use dmacro::*;fnmain(){enter!();println!("Hello, world!");trace!();trace!("church11");trace!("church21", "church22",);trace!("church31", "church32", "church33");trace!("church31", "church32", "church33", 1024);let y = 2023;let m = 9;let d = 28;trace!(format!("{:04}-{:02}-{:02}", y, m, d));trace!(format!("{y:04}-{m:02}-{d:02}"));trace!(format!("{y:04}-{m:02}-{d:02}"), "enter");trace!(format!("{y:04}-{m:02}-{d:02}"), "leave");leave!();}