integer_sequence.hpp

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// SPDX-License-Identifier: BSL-1.0
 
#ifndef TETL_UTILITY_INTEGER_SEQUENCE_HPP
#define TETL_UTILITY_INTEGER_SEQUENCE_HPP
 
#include <etl/_config/all.hpp>
 
#include <etl/_cstddef/size_t.hpp>
#include <etl/_type_traits/is_integral.hpp>
 
namespace etl {
 
template <typename T, T... Ints>
struct integer_sequence {
    static_assert(is_integral_v<T>, "T must be an integral type.");
 
    using value_type = T;
 
    [[nodiscard]] static constexpr auto size() noexcept -> size_t { return sizeof...(Ints); }
};
 
template <typename T, T Size>
using make_integer_sequence = TETL_BUILTIN_INT_SEQ(T, Size);
 
} // namespace etl
 
#endif // TETL_UTILITY_INTEGER_SEQUENCE_HPP