1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
// Copyright Louis Dionne 2013-2022
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/bool.hpp>
#include <boost/hana/optional.hpp>
#include <boost/hana/tuple.hpp>
#include <laws/applicative.hpp>
#include <laws/base.hpp>
#include <laws/comparable.hpp>
#include <laws/foldable.hpp>
#include <laws/functor.hpp>
#include <laws/monad.hpp>
#include <laws/monad_plus.hpp>
#include <laws/orderable.hpp>
#include <laws/searchable.hpp>
namespace hana = boost::hana;
using hana::test::ct_eq;
using hana::test::ct_ord;
int main() {
auto ords = hana::make_tuple(
hana::nothing,
hana::just(ct_ord<0>{}),
hana::just(ct_ord<1>{}),
hana::just(ct_ord<2>{})
);
auto eqs = hana::make_tuple(
hana::nothing,
hana::just(ct_eq<0>{}),
hana::just(ct_eq<1>{}),
hana::just(ct_eq<2>{})
);
auto eq_values = hana::make_tuple(ct_eq<0>{}, ct_eq<2>{}, ct_eq<3>{});
auto predicates = hana::make_tuple(
hana::equal.to(ct_eq<0>{}),
hana::equal.to(ct_eq<2>{}),
hana::equal.to(ct_eq<3>{}),
hana::always(hana::false_c),
hana::always(hana::true_c)
);
auto nested_eqs = hana::make_tuple(
hana::nothing,
hana::just(hana::just(ct_eq<0>{})),
hana::just(hana::nothing),
hana::just(hana::just(ct_eq<2>{}))
);
hana::test::TestComparable<hana::optional_tag>{eqs};
hana::test::TestOrderable<hana::optional_tag>{ords};
hana::test::TestFunctor<hana::optional_tag>{eqs, eq_values};
hana::test::TestApplicative<hana::optional_tag>{eqs};
hana::test::TestMonad<hana::optional_tag>{eqs, nested_eqs};
hana::test::TestMonadPlus<hana::optional_tag>{eqs, predicates, eq_values};
hana::test::TestSearchable<hana::optional_tag>{eqs, eq_values};
hana::test::TestSearchable<hana::optional_tag>{
hana::make_tuple(
hana::just(hana::true_c),
hana::just(hana::false_c),
hana::nothing
),
hana::make_tuple(hana::true_c, hana::false_c)
};
hana::test::TestFoldable<hana::optional_tag>{eqs};
}
|
