boost/type_traits/is_array.hpp
// (C) Copyright Dave Abrahams, 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.
// Some fixes for is_array are based on a newsgroup posting by Jonathan Lundquist.
#ifndef BOOST_TT_IS_ARRAY_HPP_INCLUDED
#define BOOST_TT_IS_ARRAY_HPP_INCLUDED
#include <boost/type_traits/config.hpp>
#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
# include <boost/type_traits/detail/yes_no_type.hpp>
# include <boost/type_traits/detail/wrap.hpp>
#endif
#include <cstddef>
// should be the last #include
#include <boost/type_traits/detail/bool_trait_def.hpp>
namespace boost {
#if defined( __CODEGEARC__ )
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_array,T,__is_array(T))
#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_array,T,false)
#if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T[N],true)
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T const[N],true)
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T volatile[N],true)
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T const volatile[N],true)
#if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(__IBMCPP__) && !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T[],true)
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T const[],true)
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T volatile[],true)
BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T const volatile[],true)
#endif
#endif
#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
namespace detail {
using ::boost::type_traits::yes_type;
using ::boost::type_traits::no_type;
using ::boost::type_traits::wrap;
template< typename T > T(* is_array_tester1(wrap<T>) )(wrap<T>);
char BOOST_TT_DECL is_array_tester1(...);
template< typename T> no_type is_array_tester2(T(*)(wrap<T>));
yes_type BOOST_TT_DECL is_array_tester2(...);
template< typename T >
struct is_array_impl
{
BOOST_STATIC_CONSTANT(bool, value =
sizeof(::boost::detail::is_array_tester2(
::boost::detail::is_array_tester1(
::boost::type_traits::wrap<T>()
)
)) == 1
);
};
#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void,false)
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void const,false)
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void volatile,false)
BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void const volatile,false)
#endif
} // namespace detail
BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_array,T,::boost::detail::is_array_impl<T>::value)
#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
} // namespace boost
#include <boost/type_traits/detail/bool_trait_undef.hpp>
#endif // BOOST_TT_IS_ARRAY_HPP_INCLUDED