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* Implement unreachable * Fix test
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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // Created by yonggyulee on 06/01/2025 | ||
| // | ||
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| #ifndef PREVIEW_CORE_NORETURN_H_ | ||
| #define PREVIEW_CORE_NORETURN_H_ | ||
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| #define PREVIEW_NORETURN [[noreturn]] | ||
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| #endif // PREVIEW_CORE_NORETURN_H_ |
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| // | ||
| // Created by yonggyulee on 18/11/2024 | ||
| // | ||
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| #ifndef PREVIEW_INCLUDE_PREVIEW_UTILITY_UNREACHABLE_H_ | ||
| #define PREVIEW_INCLUDE_PREVIEW_UTILITY_UNREACHABLE_H_ | ||
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| #include "preview/__core/std_version.h" | ||
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| #if PREVIEW_CXX_VERSION >= 23 | ||
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| #include <utility> | ||
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| namespace preview { | ||
| using std::unreachable; | ||
| } // namespace preview | ||
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| #else | ||
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| #include "preview/__core/noreturn.h" | ||
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| # if defined(_MSC_VER) | ||
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| namespace preview { | ||
| PREVIEW_NORETURN inline void unreachable() { | ||
| __assume(0); | ||
| } | ||
| } // namespace preview | ||
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| # else | ||
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| #include <cstdlib> | ||
| #include <type_traits> | ||
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| #include "preview/__type_traits/void_t.h" | ||
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| namespace preview { | ||
| namespace detail_unreachable { | ||
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| template<typename = void> | ||
| struct adl_unreachable : std::false_type {}; | ||
| template<> | ||
| struct adl_unreachable<void_t<decltype(__builtin_unreachable())>> : std::true_type {}; | ||
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| PREVIEW_NORETURN [[maybe_unused]] inline void unreachable_impl(std::true_type) { | ||
| __builtin_unreachable(); | ||
| } | ||
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| PREVIEW_NORETURN [[maybe_unused]] inline void unreachable_impl(std::false_type) { | ||
| abort(); | ||
| } | ||
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| } // namespace detail_unreachable | ||
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| PREVIEW_NORETURN inline void unreachable() { | ||
| preview::detail_unreachable::unreachable_impl(detail_unreachable::adl_unreachable<>{}); | ||
| } | ||
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| } // namespace preview | ||
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| # endif // defined(_MSC_VER) | ||
| #endif // PREVIEW_CXX_VERSION >= 23 | ||
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| #endif // PREVIEW_INCLUDE_PREVIEW_UTILITY_UNREACHABLE_H_ |
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