Received: by 2002:a05:6358:3188:b0:123:57c1:9b43 with SMTP id q8csp1170505rwd; Wed, 31 May 2023 10:17:10 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ52j4209z54QcMJhxz1OKayew0A8zy3uRVNwRtONtvDkKmeR4yxkkGw16JAs6d42bYKA21l X-Received: by 2002:a17:903:1ca:b0:1b0:42ac:74e0 with SMTP id e10-20020a17090301ca00b001b042ac74e0mr5291342plh.11.1685553430605; Wed, 31 May 2023 10:17:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1685553430; cv=none; d=google.com; s=arc-20160816; b=IB76othCAfsEmruRfNpQDODHcUZQZjV2e3bmaRkEUwdgwteuxvw11wczpw96cmG3CY LqU6CQB7I44IAG26nCybE1sBLWuMo9fPXJ5OUj+1mlKffNFTMcm7hL3T5FT31NoVw3fG x5AUn9Zp8zW5zE8063WZ98DdsAtrf1SKGvY+DFN8Q4QDcVbn5wQr1j1RiISR7JOmRovg vYk1d/oSfOfXOuhnJqdpmJZgGsdMhoWoYNmmqZfT0RkSUjO2mM0Qz77kKYwhoay1yKXr u2sWjT8mbJThdD+hnwvurrubXoAwb4PzSZ1xIxlWKFovt+Z61f0qcK6ZerzuMrOeXG6d NQhA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:cc:to:subject :message-id:date:from:in-reply-to:references:mime-version :dkim-signature; bh=UqDH4yuf9riVSA5V9W66V8AzL16NatN+7DvngwJVYHQ=; b=jEs+4Vb7+2cIxr3BRBwabfX9Dvc2HmkUQhmfSSs2xcwD8dHmHvZgYiqxZUg5Sw0r6i P1av0kmGykA9WXXDsAbSQwM4LwkOvCdb1MhNSGyaSKJC2kA8WaiWWeIoHU6qRxSDt+9a w0Zh/Gd0oRkDToNXHFNITI2/hm2VOwSSkdG5M2s/knAs7VxBSlkNviTSclP6xASGi2d9 7OPiUYcUrxuAs9oSvgWnqQ9CKFOXDqmsTxfVH5F7qqhEWW0G+EIipt7k17OteJALViVR oNcHlmA+il6RDvqjMEp0c/7lytd9cGY3sVfXvDVydWs2yVufcsQMlzdDVE87xOmlzCqB e4vg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=caLGCJsL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id jf20-20020a170903269400b001ab2a0e3163si1116819plb.598.2023.05.31.10.16.55; Wed, 31 May 2023 10:17:10 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=caLGCJsL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229502AbjEaRJd (ORCPT + 99 others); Wed, 31 May 2023 13:09:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230158AbjEaRJ2 (ORCPT ); Wed, 31 May 2023 13:09:28 -0400 Received: from mail-yw1-x112a.google.com (mail-yw1-x112a.google.com [IPv6:2607:f8b0:4864:20::112a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 54AB213D; Wed, 31 May 2023 10:09:25 -0700 (PDT) Received: by mail-yw1-x112a.google.com with SMTP id 00721157ae682-565aa2cc428so51898337b3.1; Wed, 31 May 2023 10:09:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1685552964; x=1688144964; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=UqDH4yuf9riVSA5V9W66V8AzL16NatN+7DvngwJVYHQ=; b=caLGCJsLWoGXEsdVIpGLUQt+zeJNOVI+LboWHPMIqBJWAnIgJ+242auCr4nUiBn5Mk hBnHQEitvKnQqFL7tBD57Xzc92LoREi2W2dR4C9s13QGZFqO520W4FweLarNlIDsUoTM p2zOOCZowyHijyUm0/VLa6QGp6JAMH8wfdoEKVdVVNMj42qxckZh/zr1oNhzYTXBn5cd 67OcyM5lpazmLs8sZawR0AQvVA2c+LPakLZ3RlpDosOT9Y1dNwB2rm4dI/2sxnRirlSX MY5FdLAsdIEzXF38+2el4+6sXBSAQtN4Ojvd6vUtxr54YVSybND6VdspTprwDnNqvIqq wZ3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685552964; x=1688144964; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=UqDH4yuf9riVSA5V9W66V8AzL16NatN+7DvngwJVYHQ=; b=ChtSxDu5hq48t9ruSB2/EgbNFGMteoHoiweVO1QRvtMybNvoc1Dy2l5Gwl1B8GE+QN STvGYP6ebMKWOw+r+GUvo0NR5WgqTWSefY80LNBBpkDcMmj+sHq+Qnjg/lF2BdaSSkb4 xlEkZYWgrsSSRYAeiL3gY7QGRiW05ikSYKzARnV36IwwF2Mukl+cGt9ngXzQfG4ZNqGT NwjM2Y8nK9GePNI0v6g6DSi5OOGl6RbDzoJ3rNS4hWB/4lSLfNfm8HE2MwnPJIiw75jr Uu1OikCr44j8Vba+OLnNNCJu1M1FilyfiGqV0ibv7if69m1E7rKr3UyZIc0LEdUYivjw DbfQ== X-Gm-Message-State: AC+VfDxG0kF9Rdq6Bok8eyLHKC0LlkqhkT3RuvlMf4SoAlASqa2p9ora N9in12MIcS8/Rvl6PV8CihT8j6R24j/oyCnARtQ= X-Received: by 2002:a25:f80e:0:b0:bac:f582:eefd with SMTP id u14-20020a25f80e000000b00bacf582eefdmr6912007ybd.35.1685552964512; Wed, 31 May 2023 10:09:24 -0700 (PDT) MIME-Version: 1.0 References: <20230502124015.356001-1-aliceryhl@google.com> In-Reply-To: <20230502124015.356001-1-aliceryhl@google.com> From: Miguel Ojeda Date: Wed, 31 May 2023 19:09:13 +0200 Message-ID: Subject: Re: [PATCH] rust: error: allow specifying error type on `Result` To: Alice Ryhl Cc: Miguel Ojeda , Wedson Almeida Filho , Alex Gaynor , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, patches@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,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 lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 2, 2023 at 2:40=E2=80=AFPM Alice Ryhl wr= ote: > > Currently, if the `kernel::error::Result` type is in scope (which is > often is, since it's in the kernel's prelude), you cannot write > `Result` when you want to use a different error > type than `kernel::error::Error`. > > To solve this we change the error type from being hard-coded to just > being a default generic parameter. This still lets you write `Result` > when you just want to use the `Error` error type, but also lets you > write `Result` when necessary. > > Signed-off-by: Alice Ryhl Applied to `rust-next` -- thanks everyone! Cheers, Miguel