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| author | DongHun Kwak <dh0128.kwak@samsung.com> | 2017-09-13 11:05:34 +0900 |
|---|---|---|
| committer | DongHun Kwak <dh0128.kwak@samsung.com> | 2017-09-13 11:06:28 +0900 |
| commit | 34bd32e225e2a8a94104489b31c42e5801cc1f4a (patch) | |
| tree | d021b579a0c190354819974e1eaf0baa54b551f3 /boost/hana/concept/group.hpp | |
| parent | f763a99a501650eff2c60288aa6f10ef916d769e (diff) | |
| download | boost-34bd32e225e2a8a94104489b31c42e5801cc1f4a.tar.gz boost-34bd32e225e2a8a94104489b31c42e5801cc1f4a.tar.bz2 boost-34bd32e225e2a8a94104489b31c42e5801cc1f4a.zip | |
Imported Upstream version 1.63.0upstream/1.63.0
Change-Id: Iac85556a04b7e58d63ba636dedb0986e3555714a
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'boost/hana/concept/group.hpp')
| -rw-r--r-- | boost/hana/concept/group.hpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/boost/hana/concept/group.hpp b/boost/hana/concept/group.hpp index 025537110a..5c8c34edf5 100644 --- a/boost/hana/concept/group.hpp +++ b/boost/hana/concept/group.hpp @@ -15,17 +15,20 @@ Distributed under the Boost Software License, Version 1.0. #include <boost/hana/config.hpp> #include <boost/hana/core/default.hpp> #include <boost/hana/core/tag_of.hpp> +#include <boost/hana/detail/integral_constant.hpp> #include <boost/hana/minus.hpp> #include <boost/hana/negate.hpp> BOOST_HANA_NAMESPACE_BEGIN template <typename G> - struct Group { - using Tag = typename tag_of<G>::type; - static constexpr bool value = !is_default<negate_impl<Tag>>::value || - !is_default<minus_impl<Tag, Tag>>::value; - }; + struct Group + : hana::integral_constant<bool, + !is_default<negate_impl<typename tag_of<G>::type>>::value || + !is_default<minus_impl<typename tag_of<G>::type, + typename tag_of<G>::type>>::value + > + { }; BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_CONCEPT_GROUP_HPP |