// (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 newgroup 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 |