// (C) Copyright John Maddock 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_RANK_HPP_INCLUDED #define BOOST_TT_RANK_HPP_INCLUDED #include <cstddef> // size_t #include <boost/type_traits/integral_constant.hpp> namespace boost { #if !defined( __CODEGEARC__ ) namespace detail{ template <class T, std::size_t N> struct rank_imp { BOOST_STATIC_CONSTANT(std::size_t, value = N); }; #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS) template <class T, std::size_t R, std::size_t N> struct rank_imp<T[R], N> { BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value)); }; template <class T, std::size_t R, std::size_t N> struct rank_imp<T const[R], N> { BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value)); }; template <class T, std::size_t R, std::size_t N> struct rank_imp<T volatile[R], N> { BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value)); }; template <class T, std::size_t R, std::size_t N> struct rank_imp<T const volatile[R], N> { BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value)); }; #if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(__IBMCPP__) && !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840)) template <class T, std::size_t N> struct rank_imp<T[], N> { BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value)); }; template <class T, std::size_t N> struct rank_imp<T const[], N> { BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value)); }; template <class T, std::size_t N> struct rank_imp<T volatile[], N> { BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value)); }; template <class T, std::size_t N> struct rank_imp<T const volatile[], N> { BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value)); }; #endif #endif } #endif // !defined( __CODEGEARC__ ) #if defined( __CODEGEARC__ ) template <class T> struct rank : public integral_constant<std::size_t, __array_rank(T)>{}; #else template <class T> struct rank : public integral_constant<std::size_t, (::boost::detail::rank_imp<T, 0>::value)>{}; #endif } // namespace boost #endif // BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED