39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LIBCXX_TEST_CONCEPTS_LANG_CONCEPTS_ARITHMETIC_H_
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#define LIBCXX_TEST_CONCEPTS_LANG_CONCEPTS_ARITHMETIC_H_
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#include <concepts>
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// This overload should never be called. It exists solely to force subsumption.
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template <std::integral I>
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constexpr bool CheckSubsumption(I) {
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return false;
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}
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// clang-format off
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template <std::integral I>
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requires std::signed_integral<I> && (!std::unsigned_integral<I>)
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constexpr bool CheckSubsumption(I) {
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return std::is_signed_v<I>;
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}
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template <std::integral I>
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requires std::unsigned_integral<I> && (!std::signed_integral<I>)
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constexpr bool CheckSubsumption(I) {
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return std::is_unsigned_v<I>;
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}
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// clang-format on
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enum ClassicEnum { a, b, c };
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enum class ScopedEnum { x, y, z };
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struct EmptyStruct {};
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#endif // LIBCXX_TEST_CONCEPTS_LANG_CONCEPTS_ARITHMETIC_H_
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