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
|
/*
* libfud
* Copyright 2024 Dominick Allen
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FUD_UNIQUE_ARRAY_HPP
#define FUD_UNIQUE_ARRAY_HPP
#include "array.hpp"
#include "fud_type_traits.hpp"
#include <cstdlib>
#include <utility>
namespace fud {
template <class T, T... Vs>
class UniqueArray { // NOLINT(cppcoreguidelines-special-member-functions)
public:
// NOLINTBEGIN(cppcoreguidelines-avoid-const-or-ref-data-members)
const Array<T, sizeof...(Vs)> m_values{};
// NOLINTEND(cppcoreguidelines-avoid-const-or-ref-data-members)
~UniqueArray() = default;
constexpr UniqueArray() : m_values{{Vs...}}
{
static_assert(sizeof...(Vs) < 2 || !hasDuplicates<T, Vs...>());
}
constexpr UniqueArray(const UniqueArray& rhs) : m_values(rhs.m_values)
{
static_assert(sizeof...(Vs) < 2 || !hasDuplicates<T, Vs...>());
}
constexpr UniqueArray(UniqueArray&& rhs) noexcept : m_values(std::move(rhs).m_values)
{
static_assert(sizeof...(Vs) < 2 || !hasDuplicates<T, Vs...>());
}
[[nodiscard]] constexpr size_t size() const
{
return sizeof...(Vs);
}
};
template <typename T=size_t, T... Is>
constexpr UniqueArray<T, Is...> makeStaticIndexSet(std::integer_sequence<T, Is...> /*unused*/)
{
static_assert(sizeof...(Is) > 0);
return UniqueArray<T, Is...>{};
}
} // namespace fud
#endif
|
