From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00641c01.pphosted.com (mx0a-00641c01.pphosted.com [205.220.165.146]) by sourceware.org (Postfix) with ESMTPS id 43FE7385DC14; Sat, 8 Jul 2023 05:14:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 43FE7385DC14 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=gcc.gnu.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=gcc.gnu.org Received: from pps.filterd (m0247473.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3685DG1i016430; Sat, 8 Jul 2023 05:14:42 GMT Received: from mxout24.cac.washington.edu (mxout24.cac.washington.edu [140.142.234.158]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3rpyu3g8gu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 08 Jul 2023 05:14:42 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout24.cac.washington.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 3685EB8i005111 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 7 Jul 2023 22:14:12 -0700 X-Auth-Received: from localhost.localdomain ([10.154.74.234]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 3685Bg4i004530 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 7 Jul 2023 22:14:11 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu From: Ken Matsui To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui Subject: [PATCH v8 4/6] libstdc++: use new built-in trait __is_function for std::is_function Date: Fri, 7 Jul 2023 22:08:11 -0700 Message-ID: <20230708051137.63707-5-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230708051137.63707-1-kmatsui@gcc.gnu.org> References: <20230708051137.63707-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: XSnljoEjklrMYvBGzdJ7u3ml0mXBjQi2 X-Proofpoint-ORIG-GUID: XSnljoEjklrMYvBGzdJ7u3ml0mXBjQi2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-08_02,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1034 priorityscore=1501 spamscore=0 mlxscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=764 malwarescore=0 adultscore=0 impostorscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307080045 X-Spam-Status: No, score=-12.7 required=5.0 tests=BAYES_00,GIT_PATCH_0,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,SPF_NEUTRAL,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: 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 --- 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 -- 2.41.0