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[libc++] Simplify the implementation of is_unbounded_array a bit #137716

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May 1, 2025
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[libc++] Simplify the implementation of is_unbounded_array a bit #137716

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12 changes: 2 additions & 10 deletions libcxx/include/__type_traits/is_unbounded_array.h
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Original file line number Diff line number Diff line change
Expand Up @@ -25,19 +25,11 @@ inline const bool __is_unbounded_array_v<_Tp[]> = true;

#if _LIBCPP_STD_VER >= 20

template <class>
struct _LIBCPP_NO_SPECIALIZATIONS is_unbounded_array : false_type {};

_LIBCPP_DIAGNOSTIC_PUSH
# if __has_warning("-Winvalid-specialization")
_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Winvalid-specialization")
# endif
template <class _Tp>
struct is_unbounded_array<_Tp[]> : true_type {};
_LIBCPP_DIAGNOSTIC_POP
struct _LIBCPP_NO_SPECIALIZATIONS is_unbounded_array : bool_constant<__is_unbounded_array_v<_Tp>> {};

template <class _Tp>
_LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_unbounded_array_v = is_unbounded_array<_Tp>::value;
_LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_unbounded_array_v = __is_unbounded_array_v<_Tp>;

#endif

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