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* [PATCH] libstdc++: use __is_enum built-in trait
@ 2023-07-03  1:17 Ken Matsui
  2023-07-08  4:50 ` [PATCH v2] " Ken Matsui
  0 siblings, 1 reply; 3+ messages in thread
From: Ken Matsui @ 2023-07-03  1:17 UTC (permalink / raw)
  To: gcc-patches; +Cc: libstdc++, Ken Matsui

This patch replaces is_enum<T>::value with __is_enum built-in trait in
the type_traits header.

libstdc++-v3/ChangeLog:

	* include/std/type_traits (__make_unsigned_selector): Use
	__is_enum built-in trait.
	(__make_signed_selector): Likewise.
	(__underlying_type_impl): Likewise.

Signed-off-by: Ken Matsui <kmatsui@cs.washington.edu>
---
 libstdc++-v3/include/std/type_traits | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits
index 0e7a9c9c7f3..9f086992ebc 100644
--- a/libstdc++-v3/include/std/type_traits
+++ b/libstdc++-v3/include/std/type_traits
@@ -1740,7 +1740,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Select between integral and enum: not possible to be both.
   template<typename _Tp,
 	   bool _IsInt = is_integral<_Tp>::value,
-	   bool _IsEnum = is_enum<_Tp>::value>
+	   bool _IsEnum = __is_enum(_Tp)>
     class __make_unsigned_selector;
 
   template<typename _Tp>
@@ -1900,7 +1900,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   // Select between integral and enum: not possible to be both.
   template<typename _Tp,
 	   bool _IsInt = is_integral<_Tp>::value,
-	   bool _IsEnum = is_enum<_Tp>::value>
+	   bool _IsEnum = __is_enum(_Tp)>
     class __make_signed_selector;
 
   template<typename _Tp>
@@ -2353,7 +2353,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     struct __common_type_fold<_CTp, _Rp, void>
     { };
 
-  template<typename _Tp, bool = is_enum<_Tp>::value>
+  template<typename _Tp, bool = __is_enum(_Tp)>
     struct __underlying_type_impl
     {
       using type = __underlying_type(_Tp);
-- 
2.41.0


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-07-12  9:52 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2023-07-03  1:17 [PATCH] libstdc++: use __is_enum built-in trait Ken Matsui
2023-07-08  4:50 ` [PATCH v2] " Ken Matsui
2023-07-12  9:51   ` Jonathan Wakely

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