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/any_of.hpp> | |
| 6 | #include <boost/hana/assert.hpp> | |
| 7 | #include <boost/hana/bool.hpp> | |
| 8 | #include <boost/hana/concept/foldable.hpp> | |
| 9 | #include <boost/hana/concept/searchable.hpp> | |
| 10 | #include <boost/hana/equal.hpp> | |
| 11 | #include <boost/hana/find_if.hpp> | |
| 12 | #include <boost/hana/functional/always.hpp> | |
| 13 | #include <boost/hana/functional/placeholder.hpp> | |
| 14 | #include <boost/hana/not.hpp> | |
| 15 | #include <boost/hana/optional.hpp> | |
| 16 | #include <boost/hana/unpack.hpp> | |
| 17 | ||
| 18 | #include <laws/base.hpp> | |
| 19 | #include <laws/foldable.hpp> | |
| 20 | #include <laws/searchable.hpp> | |
| 21 | ||
| 22 | #include <cstddef> | |
| 23 | namespace hana = boost::hana; | |
| 24 | ||
| 25 | ||
| 26 | template <typename T, std::size_t n> | |
| 27 | using array = T[n]; | |
| 28 | ||
| 29 | int main() { | |
| 30 | // We can't check the laws because builtin arrays can't be passed | |
| 31 | // to functions. | |
| 32 | ||
| 33 | ////////////////////////////////////////////////////////////////////////// | |
| 34 | // Foldable | |
| 35 | ////////////////////////////////////////////////////////////////////////// | |
| 36 | { | |
| 37 | int a[] = {1}; | |
| 38 | int b[] = {1, 2}; | |
| 39 | int c[] = {1, 2, 3}; | |
| 40 | int d[] = {1, 2, 3, 4}; | |
| 41 | ||
| 42 | // unpack | |
| 43 | { | |
| 44 | hana::test::_injection<0> f{}; | |
| 45 | ||
| 46 | BOOST_HANA_RUNTIME_CHECK(hana::equal( | |
| 47 | hana::unpack(a, f), | |
| 48 | f(1) | |
| 49 | )); | |
| 50 | ||
| 51 | BOOST_HANA_RUNTIME_CHECK(hana::equal( | |
| 52 | hana::unpack(b, f), | |
| 53 | f(1, 2) | |
| 54 | )); | |
| 55 | ||
| 56 | BOOST_HANA_RUNTIME_CHECK(hana::equal( | |
| 57 | hana::unpack(c, f), | |
| 58 | f(1, 2, 3) | |
| 59 | )); | |
| 60 | ||
| 61 | BOOST_HANA_RUNTIME_CHECK(hana::equal( | |
| 62 | hana::unpack(d, f), | |
| 63 | f(1, 2, 3, 4) | |
| 64 | )); | |
| 65 | } | |
| 66 | ||
| 67 | static_assert(hana::Foldable<int[3]>::value, ""); | |
| 68 | } | |
| 69 | ||
| 70 | ////////////////////////////////////////////////////////////////////////// | |
| 71 | // Searchable | |
| 72 | ////////////////////////////////////////////////////////////////////////// | |
| 73 | { | |
| 74 | // any_of | |
| 75 | { | |
| 76 | static_assert( | |
| 77 | hana::not_(hana::any_of(array<int, 1>{0}, hana::equal.to(1))) | |
| 78 | , ""); | |
| 79 | ||
| 80 | static_assert( | |
| 81 | hana::any_of(array<int, 2>{0, 1}, hana::equal.to(0)) | |
| 82 | , ""); | |
| 83 | static_assert( | |
| 84 | hana::any_of(array<int, 2>{0, 1}, hana::equal.to(1)) | |
| 85 | , ""); | |
| 86 | static_assert( | |
| 87 | hana::not_(hana::any_of(array<int, 2>{0, 1}, hana::equal.to(2))) | |
| 88 | , ""); | |
| 89 | ||
| 90 | static_assert( | |
| 91 | hana::any_of(array<int, 3>{0, 1, 2}, hana::equal.to(0)) | |
| 92 | , ""); | |
| 93 | static_assert( | |
| 94 | hana::any_of(array<int, 3>{0, 1, 2}, hana::equal.to(1)) | |
| 95 | , ""); | |
| 96 | static_assert( | |
| 97 | hana::any_of(array<int, 3>{0, 1, 2}, hana::equal.to(2)) | |
| 98 | , ""); | |
| 99 | static_assert( | |
| 100 | hana::not_(hana::any_of(array<int, 3>{0, 1, 2}, hana::equal.to(3))) | |
| 101 | , ""); | |
| 102 | } | |
| 103 | ||
| 104 | // find_if | |
| 105 | // Note: Because we need the predicate to return a Constant, this | |
| 106 | // is incredibly not powerful. | |
| 107 | { | |
| 108 | static_assert(hana::equal( | |
| 109 | hana::find_if(array<int, 1>{0}, hana::always(hana::true_c)), | |
| 110 | hana::just(0) | |
| 111 | ), ""); | |
| 112 | ||
| 113 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 114 | hana::find_if(array<int, 1>{0}, hana::always(hana::false_c)), | |
| 115 | hana::nothing | |
| 116 | )); | |
| 117 | } | |
| 118 | ||
| 119 | static_assert(hana::Searchable<int[3]>::value, ""); | |
| 120 | } | |
| 121 | } |