From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7934) id D86053858417; Sat, 8 Jul 2023 05:07:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D86053858417 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1688792855; bh=66eZ+UarzGUyVW/HoGsEc66WIqqeLew5gZlUGX3Ea0c=; h=From:To:Subject:Date:From; b=A44O6l3qghYkHXwe1WntFJWpTJuzkv2J3VYO3NsL1DNUB++NE0DazbLWRI5hyCBJp 1TSvjxH1/0yOHW7VvRpqnfruEz86r3Ov6tNnuliT7kciyiaOvqoTbGa0Vpgs3Z4ATP bNzUvlvdEVZJ7bcjw7BnEDZPebEjeFDHK9/nDOSM= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Ken Matsui To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc(refs/users/kmatsui/heads/is_object)] libstdc++: use new built-in trait __is_function for std::is_function X-Act-Checkin: gcc X-Git-Author: Ken Matsui X-Git-Refname: refs/users/kmatsui/heads/is_object X-Git-Oldrev: ff870772d09b05295b5a5973050a99281705aa6e X-Git-Newrev: 2c8a4c1dc1dbac44086076aba137a69fd15e2838 Message-Id: <20230708050735.D86053858417@sourceware.org> Date: Sat, 8 Jul 2023 05:07:35 +0000 (GMT) List-Id: https://gcc.gnu.org/g:2c8a4c1dc1dbac44086076aba137a69fd15e2838 commit 2c8a4c1dc1dbac44086076aba137a69fd15e2838 Author: Ken Matsui Date: Sat Jun 10 21:01:39 2023 -0700 libstdc++: use new built-in trait __is_function for std::is_function This patch gets std::is_function to dispatch to new built-in trait __is_function. libstdc++-v3/ChangeLog: * include/std/type_traits (is_function): Use __is_function built-in trait. (is_function_v): Likewise. Signed-off-by: Ken Matsui Diff: --- libstdc++-v3/include/std/type_traits | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 2a14df7e5f9..954b57518de 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -594,6 +594,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { }; /// is_function +#if __has_builtin(__is_function) + template + struct is_function + : public __bool_constant<__is_function(_Tp)> + { }; +#else template struct is_function : public __bool_constant::value> { }; @@ -605,6 +611,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template struct is_function<_Tp&&> : public false_type { }; +#endif #define __cpp_lib_is_null_pointer 201309L @@ -3197,8 +3204,14 @@ template inline constexpr bool is_union_v = __is_union(_Tp); template inline constexpr bool is_class_v = __is_class(_Tp); + +#if __has_builtin(__is_function) +template + inline constexpr bool is_function_v = __is_function(_Tp); +#else template inline constexpr bool is_function_v = is_function<_Tp>::value; +#endif #if __has_builtin(__is_reference) template