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).
8 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
11 // Some fixes for is_array are based on a newgroup posting by Jonathan Lundquist.
14 #ifndef BOOST_TT_IS_ARRAY_HPP_INCLUDED
15 #define BOOST_TT_IS_ARRAY_HPP_INCLUDED
17 #include <boost/type_traits/config.hpp>
19 #ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
20 # include <boost/type_traits/detail/yes_no_type.hpp>
21 # include <boost/type_traits/detail/wrap.hpp>
26 // should be the last #include
27 #include <boost/type_traits/detail/bool_trait_def.hpp>
31 #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
33 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_array,T,false)
34 #if !defined(BOOST_NO_ARRAY_TYPE_SPECIALIZATIONS)
35 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T[N],true)
36 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T const[N],true)
37 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T volatile[N],true)
38 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,std::size_t N,is_array,T const volatile[N],true)
39 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x600) && !defined(__IBMCPP__) && !BOOST_WORKAROUND(__DMC__, BOOST_TESTED_AT(0x840))
40 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T[],true)
41 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T const[],true)
42 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T volatile[],true)
43 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(typename T,is_array,T const volatile[],true)
47 #else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
51 using ::boost::type_traits::yes_type;
52 using ::boost::type_traits::no_type;
53 using ::boost::type_traits::wrap;
55 template< typename T > T(* is_array_tester1(wrap<T>) )(wrap<T>);
56 char BOOST_TT_DECL is_array_tester1(...);
58 template< typename T> no_type is_array_tester2(T(*)(wrap<T>));
59 yes_type BOOST_TT_DECL is_array_tester2(...);
61 template< typename T >
64 BOOST_STATIC_CONSTANT(bool, value =
65 sizeof(::boost::detail::is_array_tester2(
66 ::boost::detail::is_array_tester1(
67 ::boost::type_traits::wrap<T>()
73 #ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
74 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void,false)
75 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void const,false)
76 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void volatile,false)
77 BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(is_array,void const volatile,false)
82 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_array,T,::boost::detail::is_array_impl<T>::value)
84 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
88 #include <boost/type_traits/detail/bool_trait_undef.hpp>
90 #endif // BOOST_TT_IS_ARRAY_HPP_INCLUDED