[libcxx-commits] [libcxx] [libc++][NFC] Remove `public` from the type traits (PR #135088)

via libcxx-commits libcxx-commits at lists.llvm.org
Fri Apr 11 03:09:31 PDT 2025


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libcxx

Author: Nikolas Klauser (philnik777)

<details>
<summary>Changes</summary>

The type traits are always `struct`s, so the `public` isn't necessary.
We're currently using `public` in some places, while we omit it in
others. This makes us consistent across the type traits.


---

Patch is 35.31 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/135088.diff


36 Files Affected:

- (modified) libcxx/include/__type_traits/is_abstract.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_aggregate.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_arithmetic.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_assignable.h (+2-3) 
- (modified) libcxx/include/__type_traits/is_base_of.h (+2-3) 
- (modified) libcxx/include/__type_traits/is_class.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_constructible.h (+4-5) 
- (modified) libcxx/include/__type_traits/is_convertible.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_core_convertible.h (+2-2) 
- (modified) libcxx/include/__type_traits/is_destructible.h (+7-7) 
- (modified) libcxx/include/__type_traits/is_empty.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_enum.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_final.h (+2-2) 
- (modified) libcxx/include/__type_traits/is_floating_point.h (+5-5) 
- (modified) libcxx/include/__type_traits/is_fundamental.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_implicit_lifetime.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_literal_type.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_nothrow_assignable.h (+5-8) 
- (modified) libcxx/include/__type_traits/is_nothrow_constructible.h (+4-4) 
- (modified) libcxx/include/__type_traits/is_nothrow_destructible.h (+6-7) 
- (modified) libcxx/include/__type_traits/is_pod.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_pointer.h (+3-3) 
- (modified) libcxx/include/__type_traits/is_polymorphic.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_reference.h (+4-4) 
- (modified) libcxx/include/__type_traits/is_reference_wrapper.h (+3-3) 
- (modified) libcxx/include/__type_traits/is_scalar.h (+2-2) 
- (modified) libcxx/include/__type_traits/is_signed.h (+5-5) 
- (modified) libcxx/include/__type_traits/is_signed_integer.h (+7-7) 
- (modified) libcxx/include/__type_traits/is_standard_layout.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_trivial.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_trivially_assignable.h (+3-4) 
- (modified) libcxx/include/__type_traits/is_trivially_constructible.h (+3-3) 
- (modified) libcxx/include/__type_traits/is_trivially_copyable.h (+1-2) 
- (modified) libcxx/include/__type_traits/is_trivially_destructible.h (+2-2) 
- (modified) libcxx/include/__type_traits/is_union.h (+1-1) 
- (modified) libcxx/include/__type_traits/is_unsigned_integer.h (+7-7) 


``````````diff
diff --git a/libcxx/include/__type_traits/is_abstract.h b/libcxx/include/__type_traits/is_abstract.h
index f45acd58853a0..e2f68f2383c9f 100644
--- a/libcxx/include/__type_traits/is_abstract.h
+++ b/libcxx/include/__type_traits/is_abstract.h
@@ -19,7 +19,7 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_abstract : public integral_constant<bool, __is_abstract(_Tp)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_abstract : integral_constant<bool, __is_abstract(_Tp)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_aggregate.h b/libcxx/include/__type_traits/is_aggregate.h
index dc59c32f00aea..d1acec6b3e102 100644
--- a/libcxx/include/__type_traits/is_aggregate.h
+++ b/libcxx/include/__type_traits/is_aggregate.h
@@ -21,7 +21,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 #if _LIBCPP_STD_VER >= 17
 
 template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_aggregate : public integral_constant<bool, __is_aggregate(_Tp)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_aggregate : integral_constant<bool, __is_aggregate(_Tp)> {};
 
 template <class _Tp>
 _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_aggregate_v = __is_aggregate(_Tp);
diff --git a/libcxx/include/__type_traits/is_arithmetic.h b/libcxx/include/__type_traits/is_arithmetic.h
index 594ba543a83cb..0d5c29385f25d 100644
--- a/libcxx/include/__type_traits/is_arithmetic.h
+++ b/libcxx/include/__type_traits/is_arithmetic.h
@@ -22,7 +22,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_arithmetic
-    : public integral_constant<bool, is_integral<_Tp>::value || is_floating_point<_Tp>::value> {};
+    : integral_constant<bool, is_integral<_Tp>::value || is_floating_point<_Tp>::value> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_assignable.h b/libcxx/include/__type_traits/is_assignable.h
index bbd59e15f1069..253e86ba774ea 100644
--- a/libcxx/include/__type_traits/is_assignable.h
+++ b/libcxx/include/__type_traits/is_assignable.h
@@ -30,8 +30,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_assignable_v = __is_assignab
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_copy_assignable
-    : public integral_constant<bool,
-                               __is_assignable(__add_lvalue_reference_t<_Tp>, __add_lvalue_reference_t<const _Tp>)> {};
+    : integral_constant<bool, __is_assignable(__add_lvalue_reference_t<_Tp>, __add_lvalue_reference_t<const _Tp>)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
@@ -40,7 +39,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_copy_assignable_v = is_copy_
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_move_assignable
-    : public integral_constant<bool, __is_assignable(__add_lvalue_reference_t<_Tp>, __add_rvalue_reference_t<_Tp>)> {};
+    : integral_constant<bool, __is_assignable(__add_lvalue_reference_t<_Tp>, __add_rvalue_reference_t<_Tp>)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_base_of.h b/libcxx/include/__type_traits/is_base_of.h
index c71ed54374571..afbe8cac659e5 100644
--- a/libcxx/include/__type_traits/is_base_of.h
+++ b/libcxx/include/__type_traits/is_base_of.h
@@ -19,7 +19,7 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Bp, class _Dp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_base_of : public integral_constant<bool, __is_base_of(_Bp, _Dp)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_base_of : integral_constant<bool, __is_base_of(_Bp, _Dp)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Bp, class _Dp>
@@ -30,8 +30,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_base_of_v = __is_base_of(_Bp
 #  if __has_builtin(__builtin_is_virtual_base_of)
 
 template <class _Base, class _Derived>
-struct _LIBCPP_NO_SPECIALIZATIONS is_virtual_base_of
-    : public bool_constant<__builtin_is_virtual_base_of(_Base, _Derived)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_virtual_base_of : bool_constant<__builtin_is_virtual_base_of(_Base, _Derived)> {};
 
 template <class _Base, class _Derived>
 _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_virtual_base_of_v = __builtin_is_virtual_base_of(_Base, _Derived);
diff --git a/libcxx/include/__type_traits/is_class.h b/libcxx/include/__type_traits/is_class.h
index 0d64b8c7dbd1f..ba466f1bbddaf 100644
--- a/libcxx/include/__type_traits/is_class.h
+++ b/libcxx/include/__type_traits/is_class.h
@@ -19,7 +19,7 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_class : public integral_constant<bool, __is_class(_Tp)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_class : integral_constant<bool, __is_class(_Tp)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_constructible.h b/libcxx/include/__type_traits/is_constructible.h
index 20701e1f4d667..feafb70b1f684 100644
--- a/libcxx/include/__type_traits/is_constructible.h
+++ b/libcxx/include/__type_traits/is_constructible.h
@@ -21,8 +21,7 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp, class... _Args>
-struct _LIBCPP_NO_SPECIALIZATIONS is_constructible : public integral_constant<bool, __is_constructible(_Tp, _Args...)> {
-};
+struct _LIBCPP_NO_SPECIALIZATIONS is_constructible : integral_constant<bool, __is_constructible(_Tp, _Args...)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp, class... _Args>
@@ -31,7 +30,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_constructible_v = __is_const
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_copy_constructible
-    : public integral_constant<bool, __is_constructible(_Tp, __add_lvalue_reference_t<const _Tp>)> {};
+    : integral_constant<bool, __is_constructible(_Tp, __add_lvalue_reference_t<const _Tp>)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
@@ -40,7 +39,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_copy_constructible_v = is_co
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_move_constructible
-    : public integral_constant<bool, __is_constructible(_Tp, __add_rvalue_reference_t<_Tp>)> {};
+    : integral_constant<bool, __is_constructible(_Tp, __add_rvalue_reference_t<_Tp>)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
@@ -48,7 +47,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_move_constructible_v = is_mo
 #endif
 
 template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_default_constructible : public integral_constant<bool, __is_constructible(_Tp)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_default_constructible : integral_constant<bool, __is_constructible(_Tp)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_convertible.h b/libcxx/include/__type_traits/is_convertible.h
index b142271550b94..cef3c4a764914 100644
--- a/libcxx/include/__type_traits/is_convertible.h
+++ b/libcxx/include/__type_traits/is_convertible.h
@@ -19,7 +19,7 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _T1, class _T2>
-struct _LIBCPP_NO_SPECIALIZATIONS is_convertible : public integral_constant<bool, __is_convertible(_T1, _T2)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_convertible : integral_constant<bool, __is_convertible(_T1, _T2)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _From, class _To>
diff --git a/libcxx/include/__type_traits/is_core_convertible.h b/libcxx/include/__type_traits/is_core_convertible.h
index 0de177c7771f4..93e23d24d6624 100644
--- a/libcxx/include/__type_traits/is_core_convertible.h
+++ b/libcxx/include/__type_traits/is_core_convertible.h
@@ -24,11 +24,11 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 // and __is_core_convertible<immovable-type,immovable-type> is true in C++17 and later.
 
 template <class _Tp, class _Up, class = void>
-struct __is_core_convertible : public false_type {};
+struct __is_core_convertible : false_type {};
 
 template <class _Tp, class _Up>
 struct __is_core_convertible<_Tp, _Up, decltype(static_cast<void (*)(_Up)>(0)(static_cast<_Tp (*)()>(0)()))>
-    : public true_type {};
+    : true_type {};
 
 _LIBCPP_END_NAMESPACE_STD
 
diff --git a/libcxx/include/__type_traits/is_destructible.h b/libcxx/include/__type_traits/is_destructible.h
index bb521b86b8f18..ae661a46168b8 100644
--- a/libcxx/include/__type_traits/is_destructible.h
+++ b/libcxx/include/__type_traits/is_destructible.h
@@ -62,28 +62,28 @@ struct __destructible_imp;
 
 template <class _Tp>
 struct __destructible_imp<_Tp, false>
-    : public integral_constant<bool, __is_destructor_wellformed<__remove_all_extents_t<_Tp> >::value> {};
+    : integral_constant<bool, __is_destructor_wellformed<__remove_all_extents_t<_Tp> >::value> {};
 
 template <class _Tp>
-struct __destructible_imp<_Tp, true> : public true_type {};
+struct __destructible_imp<_Tp, true> : true_type {};
 
 template <class _Tp, bool>
 struct __destructible_false;
 
 template <class _Tp>
-struct __destructible_false<_Tp, false> : public __destructible_imp<_Tp, is_reference<_Tp>::value> {};
+struct __destructible_false<_Tp, false> : __destructible_imp<_Tp, is_reference<_Tp>::value> {};
 
 template <class _Tp>
-struct __destructible_false<_Tp, true> : public false_type {};
+struct __destructible_false<_Tp, true> : false_type {};
 
 template <class _Tp>
-struct is_destructible : public __destructible_false<_Tp, is_function<_Tp>::value> {};
+struct is_destructible : __destructible_false<_Tp, is_function<_Tp>::value> {};
 
 template <class _Tp>
-struct is_destructible<_Tp[]> : public false_type {};
+struct is_destructible<_Tp[]> : false_type {};
 
 template <>
-struct is_destructible<void> : public false_type {};
+struct is_destructible<void> : false_type {};
 
 #  if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_empty.h b/libcxx/include/__type_traits/is_empty.h
index a86058ed1bf5c..be6a0d1de7865 100644
--- a/libcxx/include/__type_traits/is_empty.h
+++ b/libcxx/include/__type_traits/is_empty.h
@@ -19,7 +19,7 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_empty : public integral_constant<bool, __is_empty(_Tp)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_empty : integral_constant<bool, __is_empty(_Tp)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_enum.h b/libcxx/include/__type_traits/is_enum.h
index c0d223f335989..4a58b193fe78e 100644
--- a/libcxx/include/__type_traits/is_enum.h
+++ b/libcxx/include/__type_traits/is_enum.h
@@ -19,7 +19,7 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_enum : public integral_constant<bool, __is_enum(_Tp)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_enum : integral_constant<bool, __is_enum(_Tp)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_final.h b/libcxx/include/__type_traits/is_final.h
index d78af6962cafa..e9ef1425c9760 100644
--- a/libcxx/include/__type_traits/is_final.h
+++ b/libcxx/include/__type_traits/is_final.h
@@ -19,11 +19,11 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp>
-struct __libcpp_is_final : public integral_constant<bool, __is_final(_Tp)> {};
+struct __libcpp_is_final : integral_constant<bool, __is_final(_Tp)> {};
 
 #if _LIBCPP_STD_VER >= 14
 template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_final : public integral_constant<bool, __is_final(_Tp)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_final : integral_constant<bool, __is_final(_Tp)> {};
 #endif
 
 #if _LIBCPP_STD_VER >= 17
diff --git a/libcxx/include/__type_traits/is_floating_point.h b/libcxx/include/__type_traits/is_floating_point.h
index 51f94be7389f6..b87363fe5b357 100644
--- a/libcxx/include/__type_traits/is_floating_point.h
+++ b/libcxx/include/__type_traits/is_floating_point.h
@@ -20,14 +20,14 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 // clang-format off
-template <class _Tp> struct __libcpp_is_floating_point              : public false_type {};
-template <>          struct __libcpp_is_floating_point<float>       : public true_type {};
-template <>          struct __libcpp_is_floating_point<double>      : public true_type {};
-template <>          struct __libcpp_is_floating_point<long double> : public true_type {};
+template <class _Tp> struct __libcpp_is_floating_point              : false_type {};
+template <>          struct __libcpp_is_floating_point<float>       : true_type {};
+template <>          struct __libcpp_is_floating_point<double>      : true_type {};
+template <>          struct __libcpp_is_floating_point<long double> : true_type {};
 // clang-format on
 
 template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_floating_point : public __libcpp_is_floating_point<__remove_cv_t<_Tp> > {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_floating_point : __libcpp_is_floating_point<__remove_cv_t<_Tp> > {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_fundamental.h b/libcxx/include/__type_traits/is_fundamental.h
index d108bfd940e3a..6236553cfb836 100644
--- a/libcxx/include/__type_traits/is_fundamental.h
+++ b/libcxx/include/__type_traits/is_fundamental.h
@@ -34,7 +34,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_fundamental_v = __is_fundame
 
 template <class _Tp>
 struct is_fundamental
-    : public integral_constant<bool, is_void<_Tp>::value || __is_null_pointer_v<_Tp> || is_arithmetic<_Tp>::value> {};
+    : integral_constant<bool, is_void<_Tp>::value || __is_null_pointer_v<_Tp> || is_arithmetic<_Tp>::value> {};
 
 #  if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_implicit_lifetime.h b/libcxx/include/__type_traits/is_implicit_lifetime.h
index 34cf9b387120d..e5d1c05c437fc 100644
--- a/libcxx/include/__type_traits/is_implicit_lifetime.h
+++ b/libcxx/include/__type_traits/is_implicit_lifetime.h
@@ -22,7 +22,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 #  if __has_builtin(__builtin_is_implicit_lifetime)
 
 template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_implicit_lifetime : public bool_constant<__builtin_is_implicit_lifetime(_Tp)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_implicit_lifetime : bool_constant<__builtin_is_implicit_lifetime(_Tp)> {};
 
 template <class _Tp>
 _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_implicit_lifetime_v = __builtin_is_implicit_lifetime(_Tp);
diff --git a/libcxx/include/__type_traits/is_literal_type.h b/libcxx/include/__type_traits/is_literal_type.h
index 1c8c4d3b0b167..2e0df3ad1be38 100644
--- a/libcxx/include/__type_traits/is_literal_type.h
+++ b/libcxx/include/__type_traits/is_literal_type.h
@@ -21,7 +21,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 #if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_TYPE_TRAITS)
 template <class _Tp>
 struct _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_NO_SPECIALIZATIONS is_literal_type
-    : public integral_constant<bool, __is_literal_type(_Tp)> {};
+    : integral_constant<bool, __is_literal_type(_Tp)> {};
 
 #  if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_nothrow_assignable.h b/libcxx/include/__type_traits/is_nothrow_assignable.h
index 6b7aa467ab1b4..903dead4435e8 100644
--- a/libcxx/include/__type_traits/is_nothrow_assignable.h
+++ b/libcxx/include/__type_traits/is_nothrow_assignable.h
@@ -21,8 +21,8 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp, class _Arg>
-struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_assignable
-    : public integral_constant<bool, __is_nothrow_assignable(_Tp, _Arg)> {};
+struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_assignable : integral_constant<bool, __is_nothrow_assignable(_Tp, _Arg)> {
+};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp, class _Arg>
@@ -31,9 +31,8 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_assignable_v = __is_
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_copy_assignable
-    : public integral_constant<
-          bool,
-          __is_nothrow_assignable(__add_lvalue_reference_t<_Tp>, __add_lvalue_reference_t<const _Tp>)> {};
+    : integral_constant<bool,
+                        __is_nothrow_assignable(__add_lvalue_reference_t<_Tp>, __add_lvalue_reference_t<const _Tp>)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
@@ -42,9 +41,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_copy_assignable_v =
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_move_assignable
-    : public integral_constant<bool,
-                               __is_nothrow_assignable(__add_lvalue_reference_t<_Tp>, __add_rvalue_reference_t<_Tp>)> {
-};
+    : integral_constant<bool, __is_nothrow_assignable(__add_lvalue_reference_t<_Tp>, __add_rvalue_reference_t<_Tp>)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_nothrow_constructible.h b/libcxx/include/__type_traits/is_nothrow_constructible.h
index 67cb6683b0ab8..bd14c1c40516f 100644
--- a/libcxx/include/__type_traits/is_nothrow_constructible.h
+++ b/libcxx/include/__type_traits/is_nothrow_constructible.h
@@ -22,7 +22,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 template < class _Tp, class... _Args>
 struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_constructible
-    : public integral_constant<bool, __is_nothrow_constructible(_Tp, _Args...)> {};
+    : integral_constant<bool, __is_nothrow_constructible(_Tp, _Args...)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp, class... _Args>
@@ -32,7 +32,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_constructible_v =
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_copy_constructible
-    : public integral_constant< bool, __is_nothrow_constructible(_Tp, __add_lvalue_reference_t<const _Tp>)> {};
+    : integral_constant<bool, __is_nothrow_constructible(_Tp, __add_lvalue_reference_t<const _Tp>)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
@@ -42,7 +42,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_copy_constructible_v
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_move_constructible
-    : public integral_constant<bool, __is_nothrow_constructible(_Tp, __add_rvalue_reference_t<_Tp>)> {};
+    : integral_constant<bool, __is_nothrow_constructible(_Tp, __add_rvalue_reference_t<_Tp>)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
@@ -52,7 +52,7 @@ _LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_nothrow_move_constructible_v
 
 template <class _Tp>
 struct _LIBCPP_NO_SPECIALIZATIONS is_nothrow_default_constructible
-    : public integral_constant<bool, __is_nothrow_constructible(_Tp)> {};
+    : integral_constant<bool, __is_nothrow_constructible(_Tp)> {};
 
 #if _LIBCPP_STD_VER >= 17
 template <class _Tp>
diff --git a/libcxx/include/__type_traits/is_nothrow_destructible.h b/libcxx/include/__type_traits/is_nothrow_destructible.h
index 640de59a24d6c..81a34f98adf0a 100644
--- a/libcxx/include/__type_traits/is_nothrow_destructible.h
+++ b/libcxx/include/__type_traits/is_nothrow_destructible.h
@@ -32,23 +32,22 @@ template <bool, class _Tp>
 struct __libcpp_is_nothrow_destructible;
 
 template <class _Tp>
-struct __libcpp_is_nothrow_destructible<false, _Tp> : public false_type {};
+struct __libcpp_is_nothrow_destructible<false, _Tp> : false_type {};
 
 template <class _Tp>
-struct __libcpp_is_nothrow_destructible<true, _Tp>
-    : public integral_constant<bool, noexcept(std::declval<_Tp>().~_Tp()) > {};
+struct __libcpp_is_nothrow_destructible<true, _Tp> : integral_constant<bool, noexcept(std::declval<_Tp>().~_Tp()) > {};
 
 template <class _Tp>
-struct is_nothrow_destructible : public __libcpp_is_nothrow_destructible<is_destructible<_Tp>::value, _Tp> {};
+struct is_nothrow_destructible : __libcpp_is_nothrow_destructible<is_destructible<_Tp>::value, _Tp> {};
 
 template <class _Tp, size_t _Ns>
-struct is_nothrow_destructible<_Tp[_Ns]> : public is_nothrow_destructible<_Tp> {};
+struct is_nothrow_destructible<_Tp[_Ns]> : is_nothrow_destructible<_Tp> {};
 
 template <class _Tp>
-struct is_nothrow_destructible<_Tp&> : public true_type {};
+struct is_nothrow_destructible<_Tp&> : true_type {};
 
 template <class _Tp>
-struct is_nothrow_destructible<_Tp&&> : public true_type {};
+struct is_nothrow_destructible<_Tp&&> : true_type {};
 
 #endif // __has_builtin(__is_nothrow_destructible)
 
diff --git a/libcxx/include/__type_traits/is_pod.h b/libcxx/include/__type_traits/is_pod.h
index bc948c61a469d..8b805e946ae81 10064...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/135088


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