44 lines
1.8 KiB
Plaintext
44 lines
1.8 KiB
Plaintext
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// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, Howard
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// Hinnant & John Maddock 2000.
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt).
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//
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// See http://www.boost.org/libs/type_traits for most recent version including documentation.
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// Some fixes for is_array are based on a newsgroup posting by Jonathan Lundquist.
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#ifndef BOOST_TT_IS_ARRAY_HPP_INCLUDED
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#define BOOST_TT_IS_ARRAY_HPP_INCLUDED
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#include <boost/type_traits/integral_constant.hpp>
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#include <cstddef> // size_t
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namespace boost {
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#if defined( __CODEGEARC__ )
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template <class T> struct is_array : public integral_constant<bool, __is_array(T)> {};
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#else
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template <class T> struct is_array : public false_type {};
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#if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
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template <class T, std::size_t N> struct is_array<T[N]> : public true_type {};
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template <class T, std::size_t N> struct is_array<T const[N]> : public true_type{};
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template <class T, std::size_t N> struct is_array<T volatile[N]> : public true_type{};
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template <class T, std::size_t N> struct is_array<T const volatile[N]> : public true_type{};
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#if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(__IBMCPP__) && !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
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template <class T> struct is_array<T[]> : public true_type{};
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template <class T> struct is_array<T const[]> : public true_type{};
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template <class T> struct is_array<T const volatile[]> : public true_type{};
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template <class T> struct is_array<T volatile[]> : public true_type{};
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#endif
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#endif
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#endif
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} // namespace boost
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#endif // BOOST_TT_IS_ARRAY_HPP_INCLUDED
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