ceph/src/boost/libs/type_traits/include/boost/type_traits/is_array.hpp

   1
   2 //  (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
   3 //  Hinnant & John Maddock 2000.
   4 //  Use, modification and distribution are subject to the Boost Software License,
   5 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   6 //  http://www.boost.org/LICENSE_1_0.txt).
   7 //
   8 //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
   9
  10
  11 // Some fixes for is_array are based on a newsgroup posting by Jonathan Lundquist.
  12
  13
  14 #ifndef BOOST_TT_IS_ARRAY_HPP_INCLUDED
  15 #define BOOST_TT_IS_ARRAY_HPP_INCLUDED
  16
  17 #include <boost/type_traits/integral_constant.hpp>
  18 #include <cstddef> // size_t
  19
  20 namespace boost {
  21
  22 #if defined( __CODEGEARC__ )
  23    template <class T> struct is_array : public integral_constant<bool, __is_array(T)> {};
  24 #else
  25    template <class T> struct is_array : public false_type {};
  26 #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
  27    template <class T, std::size_t N> struct is_array<T[N]> : public true_type {};
  28    template <class T, std::size_t N> struct is_array<T const[N]> : public true_type{};
  29    template <class T, std::size_t N> struct is_array<T volatile[N]> : public true_type{};
  30    template <class T, std::size_t N> struct is_array<T const volatile[N]> : public true_type{};
  31 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(__IBMCPP__) &&  !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
  32    template <class T> struct is_array<T[]> : public true_type{};
  33    template <class T> struct is_array<T const[]> : public true_type{};
  34    template <class T> struct is_array<T const volatile[]> : public true_type{};
  35    template <class T> struct is_array<T volatile[]> : public true_type{};
  36 #endif
  37 #endif
  38
  39 #endif
  40
  41 } // namespace boost
  42
  43 #endif // BOOST_TT_IS_ARRAY_HPP_INCLUDED