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Correct misuses of __has_cpp_attribute #4812

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Correct misuses of __has_cpp_attribute #4812

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9674843
Correct misuses of __has_cpp_attribute
CaseyCarter Oct 18, 2024
42d848e
Correct typo
CaseyCarter Oct 18, 2024
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9 changes: 4 additions & 5 deletions src/tools.h
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Original file line number Diff line number Diff line change
Expand Up @@ -77,18 +77,17 @@ const std::vector<Direction>& getShuffleDirections();

namespace tfs {

#if __has_cpp_attribute(__cpp_lib_to_underlying)
#ifdef __cpp_lib_to_underlying

template <class T>
using std::to_underlying<T>;
using std::to_underlying;

#else

inline constexpr auto to_underlying(auto e) noexcept { return static_cast<std::underlying_type_t<decltype(e)>>(e); }
constexpr auto to_underlying(auto e) noexcept { return static_cast<std::underlying_type_t<decltype(e)>>(e); }

#endif

#if __has_cpp_attribute(__cpp_lib_unreachable)
#ifdef __cpp_lib_unreachable
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using std::unreachable;

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