| 1 | // Copyright Louis Dionne 2013-2022 |
| 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/ext/boost/mpl/vector.hpp> |
| 6 | |
| 7 | #include <boost/hana/assert.hpp> |
| 8 | #include <boost/hana/equal.hpp> |
| 9 | #include <boost/hana/unpack.hpp> |
| 10 | #include <boost/hana/type.hpp> |
| 11 | |
| 12 | #include <laws/base.hpp> |
| 13 | #include <laws/foldable.hpp> |
| 14 | |
| 15 | #include <boost/mpl/vector.hpp> |
| 16 | namespace hana = boost::hana; |
| 17 | namespace mpl = boost::mpl; |
| 18 | |
| 19 | |
| 20 | struct t1; struct t2; struct t3; struct t4; |
| 21 | |
| 22 | int main() { |
| 23 | // unpack |
| 24 | { |
| 25 | hana::test::_injection<0> f{}; |
| 26 | BOOST_HANA_CONSTANT_CHECK(hana::equal( |
| 27 | hana::unpack(mpl::vector<>{}, f), |
| 28 | f() |
| 29 | )); |
| 30 | |
| 31 | BOOST_HANA_CONSTANT_CHECK(hana::equal( |
| 32 | hana::unpack(mpl::vector<t1>{}, f), |
| 33 | f(hana::type_c<t1>) |
| 34 | )); |
| 35 | |
| 36 | BOOST_HANA_CONSTANT_CHECK(hana::equal( |
| 37 | hana::unpack(mpl::vector<t1, t2>{}, f), |
| 38 | f(hana::type_c<t1>, hana::type_c<t2>) |
| 39 | )); |
| 40 | |
| 41 | BOOST_HANA_CONSTANT_CHECK(hana::equal( |
| 42 | hana::unpack(mpl::vector<t1, t2, t3>{}, f), |
| 43 | f(hana::type_c<t1>, hana::type_c<t2>, hana::type_c<t3>) |
| 44 | )); |
| 45 | } |
| 46 | |
| 47 | // laws |
| 48 | auto vectors = hana::make_tuple( |
| 49 | mpl::vector<>{} |
| 50 | , mpl::vector<t1>{} |
| 51 | , mpl::vector<t1, t2>{} |
| 52 | , mpl::vector<t1, t2, t3>{} |
| 53 | , mpl::vector<t1, t2, t3, t4>{} |
| 54 | ); |
| 55 | |
| 56 | hana::test::TestFoldable<hana::ext::boost::mpl::vector_tag>{vectors}; |
| 57 | } |
| 58 | |