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Diffstat (limited to 'include/fud_unique_array.hpp')
-rw-r--r-- | include/fud_unique_array.hpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/fud_unique_array.hpp b/include/fud_unique_array.hpp new file mode 100644 index 0000000..428374a --- /dev/null +++ b/include/fud_unique_array.hpp @@ -0,0 +1,68 @@ +/* + * 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 "fud_array.hpp" +#include "fud_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 |