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BOOST_TT_AUX_BOOL_TRAIT_DEF1 removed

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[SVN r34105]
This commit is contained in:
Alexander Nasonov
2006-05-26 17:53:53 +00:00
parent 6e89d59975
commit 1721b740ff
1 changed files with 13 additions and 12 deletions
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25
include/boost/type_traits/integral_promotion.hpp
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@ -10,34 +10,36 @@
#include <boost/mpl/eval_if.hpp>
#include <boost/mpl/identity.hpp>
#include <boost/type_traits/integral_constant.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/is_enum.hpp>
#include <boost/type_traits/is_volatile.hpp>
#include <boost/type_traits/remove_cv.hpp>
// Should be the last #include
#include <boost/type_traits/detail/type_trait_def.hpp>
#include <boost/type_traits/detail/bool_trait_def.hpp>
namespace boost {
namespace type_traits { namespace detail {
// 4.5/2
BOOST_TT_AUX_BOOL_TRAIT_DEF1(need_promotion, T, boost::is_enum<T>::value)
template <class T> struct need_promotion : boost::is_enum<T> {};
// 4.5/1
BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(need_promotion, char , true)
BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(need_promotion, signed char , true)
BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(need_promotion, unsigned char , true)
BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(need_promotion, signed short int , true)
BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(need_promotion, unsigned short int, true)
template<> struct need_promotion<char > : true_type {};
template<> struct need_promotion<signed char > : true_type {};
template<> struct need_promotion<unsigned char > : true_type {};
template<> struct need_promotion<signed short int > : true_type {};
template<> struct need_promotion<unsigned short int> : true_type {};
// Specializations for non-standard types.
// Type is promoted if it's smaller then int.
#define BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE(T) \
BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(need_promotion, T, (sizeof(T) < sizeof(int)))
template<> struct need_promotion<T> \
: integral_constant<bool, (sizeof(T) < sizeof(int))> {};
// Same set of integral types as in boost/type_traits/is_integral.hpp.
// Please, keep in sync.
@ -70,13 +72,13 @@ BOOST_TT_AUX_PROMOTE_NONSTANDARD_TYPE( __int64)
#ifndef BOOST_NO_INTRINSIC_WCHAR_T
// 4.5/2
BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(need_promotion, wchar_t, true)
template<> struct need_promotion<wchar_t> : true_type {};
#endif
// 4.5/3 (integral bit-field) is not supported.
// 4.5/4
BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(need_promotion, bool, true)
template<> struct need_promotion<bool> : true_type {};
// Get promoted type by index and cv qualifiers.
@ -170,7 +172,7 @@ struct integral_promotion_impl
template<class T>
struct integral_promotion
: boost::mpl::eval_if<
need_promotion<T>
need_promotion<BOOST_DEDUCED_TYPENAME remove_cv<T>::type>
, integral_promotion_impl<T>
, boost::mpl::identity<T>
>
@ -187,7 +189,6 @@ BOOST_TT_AUX_TYPE_TRAIT_DEF1(
)
}
#include <boost/type_traits/detail/bool_trait_undef.hpp>
#include <boost/type_traits/detail/type_trait_undef.hpp>
#endif // #ifndef FILE_boost_type_traits_integral_promotion_hpp_INCLUDED