3 Defines `boost::hana::Comparable`.
5 @copyright Louis Dionne 2013-2017
6 Distributed under the Boost Software License, Version 1.0.
7 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
10 #ifndef BOOST_HANA_CONCEPT_COMPARABLE_HPP
11 #define BOOST_HANA_CONCEPT_COMPARABLE_HPP
13 #include <boost/hana/fwd/concept/comparable.hpp>
15 #include <boost/hana/config.hpp>
16 #include <boost/hana/core/default.hpp>
17 #include <boost/hana/core/tag_of.hpp>
18 #include <boost/hana/detail/integral_constant.hpp>
19 #include <boost/hana/equal.hpp>
22 namespace boost { namespace hana {
25 : hana::integral_constant<bool,
26 !is_default<equal_impl<typename tag_of<T>::type,
27 typename tag_of<T>::type>>::value
30 }} // end namespace boost::hana
32 #endif // !BOOST_HANA_CONCEPT_COMPARABLE_HPP