// SPDX-License-Identifier: GPL-2.0 //! Rust printing macros sample. use kernel::pr_cont;use kernel::prelude::*; module! {    type: RustPrint,    name: "rust_print",    author: "Rust for Linux Contributors",    description: "Rust printing macros sample",    license: "GPL",} struct RustPrint; impl kernel::Module for RustPrint {    fn init(_module: &'static ThisModule) -> Result<Self> {        pr_info!("Rust printing macros sample (init)\n");         pr_emerg!("Emergency message (level 0) without args\n");        pr_alert!("Alert message (level 1) without args\n");        pr_crit!("Critical message (level 2) without args\n");        pr_err!("Error message (level 3) without args\n");        pr_warn!("Warning message (level 4) without args\n");        pr_notice!("Notice message (level 5) without args\n");        pr_info!("Info message (level 6) without args\n");         pr_info!("A line that");        pr_cont!(" is continued");        pr_cont!(" without args\n");         pr_emerg!("{} message (level {}) with args\n", "Emergency", 0);        pr_alert!("{} message (level {}) with args\n", "Alert", 1);        pr_crit!("{} message (level {}) with args\n", "Critical", 2);        pr_err!("{} message (level {}) with args\n", "Error", 3);        pr_warn!("{} message (level {}) with args\n", "Warning", 4);        pr_notice!("{} message (level {}) with args\n", "Notice", 5);        pr_info!("{} message (level {}) with args\n", "Info", 6);         pr_info!("A {} that", "line");        pr_cont!(" is {}", "continued");        pr_cont!(" with {}\n", "args");         Ok(RustPrint)    }} impl Drop for RustPrint {    fn drop(&mut self) {        pr_info!("Rust printing macros sample (exit)\n");    }}