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author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-07-23 15:21:29 +0200 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2014-07-23 15:21:29 +0200 |
commit | bada6666c70977a058755ccf232e7d67b24adeed (patch) | |
tree | 1e92d50cebce96abaf9bce19e36026c47f77b9ba /libcutl/cutl/details/boost/type_traits/is_union.hpp | |
parent | eaf34adcbd8095bc6d1f3371b1227f654c7b19fc (diff) |
New upstream release
Diffstat (limited to 'libcutl/cutl/details/boost/type_traits/is_union.hpp')
-rw-r--r-- | libcutl/cutl/details/boost/type_traits/is_union.hpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libcutl/cutl/details/boost/type_traits/is_union.hpp b/libcutl/cutl/details/boost/type_traits/is_union.hpp new file mode 100644 index 0000000..2a4e482 --- /dev/null +++ b/libcutl/cutl/details/boost/type_traits/is_union.hpp @@ -0,0 +1,57 @@ + +// (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. + + +#ifndef BOOST_TT_IS_UNION_HPP_INCLUDED +#define BOOST_TT_IS_UNION_HPP_INCLUDED + +#include <cutl/details/boost/type_traits/remove_cv.hpp> +#include <cutl/details/boost/type_traits/config.hpp> +#include <cutl/details/boost/type_traits/intrinsics.hpp> + +// should be the last #include +#include <cutl/details/boost/type_traits/detail/bool_trait_def.hpp> + +namespace cutl_details_boost { + +namespace detail { +#ifndef __GNUC__ +template <typename T> struct is_union_impl +{ + typedef typename remove_cv<T>::type cvt; +#ifdef BOOST_IS_UNION + BOOST_STATIC_CONSTANT(bool, value = BOOST_IS_UNION(cvt)); +#else + BOOST_STATIC_CONSTANT(bool, value = false); +#endif +}; +#else +// +// using remove_cv here generates a whole load of needless +// warnings with gcc, since it doesn't do any good with gcc +// in any case (at least at present), just remove it: +// +template <typename T> struct is_union_impl +{ +#ifdef BOOST_IS_UNION + BOOST_STATIC_CONSTANT(bool, value = BOOST_IS_UNION(T)); +#else + BOOST_STATIC_CONSTANT(bool, value = false); +#endif +}; +#endif +} // namespace detail + +BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_union,T,::cutl_details_boost::detail::is_union_impl<T>::value) + +} // namespace cutl_details_boost + +#include <cutl/details/boost/type_traits/detail/bool_trait_undef.hpp> + +#endif // BOOST_TT_IS_UNION_HPP_INCLUDED |