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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/assert.hpp> | |
6 | #include <boost/hana/equal.hpp> | |
7 | #include <boost/hana/experimental/types.hpp> | |
8 | #include <boost/hana/type.hpp> | |
9 | #include <boost/hana/unpack.hpp> | |
10 | ||
11 | #include <laws/base.hpp> | |
12 | namespace hana = boost::hana; | |
13 | ||
14 | ||
15 | template <typename ...> | |
16 | struct mf { struct type; }; | |
17 | ||
18 | template <int> struct x; | |
19 | ||
20 | int main() { | |
21 | // with a Metafunction | |
22 | { | |
23 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
24 | hana::unpack(hana::experimental::types<>{}, hana::metafunction<mf>), | |
25 | hana::type_c<mf<>::type> | |
26 | )); | |
27 | ||
28 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
29 | hana::unpack(hana::experimental::types<x<0>>{}, hana::metafunction<mf>), | |
30 | hana::type_c<mf<x<0>>::type> | |
31 | )); | |
32 | ||
33 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
34 | hana::unpack(hana::experimental::types<x<0>, x<1>>{}, hana::metafunction<mf>), | |
35 | hana::type_c<mf<x<0>, x<1>>::type> | |
36 | )); | |
37 | ||
38 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
39 | hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>>{}, hana::metafunction<mf>), | |
40 | hana::type_c<mf<x<0>, x<1>, x<2>>::type> | |
41 | )); | |
42 | ||
43 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
44 | hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, hana::metafunction<mf>), | |
45 | hana::type_c<mf<x<0>, x<1>, x<2>, x<3>>::type> | |
46 | )); | |
47 | ||
48 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
49 | hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>, x<3>, x<4>>{}, hana::metafunction<mf>), | |
50 | hana::type_c<mf<x<0>, x<1>, x<2>, x<3>, x<4>>::type> | |
51 | )); | |
52 | } | |
53 | ||
54 | // with a non-Metafunction | |
55 | { | |
56 | auto f = hana::test::_injection<0>{}; | |
57 | ||
58 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
59 | hana::unpack(hana::experimental::types<>{}, f), | |
60 | f() | |
61 | )); | |
62 | ||
63 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
64 | hana::unpack(hana::experimental::types<x<0>>{}, f), | |
65 | f(hana::type_c<x<0>>) | |
66 | )); | |
67 | ||
68 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
69 | hana::unpack(hana::experimental::types<x<0>, x<1>>{}, f), | |
70 | f(hana::type_c<x<0>>, hana::type_c<x<1>>) | |
71 | )); | |
72 | ||
73 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
74 | hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>>{}, f), | |
75 | f(hana::type_c<x<0>>, hana::type_c<x<1>>, hana::type_c<x<2>>) | |
76 | )); | |
77 | ||
78 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
79 | hana::unpack(hana::experimental::types<x<0>, x<1>, x<2>, x<3>>{}, f), | |
80 | f(hana::type_c<x<0>>, hana::type_c<x<1>>, hana::type_c<x<2>>, hana::type_c<x<3>>) | |
81 | )); | |
82 | } | |
83 | } |