diff options
Diffstat (limited to 'boost/hana/concept/comparable.hpp')
| -rw-r--r-- | boost/hana/concept/comparable.hpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/boost/hana/concept/comparable.hpp b/boost/hana/concept/comparable.hpp index a38e5c6747..96c28be7e9 100644 --- a/boost/hana/concept/comparable.hpp +++ b/boost/hana/concept/comparable.hpp @@ -15,15 +15,18 @@ 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/equal.hpp> BOOST_HANA_NAMESPACE_BEGIN template <typename T> - struct Comparable { - using Tag = typename tag_of<T>::type; - static constexpr bool value = !is_default<equal_impl<Tag, Tag>>::value; - }; + struct Comparable + : hana::integral_constant<bool, + !is_default<equal_impl<typename tag_of<T>::type, + typename tag_of<T>::type>>::value + > + { }; BOOST_HANA_NAMESPACE_END #endif // !BOOST_HANA_CONCEPT_COMPARABLE_HPP |