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{ "id": 24447, "url": "https://patchwork.libcamera.org/api/1.1/patches/24447/?format=api", "web_url": "https://patchwork.libcamera.org/patch/24447/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20250924124713.3361707-2-barnabas.pocze@ideasonboard.com>", "date": "2025-09-24T12:47:06", "name": "[RFC,v1,1/7] libcamera: base: bound_method: Strip qualifiers in argument pack", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "37f9f584c403afac08de3c7d9f5ef5cd5138511a", "submitter": { "id": 216, "url": "https://patchwork.libcamera.org/api/1.1/people/216/?format=api", "name": "Barnabás Pőcze", "email": "barnabas.pocze@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/24447/mbox/", "series": [ { "id": 5457, "url": "https://patchwork.libcamera.org/api/1.1/series/5457/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5457", "date": "2025-09-24T12:47:05", "name": "libcamera: camera: Add `applyControls()`", "version": 1, "mbox": "https://patchwork.libcamera.org/series/5457/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/24447/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/24447/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id BAE78C32A9\n\tfor <parsemail@patchwork.libcamera.org>;\n\tWed, 24 Sep 2025 12:47:30 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id C7D366B601;\n\tWed, 24 Sep 2025 14:47:23 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id CEE756B58E\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tWed, 24 Sep 2025 14:47:16 +0200 (CEST)", "from pb-laptop.local (185.221.140.70.nat.pool.zt.hu\n\t[185.221.140.70])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id AFE51EAE;\n\tWed, 24 Sep 2025 14:45:52 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"pMAjPYo/\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1758717952;\n\tbh=0iPQLkJdCZwQYnyoJnp+NllikG/FJHULtR/rQoKRazE=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=pMAjPYo//04nT2uE1tQrElrDYzdHUHSRhR7/OyL+M0RiNKKHBgvSkWWTKSTItS+/k\n\tgKn0GbNRP3i1yAujsjk40SrucuGvVEqZSNo84ZRqQZMS9SujsiUHPf9PUr0NOtmlHy\n\tBJVUUPH+9NWzDDIcDE//UUv0RxvVCSgFKYDclin4=", "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <barnabas.pocze@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org,\n\tKieran Bingham <kieran.bingham@ideasonboard.com>", "Subject": "[RFC PATCH v1 1/7] libcamera: base: bound_method: Strip qualifiers\n\tin argument pack", "Date": "Wed, 24 Sep 2025 14:47:06 +0200", "Message-ID": "<20250924124713.3361707-2-barnabas.pocze@ideasonboard.com>", "X-Mailer": "git-send-email 2.51.0", "In-Reply-To": "<20250924124713.3361707-1-barnabas.pocze@ideasonboard.com>", "References": "<20250924124713.3361707-1-barnabas.pocze@ideasonboard.com>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Having extra qualifiers, especially `const`, simply inhibits optimization\nopportunities as it prevents e.g. moving values out of pack object. So\nstrip the qualifiers.\n\nSigned-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>\n---\n include/libcamera/base/bound_method.h | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/include/libcamera/base/bound_method.h b/include/libcamera/base/bound_method.h\nindex 91fe8b8cb..cb642e0a9 100644\n--- a/include/libcamera/base/bound_method.h\n+++ b/include/libcamera/base/bound_method.h\n@@ -39,7 +39,7 @@ public:\n \t{\n \t}\n \n-\tstd::tuple<typename std::remove_reference_t<Args>...> args_;\n+\tstd::tuple<std::remove_cv_t<std::remove_reference_t<Args>>...> args_;\n \tR ret_;\n };\n \n@@ -53,7 +53,7 @@ public:\n \t{\n \t}\n \n-\tstd::tuple<typename std::remove_reference_t<Args>...> args_;\n+\tstd::tuple<std::remove_cv_t<std::remove_reference_t<Args>>...> args_;\n };\n \n class BoundMethodBase\n", "prefixes": [ "RFC", "v1", "1/7" ] }