp> | |
// should be the last #include | |
#include <boost/type_traits/detail/type_trait_def.hpp> | |
namespace boost { | |
namespace detail { | |
#if defined(__BORLANDC__) && (__BORLANDC__ < 0x5A0) | |
// | |
// For some reason this implementation stops Borlands compiler | |
// from dropping cv-qualifiers, it still fails with references | |
// to arrays for some reason though (shrug...) (JM 20021104) | |
// | |
template <typename T> | |
struct add_pointer_impl | |
{ | |
typedef T* type; | |
}; | |
template <typename T> | |
struct add_pointer_impl<T&> | |
{ | |
typedef T* type; | |
}; | |
template <typename T> | |
struct add_pointer_impl<T&const> | |
{ | |
typedef T* type; | |
}; | |
template <typename T> | |
struct add_pointer_impl<T&volatile> | |
{ | |
typedef T* type; | |
}; | |
template <typename T> | |
struct add_pointer_impl<T&const volatile> | |
{ | |
typedef T* type; | |
}; | |
#else | |
template <typename T> | |
struct add_pointer_impl | |
{ | |
typedef typename remove_reference<T>::type no_ref_type; | |
typedef no_ref_type* type; | |
}; | |
#endif | |
} // namespace detail | |
BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_pointer,T,typename boost::detail::add_pointer_impl<T>::type) | |
} // namespace boost | |
#include <boost/type_traits/detail/type_trait_undef.hpp> | |
#endif // BOOST_TT_ADD_POINTER_HPP_INCLUDED |