projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| b32b8144 | 1 | // Copyright Louis Dionne 2013-2017 |
| 7c673cae FG |
2 | // Distributed under the Boost Software License, Version 1.0. |
| 3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) | |
| 4 | ||
| 5 | #include <boost/hana/core/tag_of.hpp> | |
| 6 | #include <boost/hana/ext/boost/tuple.hpp> | |
| 7 | ||
| 8 | #include <boost/tuple/tuple.hpp> | |
| 9 | ||
| 10 | #include <type_traits> | |
| 11 | namespace hana = boost::hana; | |
| 12 | ||
| 13 | ||
| 14 | int main() { | |
| 15 | ////////////////////////////////////////////////////////////////////////// | |
| 16 | // make sure the tag is correct | |
| 17 | ////////////////////////////////////////////////////////////////////////// | |
| 18 | { | |
| 19 | auto make_cons = [](auto x, auto xs) { | |
| 20 | return boost::tuples::cons<decltype(x), decltype(xs)>{x, xs}; | |
| 21 | }; | |
| 22 | ||
| 23 | static_assert(std::is_same< | |
| 24 | hana::tag_of_t<decltype(boost::make_tuple())>, | |
| 25 | hana::ext::boost::tuple_tag | |
| 26 | >::value, ""); | |
| 27 | ||
| 28 | static_assert(std::is_same< | |
| 29 | hana::tag_of_t<decltype(boost::make_tuple(1))>, | |
| 30 | hana::ext::boost::tuple_tag | |
| 31 | >::value, ""); | |
| 32 | ||
| 33 | static_assert(std::is_same< | |
| 34 | hana::tag_of_t<decltype(boost::make_tuple(1, '2'))>, | |
| 35 | hana::ext::boost::tuple_tag | |
| 36 | >::value, ""); | |
| 37 | ||
| 38 | static_assert(std::is_same< | |
| 39 | hana::tag_of_t<decltype(boost::make_tuple(1, '2', 3.3))>, | |
| 40 | hana::ext::boost::tuple_tag | |
| 41 | >::value, ""); | |
| 42 | ||
| 43 | static_assert(std::is_same< | |
| 44 | hana::tag_of_t<decltype(make_cons(1, boost::tuples::null_type{}))>, | |
| 45 | hana::ext::boost::tuple_tag | |
| 46 | >::value, ""); | |
| 47 | ||
| 48 | static_assert(std::is_same< | |
| 49 | hana::tag_of_t<decltype(make_cons(1, make_cons('2', boost::tuples::null_type{})))>, | |
| 50 | hana::ext::boost::tuple_tag | |
| 51 | >::value, ""); | |
| 52 | ||
| 53 | static_assert(std::is_same< | |
| 54 | hana::tag_of_t<decltype(make_cons(1, boost::make_tuple('2', 3.3)))>, | |
| 55 | hana::ext::boost::tuple_tag | |
| 56 | >::value, ""); | |
| 57 | ||
| 58 | static_assert(std::is_same< | |
| 59 | hana::tag_of_t<boost::tuples::null_type>, | |
| 60 | hana::ext::boost::tuple_tag | |
| 61 | >::value, ""); | |
| 62 | } | |
| 63 | } |