2 // (C) Copyright John Maddock 2005.
3 // Use, modification and distribution are subject to the Boost Software License,
4 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt).
7 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
10 #ifndef BOOST_TT_RANK_HPP_INCLUDED
11 #define BOOST_TT_RANK_HPP_INCLUDED
13 #include <cstddef> // size_t
14 #include <boost/type_traits/integral_constant.hpp>
18 #if !defined( __CODEGEARC__ )
22 template <class T, std::size_t N>
25 BOOST_STATIC_CONSTANT(std::size_t, value = N);
27 #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
28 template <class T, std::size_t R, std::size_t N>
29 struct rank_imp<T[R], N>
31 BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
34 template <class T, std::size_t R, std::size_t N>
35 struct rank_imp<T const[R], N>
37 BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
40 template <class T, std::size_t R, std::size_t N>
41 struct rank_imp<T volatile[R], N>
43 BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
46 template <class T, std::size_t R, std::size_t N>
47 struct rank_imp<T const volatile[R], N>
49 BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
52 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(__IBMCPP__) && !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
53 template <class T, std::size_t N>
54 struct rank_imp<T[], N>
56 BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
58 template <class T, std::size_t N>
59 struct rank_imp<T const[], N>
61 BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
63 template <class T, std::size_t N>
64 struct rank_imp<T volatile[], N>
66 BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
68 template <class T, std::size_t N>
69 struct rank_imp<T const volatile[], N>
71 BOOST_STATIC_CONSTANT(std::size_t, value = (::boost::detail::rank_imp<T, N+1>::value));
77 #endif // !defined( __CODEGEARC__ )
79 #if defined( __CODEGEARC__ )
80 template <class T> struct rank : public integral_constant<std::size_t, __array_rank(T)>{};
82 template <class T> struct rank : public integral_constant<std::size_t, (::boost::detail::rank_imp<T, 0>::value)>{};
87 #endif // BOOST_TT_IS_MEMBER_FUNCTION_POINTER_HPP_INCLUDED