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 60171C61DA4 for ; Sat, 4 Feb 2023 19:05:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233517AbjBDTFL (ORCPT ); Sat, 4 Feb 2023 14:05:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230379AbjBDTFL (ORCPT ); Sat, 4 Feb 2023 14:05:11 -0500 Received: from mail-ej1-x635.google.com (mail-ej1-x635.google.com [IPv6:2a00:1450:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 18D582684B; Sat, 4 Feb 2023 11:05:07 -0800 (PST) Received: by mail-ej1-x635.google.com with SMTP id bk15so23824879ejb.9; Sat, 04 Feb 2023 11:05:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:references:to:from:subject:cc:message-id:date :content-transfer-encoding:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=J+DlghB0YJ67hLvTX4yJkS05i+iy4cNCXn01Nrycq50=; b=bL7y+r2ajCGekbQLvKC28XGrbQg17hQDcLXQy5DdbojFYQbaerQQE45ROpxPh75jvo 4guka4GB0+M/RoZx5aj8eKMxnZVkJ4shlj14FEp76kDjNkyFsdbRiEK2wIkFu6GwJskg +ZoKC5tFlDlo6+P0MgFOopwBBLXlwA1qpo1E1eblxdO4NAVvEYgQjIvMqIb0RO1mA47a TAP0CgR3Bih86Pwhh/UzSutDQVO080J5Wb1c7d8OilYt+XmRxR8zCGBl+YQ340fyspkI zWb5+4LnPr9T0G0qHveSzjN/GQDLmsmc/fCx+lJWqI6TIWSqrwqJbo9dOOCjMNxVUvjQ lL2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:references:to:from:subject:cc:message-id:date :content-transfer-encoding:mime-version:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=J+DlghB0YJ67hLvTX4yJkS05i+iy4cNCXn01Nrycq50=; b=EwzTuO0i3cuE4rNn+zdblcX8jBtet/n8NRlZaQW2VjBD3fWaXJj0ajyhJwelupNy7b XPUZsGeI2Fg1cBU0z1dm0A+m9PiOHssoJBhC9/vnkzDNuYS3owkuo6oeb4eBKtZzVBag /4Cp10TCiFLuG5ki6AAkfltHVXn0T5GkYmmxu70AeKoFaSI1+GqhpClqeWH0it0Zj6mC CNfn9laQ8iMxzCdWe6QiKcEPSTnhLF1vshrs0QHKnGNi3o9fHqMitF6mNRnMCv6DyDXE Zc0pvcUDMefoIQiAKMTowZ9RoEFvLSVSzTC5VrBzsoPfENGLeq1LGzDnxChr2EnUaxpU D/Gw== X-Gm-Message-State: AO0yUKVacImp8Q1SUJH8Mk4n+nt+AmAY7ArDExhf7V2Kjvm6FYUhw+R0 AC+q6wbDf9ZI9Q38DVCVnZJOgIXQG28xHBpnsR0= X-Google-Smtp-Source: AK7set/s5kLN3P1WUlmaq35ShIUiV6+IMJV6AOxXhLgmHMO9GPyka+8Brx95YbvJPmuGwYtYvzh0vA== X-Received: by 2002:a17:906:53d5:b0:88c:8c2e:af17 with SMTP id p21-20020a17090653d500b0088c8c2eaf17mr13000055ejo.2.1675537505570; Sat, 04 Feb 2023 11:05:05 -0800 (PST) Received: from localhost ([2001:b07:5d37:537d:8c1:b772:7521:b7bd]) by smtp.gmail.com with ESMTPSA id f25-20020a170906391900b0084d4b8f5889sm3170969eje.102.2023.02.04.11.05.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 04 Feb 2023 11:05:04 -0800 (PST) Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Sat, 04 Feb 2023 20:05:03 +0100 Message-Id: Cc: "Will Deacon" , "Peter Zijlstra" , "Mark Rutland" , "Miguel Ojeda" , "Alex Gaynor" , "Wedson Almeida Filho" , "Gary Guo" , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= Subject: Re: [RFC 5/5] sample: rust: print: Add sampe code for Arc printing From: "Vincenzo Palazzo" To: "Boqun Feng" , , X-Mailer: aerc 0.14.0-38-gb2afc8117fb7 References: <20230201232244.212908-1-boqun.feng@gmail.com> <20230201232244.212908-6-boqun.feng@gmail.com> In-Reply-To: <20230201232244.212908-6-boqun.feng@gmail.com> Precedence: bulk List-ID: X-Mailing-List: rust-for-linux@vger.kernel.org On Thu Feb 2, 2023 at 12:22 AM CET, Boqun Feng wrote: > This both demonstrates the usage of different print format in Rust and > serves as a selftest for the `Display` and `Debug` implementation of > `Arc` and its friends. > > Signed-off-by: Boqun Feng > --- Reviwed-by: Vincenzo Palazzo > samples/rust/rust_print.rs | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/samples/rust/rust_print.rs b/samples/rust/rust_print.rs > index 8b39d9cef6d1..165a8d7b1c07 100644 > --- a/samples/rust/rust_print.rs > +++ b/samples/rust/rust_print.rs > @@ -15,6 +15,30 @@ module! { > =20 > struct RustPrint; > =20 > +fn arc_print() -> Result { > + use kernel::sync::*; > + > + let a =3D Arc::try_new(1)?; > + let b =3D UniqueArc::try_new("hello, world")?; > + > + // Prints the value of data in `a`. > + pr_info!("{}", a); > + > + // Uses ":?" to print debug fmt of `b`. > + pr_info!("{:?}", b); > + > + let a: Arc<&str> =3D b.into(); > + let c =3D a.clone(); > + > + // Uses `dbg` to print, will move `c`. > + dbg!(c); > + > + // Prints debug fmt with pretty-print "#" and number-in-hex "x". > + pr_info!("{:#x?}", a); > + > + Ok(()) > +} > + > impl kernel::Module for RustPrint { > fn init(_module: &'static ThisModule) -> Result { > pr_info!("Rust printing macros sample (init)\n"); > @@ -43,6 +67,8 @@ impl kernel::Module for RustPrint { > pr_cont!(" is {}", "continued"); > pr_cont!(" with {}\n", "args"); > =20 > + arc_print()?; > + > Ok(RustPrint) > } > } > --=20 > 2.39.1