From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D0F2C001B0 for ; Mon, 3 Jul 2023 11:58:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231501AbjGCL6Z (ORCPT ); Mon, 3 Jul 2023 07:58:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229921AbjGCL6X (ORCPT ); Mon, 3 Jul 2023 07:58:23 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 56573E62 for ; Mon, 3 Jul 2023 04:58:20 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id 3f1490d57ef6-c38a4d22b39so4926107276.0 for ; Mon, 03 Jul 2023 04:58:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1688385499; x=1690977499; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=waeGDoVgGDH94No5qzti6s6z1JdLzgejSmKbt77NSm4=; b=n4DSn/SR8jW6zJisAJudqF9kgG9Pqv7i8vnxTpRtFOtxvSaZj15fVx+EtgG1vTFbGd UbJ/ehSb1pcQwECTOdfVFUhtgAaIdXN2JvtJ6/S9iP7uOHqxWF/Hl7MtVTDRxTHkmMBz JN1h8sHm/n0fP3d6khiTMAY3w5DF1C6pG2fIFb0/hXValDWqJB+ZuZu80gddy/gJqIBN zcXZ9hQytHsS4UAmWXkKlYYZYmZyMHBpRjAC/xF9w5Jj379G5gl651yTSdjiSPuu5XZX r4tCuWozs8XfHLNvcBcT30GwP5F025LxGCo3YuFm6r4/azx/r/rbdQG9OIfG0FgxDLx4 EKGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688385499; x=1690977499; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=waeGDoVgGDH94No5qzti6s6z1JdLzgejSmKbt77NSm4=; b=Kc9SqhVeMFj1xqCHk4MgXvBpWvo1kCX4w5888o/3nE3bK/4tocmUZad6KNR1BS3gy+ yTanOlSJKgo0rTfSVvfrPdke+HoWF8IyguqhnKx6vNUDwi1KvRkhx43aiXa5m19KhG8F IlJlgw5JErYVuoAF6PMyZnHPS8bujklleVtmA7IXwiNZevgVTcDJdNazIQt9tmF6bx44 ea9xjals4s8GrgY7AarZHQkon/IeLNjOfHNHant9JUnayAb1e+sx+khw0jD3TRQL647L nCKT/IHiHRAMxKGVeV01z/vdz9DmTwTG8smKS33YosVukA7tMneTfCwbBZf6n6hn3vlv 36Xg== X-Gm-Message-State: ABy/qLYT56T6ZuKpkyUHQbw8JnxMdGIfD7lYJ+kL+xHk2m0SjbOsbYFZ aOp/b3p0z+dAyXkW+NjDcW2H5dr3uGB+Kfo= X-Google-Smtp-Source: APBJJlHCsEa6ZqPl05Kk8kCJRBjFUQKdWC53i0Nx85xGnPc/NmX5y0re3ZTmg8qKPxbtdgNrcbil/bu/BsKvBU8= X-Received: from aliceryhl.c.googlers.com ([fda3:e722:ac3:cc00:31:98fb:c0a8:6c8]) (user=aliceryhl job=sendgmr) by 2002:a05:6902:4eb:b0:c10:e586:4c7f with SMTP id w11-20020a05690204eb00b00c10e5864c7fmr76067ybs.12.1688385499497; Mon, 03 Jul 2023 04:58:19 -0700 (PDT) Date: Mon, 3 Jul 2023 11:58:14 +0000 In-Reply-To: <20230624092330.157338-5-benno.lossin@proton.me> Mime-Version: 1.0 References: <20230624092330.157338-5-benno.lossin@proton.me> X-Mailer: git-send-email 2.41.0.255.g8b1d071c50-goog Message-ID: <20230703115814.2294010-1-aliceryhl@google.com> Subject: [PATCH 5/7] rust: init: add `..Zeroable::zeroed()` syntax for zeroing all missing fields From: Alice Ryhl To: benno.lossin@proton.me Cc: alex.gaynor@gmail.com, aliceryhl@google.com, bjorn3_gh@protonmail.com, boqun.feng@gmail.com, gary@garyguo.net, lina@asahilina.net, linux-kernel@vger.kernel.org, nmi@metaspace.dk, ojeda@kernel.org, patches@lists.linux.dev, rust-for-linux@vger.kernel.org, wedsonaf@gmail.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Benno Lossin writes: > Add the struct update syntax to the init macros, but only for > `..Zeroable::zeroed()`. Adding this at the end of the struct initializer > allows one to omit fields from the initializer, these fields will be > initialized with 0x00 set to every byte. Only types that implement the > `Zeroable` trait can utilize this. > > Suggested-by: Asahi Lina > Signed-off-by: Benno Lossin I'm a bit surprised by how large this change is, but it looks ok. Reviewed-by: Alice Ryhl