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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/detail/variadic/take.hpp> | |
6 | ||
7 | #include <boost/hana/assert.hpp> | |
8 | #include <boost/hana/equal.hpp> | |
9 | ||
10 | #include <laws/base.hpp> | |
11 | namespace hana = boost::hana; | |
12 | namespace vd = hana::detail::variadic; | |
13 | using hana::test::ct_eq; | |
14 | ||
15 | ||
16 | int main() { | |
17 | hana::test::_injection<0> f{}; | |
18 | ||
19 | { | |
20 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
21 | vd::take<0>()(f), | |
22 | f() | |
23 | )); | |
24 | ||
25 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
26 | vd::take<0>(ct_eq<1>{})(f), | |
27 | f() | |
28 | )); | |
29 | ||
30 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
31 | vd::take<0>(ct_eq<1>{}, ct_eq<2>{})(f), | |
32 | f() | |
33 | )); | |
34 | } | |
35 | { | |
36 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
37 | vd::take<1>(ct_eq<1>{})(f), | |
38 | f(ct_eq<1>{}) | |
39 | )); | |
40 | ||
41 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
42 | vd::take<1>(ct_eq<1>{}, ct_eq<2>{})(f), | |
43 | f(ct_eq<1>{}) | |
44 | )); | |
45 | ||
46 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
47 | vd::take<1>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})(f), | |
48 | f(ct_eq<1>{}) | |
49 | )); | |
50 | } | |
51 | { | |
52 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
53 | vd::take<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{})(f), | |
54 | f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}) | |
55 | )); | |
56 | ||
57 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
58 | vd::take<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{})(f), | |
59 | f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}) | |
60 | )); | |
61 | } | |
62 | } |