From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from omta036.useast.a.cloudfilter.net (omta036.useast.a.cloudfilter.net [44.202.169.35]) by sourceware.org (Postfix) with ESMTPS id 6363C3858C50 for ; Tue, 21 Nov 2023 15:28:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 6363C3858C50 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=tromey.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 6363C3858C50 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=44.202.169.35 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700580496; cv=none; b=vFdxmMS3r6Zdw0SumAnNxXKufAzFgoQRuAsV8qc1G0VOqG9Cu5CTpnmfpYAGkUQUpylJ5dgRN48HuvEyj8z9c6fPvVPDt4/FQLlk04sd1aIPXV+dtEM2SKm74Rwhpxplz9FLdzfGSig2FKAyF+ITFmPj1s5CPDfNv6xR9nq2xRc= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1700580496; c=relaxed/simple; bh=ZQ6qVUPZ1OuWek4iHIFbWxDTL58aQmq3VLkdlcaHfaI=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=OS0Mj+tQrAXfskzjBRwkjuSMBdGdH3e9MQYXYA7CJYNqs+IK65XSeKEl+yHtS8UJar4UwAb86hW37yIBDG2CvIiQQGsPjFfb1cmT6+4uMNDhsv5carP7owK2Llyba9njmLwcvNFal975Mg6KytIvuiXmSQf0gKuIqbyjjqNmiAo= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from eig-obgw-6008a.ext.cloudfilter.net ([10.0.30.227]) by cmsmtp with ESMTPS id 5BpdrKOdigpyE5SffrMHhw; Tue, 21 Nov 2023 15:28:15 +0000 Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTPS id 5SfdrdkPr0xkr5SferQVjb; Tue, 21 Nov 2023 15:28:14 +0000 X-Authority-Analysis: v=2.4 cv=N7U6qkxB c=1 sm=1 tr=0 ts=655ccc8e a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=OWjo9vPv0XrRhIrVQ50Ab3nP57M=:19 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=BNY50KLci1gA:10 a=Qbun_eYptAEA:10 a=T_Alst9gAAAA:8 a=2QSLavsyAAAA:8 a=b4LDLZbEAAAA:8 a=y3UJ3sWEwogrn46Y7Q8A:9 a=DvZ5ixILWSEuw56YIEpp:22 a=9H_80fVQ3bbXSWzY4Kdq:22 a=20T61YgZp4ItGotXEy2O:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Transfer-Encoding:MIME-Version:Reply-To:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Content-Type:Content-ID :Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To: Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe :List-Post:List-Owner:List-Archive; bh=BISbGsEIHLSIXiPL9scQS/JzPUlpacmmVV+APEJZs4o=; b=ErQpPp9/pTYYYzjt3ql7nS9b/v g7crsKXZnhxab+UbKd6HroUj0On1VlT/M91pcx5OjIaNzU3wHsZa5sAeiLnMkWxxJ82iowxuovGPv EgVcDXj88vqjl1uE1DSmB/UB2; Received: from 97-122-77-73.hlrn.qwest.net ([97.122.77.73]:36894 helo=localhost.localdomain) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96.2) (envelope-from ) id 1r5Sfd-004BpE-1f; Tue, 21 Nov 2023 08:28:13 -0700 From: Tom Tromey To: gdb-patches@sourceware.org Cc: Tom Tromey , Pedro Alves Subject: [PATCH v2 7/8] Use C++17 void_t Date: Tue, 21 Nov 2023 08:27:34 -0700 Message-ID: <20231121152817.31859-8-tom@tromey.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231121152817.31859-1-tom@tromey.com> References: <20231121152817.31859-1-tom@tromey.com> Reply-To: [PATCH v2 0/8] More C++17 conversions MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 97.122.77.73 X-Source-L: No X-Exim-ID: 1r5Sfd-004BpE-1f X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 97-122-77-73.hlrn.qwest.net (localhost.localdomain) [97.122.77.73]:36894 X-Source-Auth: tom+tromey.com X-Email-Count: 17 X-Org: HG=bhshared;ORG=bluehost; X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-CMAE-Envelope: MS4xfJPajVre2dFLYXDtDF1TJTopGNEryWAdtCI9obya8bud568QIGIYS1Wn1fxOxzWFI10aXGvcV7f3edA7su4i7S3Kkmj+qqSi0/g9U8FQZfuobGzJMDPV 4EPcEBrZVcsJ0db+WenBrkcFYqCe2QLPwqjziRxmRgpD9aGSdwjt4McvHmgTC0ZLBhlX368iq2g9wJiEs3EvL61BeYS2HSaKtsA= X-Spam-Status: No, score=-3024.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,GIT_PATCH_0,JMQ_SPF_NEUTRAL,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,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: C++17 has void_t and make_void, so gdbsupport/traits.h can be simplified. Approved-By: Pedro Alves --- gdbsupport/traits.h | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/gdbsupport/traits.h b/gdbsupport/traits.h index f6bb64911be..277e117bead 100644 --- a/gdbsupport/traits.h +++ b/gdbsupport/traits.h @@ -43,15 +43,6 @@ namespace gdb { -/* Pre C++14-safe (CWG 1558) version of C++17's std::void_t. See - . */ - -template -struct make_void { typedef void type; }; - -template -using void_t = typename make_void::type; - /* Implementation of the detection idiom: - http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4502.pdf @@ -79,7 +70,7 @@ struct detector /* Implementation of the detection idiom (positive case). */ template class Op, typename... Args> -struct detector>, Op, Args...> +struct detector>, Op, Args...> { using value_t = std::true_type; using type = Op; -- 2.41.0